Best Sibling Names for Gwilym
Names chosen to complement Gwilym — matching origin (Wales), era, and style.
200 options100 girl107 boy
These sibling names share Gwilym's Wales roots or similar popularity era, and start with a different letter to avoid alliteration.
Owen
Gwilym & Owen
BoyWales
noble, young warrior; well born, noble
#20 →
dylan
Gwilym & dylan
BoyWales
From 'dy', meaning 'great', and 'llanw', meaning 'tide' or 'flow', thus 'great tide'.
#34 →
Evan
Gwilym & Evan
BoyWales
the Lord is gracious
#137 ↓
Brecon
Gwilym & Brecon
BoyWales
a steep place or hill
#503 →
Emryck
Gwilym & Emryck
BoyWales
ruler or king
#509 →
Talyr
Gwilym & Talyr
GirlWales
to be a plough or furrow
#533 →
Rhodri
Gwilym & Rhodri
BoyWales
put to flight
#553 →
Rhayna
Gwilym & Rhayna
GirlWales
Queen
#569 →
Morgann
Gwilym & Morgann
GirlWales
sea circle or bright sea
#608 →
Ieuan
Gwilym & Ieuan
BoyWales
gift from God
#650 →
Bethan
Gwilym & Bethan
GirlWales
House of God
#676 →
Rhiannah
Gwilym & Rhiannah
GirlWales
great queen, goddess
#696 →
Leri
Gwilym & Leri
BoyWales
The name Leri is believed to be derived from the Welsh word 'ler', meaning 'sea'.
#744 →
Brenin
Gwilym & Brenin
BoyWales
Prince.
#749 →
Rhion
Gwilym & Rhion
BoyWales
God's gift
#812 →
Catrin
Gwilym & Catrin
GirlWales
Welsh form of KATHERINE, as well as a German short form of KATHARINA.
#825 →
Ceridwen
Gwilym & Ceridwen
GirlWales
beautiful, poetry, or the great poetess
#833 →
Caitryn
Gwilym & Caitryn
GirlWales
pure
#853 →
Dyllyn
Gwilym & Dyllyn
BoyWales
One who is loyal
#925 →
Tregan
Gwilym & Tregan
BoyWales
one who is from the farm or homestead
#939 →
Luellen
Gwilym & Luellen
GirlWales
famous river or lake
#524 →
Rhionna
Gwilym & Rhionna
GirlWales
ruler
Blodwen
Gwilym & Blodwen
GirlWales
white flower
#563 →
Olwyn
Gwilym & Olwyn
GirlWales
White hoof
#615 →
Aeddon
Gwilym & Aeddon
BoyWales
Fiery on the battlefield
Calon
Gwilym & Calon
BoyWales
Heart
Cadell
Gwilym & Cadell
BoyWales
battle, spirit
Meghan
Gwilym & Meghan
GirlWales
Variant of MEGAN.
Dylanthomas
Gwilym & Dylanthomas
BoyWales
The son of the sea
Dilyn
Gwilym & Dilyn
UnisexWales
to follow
Kyeden
Gwilym & Kyeden
BoyWales
descendant of Caedain
Bevan
Gwilym & Bevan
BoyWales
son of the fair one
#709 →
Llyod
Gwilym & Llyod
BoyWales
gray, gray-haired
#713 →
Lloyed
Gwilym & Lloyed
BoyWales
Grey or gray-haired.
#736 →
Elgan
Gwilym & Elgan
BoyWales
Bright
#752 →
Ithel
Gwilym & Ithel
BoyWales
generous
#789 →
Rhianon
Gwilym & Rhianon
GirlWales
Great queen; divine goddess
#810 →
Lloyde
Gwilym & Lloyde
BoyWales
The name means 'grey' or 'gray-haired', often associated with intelligence and wisdom.
#822 →
Sarn
Gwilym & Sarn
BoyWales
Welsh
#834 →
Llenifer
Gwilym & Llenifer
GirlWales
Derived from 'Llan', meaning 'church or parish' and 'ifer', typically a feminine suffix.
Mostyn
Gwilym & Mostyn
BoyWales
From a Welsh place name which means "moss town" in Old English.
Betsi
Gwilym & Betsi
GirlWales
God is my oath; pledged to God
#851 →
Rhedyn
Gwilym & Rhedyn
GirlWales
radiant, bright
Rhowyn
Gwilym & Rhowyn
GirlWales
divine, good; a form of the name Rowan
Dolen
Gwilym & Dolen
BoyWales
a peace keeper
#917 →
Llesica
Gwilym & Llesica
GirlWales
From the grove
Elry
Gwilym & Elry
BoyWales
one who is noble or nobleman
#944 →
Llaneli
Gwilym & Llaneli
GirlWales
church or chapel on the river Lliw.
Rheannon
Gwilym & Rheannon
GirlWales
Divine queen
#1000 →
Aderyn
Gwilym & Aderyn
GirlWales
Means "bird" in Welsh. This is a modern Welsh name.
Siaan
Gwilym & Siaan
BoyWales
God is gracious
Merion
Gwilym & Merion
UnisexWales
Of the sea
Euri
Gwilym & Euri
UnisexWales
golden
Elideth
Gwilym & Elideth
GirlWales
God's Promise
Emrys
Gwilym & Emrys
UnisexWales
Immortal or 'the immortal one'.
Ceri
Gwilym & Ceri
GirlWales
to love
Rhiannon
Gwilym & Rhiannon
GirlWales
Probably derived from the old Celtic name Rigantona meaning "great queen". It is speculated that this was the name of an otherwise unattested Celtic goddess of fertility and the moon.
Olwen
Gwilym & Olwen
GirlWales
white footprint
Ery
Gwilym & Ery
BoyWales
derived from 'Eiry', meaning 'snow' or 'frost'
Eirian
Gwilym & Eirian
GirlWales
Beautiful, bright, or shining.
Dyllian
Gwilym & Dyllian
BoyWales
son of the sea
Dylanthas
Gwilym & Dylanthas
BoyWales
son of the sea
Tylun
Gwilym & Tylun
BoyWales
One who is gentle.
Bryndan
Gwilym & Bryndan
BoyWales
descendant of Brân
Iestyn
Gwilym & Iestyn
BoyWales
just, righteous
Tegan
Gwilym & Tegan
UnisexWales
beautiful, fair
Cledith
Gwilym & Cledith
UnisexWales
pure, clear
Rosser
Gwilym & Rosser
BoyWales
the son of the horseman
Owena
Gwilym & Owena
GirlWales
young warrior
Taff
Gwilym & Taff
BoyWales
a man of the sea
Derwyn
Gwilym & Derwyn
BoyWales
man from the oak tree
Lloyd
Gwilym & Lloyd
BoyWales
Grey; sacred
Enneth
Gwilym & Enneth
BoyWales
The name means 'steady' or 'firm'
Nellwyn
Gwilym & Nellwyn
GirlWales
bright
Dwen
Gwilym & Dwen
BoyWales
meaning 'descendant of Duane'
Rhondda
Gwilym & Rhondda
GirlWales
a valley
Trahern
Gwilym & Trahern
BoyWales
meaning 'three stones' or possibly 'the third'
Evans
Gwilym & Evans
BoyWales
Son of Evan
Merlin
Gwilym & Merlin
BoyWales
Form of the Welsh name Myrddin (meaning "sea fortress") used by Geoffrey of Monmouth in his 12th-century Arthurian tales.
Liam
Gwilym & Liam
BoyIrish
resolute protector
#1 →
Olivia
Gwilym & Olivia
Girl[English
This name was first used in this spelling by William Shakespeare for a character in his comedy 'Twelfth Night' (1602).
#1 →
Emma
Gwilym & Emma
GirlGermanic
Originally a short form of Germanic names that began with the element ermen meaning "whole" or "universal".
#2 →
Noah
Gwilym & Noah
BoyHebrew
movement
#2 →
Charlotte
Gwilym & Charlotte
GirlFrance
free man
#3 →
Oliver
Gwilym & Oliver
BoyUnited Kingdom
olive tree
#3 →
Amelia
Gwilym & Amelia
GirlGermanic
Variant of AMALIA, though it is sometimes confused with EMILIA, which has a different origin.
#4 →
Elijah
Gwilym & Elijah
Boy[English
From the Hebrew name אֱלִיָּהוּ ('Eliyyahu) meaning "my God is YAHWEH". Elijah was a Hebrew prophet and miracle worker, as told in the two Books of Kings in the Old Testament.
#5 →
Sophia
Gwilym & Sophia
GirlGreece
wisdom
#5 →
Mateo
Gwilym & Mateo
BoySpain
Gift of God
#6 →
Mia
Gwilym & Mia
Girl[Swedish
Scandinavian, Dutch and German diminutive of MARIA. It coincides with the Italian word mia meaning "mine".
#6 →
Isabella
Gwilym & Isabella
GirlItalian
God is my oath
#7 →
Theodore
Gwilym & Theodore
BoyGreece
Theodōros (Θεόδωρος), meaning 'gift of God'.
#7 ↑
Ava
Gwilym & Ava
GirlLatin
life; bird
#8 →
Evelyn
Gwilym & Evelyn
GirlEngland
wished for
#9 →
Lucas
Gwilym & Lucas
BoyLatin America
from Lucania
#9 →
Luna
Gwilym & Luna
Girl[Roman Mythology]
Means "the moon" in Latin. Luna was the Roman goddess of the moon, frequently depicted driving a white chariot through the sky.
#10 →
Benjamin
Gwilym & Benjamin
Boy[English
From the Hebrew name בִּנְיָמִין (Binyamin) which means "son of the south" or "son of the right hand".
#11 →
Harper
Gwilym & Harper
GirlEnglish
Harp player.
#11 →
Levi
Gwilym & Levi
BoyHebrew
meaning 'joined' or 'attached'.
#12 →
Sofia
Gwilym & Sofia
GirlGreece
Form of SOPHIA.
#12 →
Camila
Gwilym & Camila
GirlSpain
young ceremonial attendant
#13 →
Sebastian
Gwilym & Sebastian
BoyLatin
venerable
#13 →
Eleanor
Gwilym & Eleanor
GirlEngland
light-hearted
#14 →
Ezra
Gwilym & Ezra
BoyHebrew-speaking regions
Help, helper
#15 ↑
Violet
Gwilym & Violet
Girl[English]
From the English word violet for the purple flower, ultimately derived from Latin viola. It was common in Scotland from the 16th century, and it came into general use as an English given name during the 19th century.
#16 →
Daniel
Gwilym & Daniel
Boy[English
From the Hebrew name דָּנִיֵּאל (Daniyyel) meaning "God is my judge". Daniel was a Hebrew prophet whose story is told in the Book of Daniel in the Old Testament.
#17 →
Scarlett
Gwilym & Scarlett
GirlEngland
red; scarlet color
#17 →
Leo
Gwilym & Leo
Boy[German
Derived from Latin leo meaning "lion", a cognate of LEON. It was popular among early Christians and was the name of 13 popes, including Saint Leo the Great who asserted the dominance of the Roman bishops (the popes) over…
#18 ↑
Emily
Gwilym & Emily
GirlEnglish-speaking countries
rival
#19 →
Lily
Gwilym & Lily
GirlEngland
pure; innocent
#20 →
Hudson
Gwilym & Hudson
Boy[English]
From an English surname which meant "son of HUDDE". A famous bearer of the surname was the English explorer Henry Hudson (1570-1611).
#21 ↑
Aurora
Gwilym & Aurora
Girl[Italian
Means "dawn" in Latin. Aurora was the Roman goddess of the morning. It has occasionally been used as a given name since the Renaissance.
#22 →
Alexander
Gwilym & Alexander
BoyGreece
defender of the people
#22 →
Asher
Gwilym & Asher
BoyHebrew
Happy
#23 →
Penelope
Gwilym & Penelope
GirlGreek
Weaver
#23 →
Luca
Gwilym & Luca
BoyItalian
bringer of light; light
#24 ↑
Nora
Gwilym & Nora
GirlIreland
honor
#24 →
Aria
Gwilym & Aria
GirlItaly
Air, melody; a long song in an opera.
#25 →
Ethan
Gwilym & Ethan
BoyHebrew
strong, firm
#25 →
Chloe
Gwilym & Chloe
GirlGreece
blooming
#26 →
Ellie
Gwilym & Ellie
GirlEnglish
light
#27 →
Jackson
Gwilym & Jackson
Boy[English]
From an English surname meaning "son of JACK". A famous bearer of the surname was American president Andrew Jackson (1767-1845).
#28 →
Mila
Gwilym & Mila
GirlSlavic
Slavic
#28 →
Avery
Gwilym & Avery
GirlAmerican
Originally a surname meaning 'ruler of the elves'.
#29 →
Layla
Gwilym & Layla
GirlArabic
night
#30 →
Mason
Gwilym & Mason
BoyAmerican
(English: "stone worker")
#30 ↓
Abigail
Gwilym & Abigail
Girl[English
From the Hebrew name אֲבִיגָיִל ('Avigayil) meaning "my father is joy". In the Old Testament this is the name of Nabal's wife. After Nabal's death she became the third wife of King David.... [more]
#31 →
Luke
Gwilym & Luke
BoyGreece
English form of the Greek name Λουκας (Loukas) which meant "from Lucania", Lucania being a region in southern Italy (of uncertain meaning). Luke was a doctor who travelled in the company of the apostle Paul.
#31 →
Ella
Gwilym & Ella
GirlEnglish-speaking countries
fairy maiden
#32 →
Matthew
Gwilym & Matthew
Boy[English
English form of Ματθαιος (Matthaios), which was a Greek form of the Hebrew name מַתִּתְיָהוּ (Mattityahu) meaning "gift of YAHWEH". Matthew, also called Levi, was one of the twelve apostles.
#32 →
Isla
Gwilym & Isla
GirlEnglish-speaking countries
Island
#33 ↑
Julian
Gwilym & Julian
BoyLatin
youthful, downy
#33 →
Eliana
Gwilym & Eliana
GirlHebrew
My God has answered
#34 ↑
Jacob
Gwilym & Jacob
Boy[English
From the Latin Iacobus, which was from the Greek Ιακωβος (Iakobos), which was from the Hebrew name יַעֲקֹב (Ya'aqov).
#35 ↓
Nova
Gwilym & Nova
Girl[English]
Derived from Latin novus meaning "new". It was first used as a name in the 19th century.
#35 →
Elias
Gwilym & Elias
BoyGreece
Cognate of ELIJAH. This is the form used in the Greek New Testament.
#36 ↑
Zoe
Gwilym & Zoe
Girl[English
Means "life" in Greek. From early times it was adopted by Hellenized Jews as a translation of EVE. It was borne by two early Christian saints, one martyred under emperor Hadrian, the other martyred under Diocletian.
#36 →
Maverick
Gwilym & Maverick
BoyEnglish
independent, nonconformist
#37 ↑
Madison
Gwilym & Madison
GirlAmerican
son of Maud, meaning 'a powerful warrior' or 'mighty warrior' in its original context
#37 →
Ivy
Gwilym & Ivy
GirlAmerican
faithfulness
#38 ↑
Logan
Gwilym & Logan
BoyScotland
Little hollow
#39 ↓
Aiden
Gwilym & Aiden
BoyIrish
little fire
#40 →
Willow
Gwilym & Willow
GirlAmerican
Derived from the name of the willow tree, symbolizing flexibility and resilience.
#41 →
Emilia
Gwilym & Emilia
GirlItaly
rival
#42 →
Isaac
Gwilym & Isaac
Boy[English
From the Hebrew name יִצְחָק (Yitzchaq) meaning "he will laugh, he will rejoice", derived from צָחַק (tzachaq) meaning "to laugh".
#42 →
Miles
Gwilym & Miles
BoyLatin
Soldier
#43 ↑
Riley
Gwilym & Riley
GirlIreland
From a surname which comes from two distinct sources. As an Irish surname it is a variant of REILLY. As an English surname it is derived from a place name meaning "rye clearing" in Old English.
#43 →
Naomi
Gwilym & Naomi
GirlHebrew-speaking countries
pleasantness
#44 →
Santiago
Gwilym & Santiago
BoySpain
Saint James, refers to the apostle who represents strength and protection.
#45 ↑
Victoria
Gwilym & Victoria
GirlLatin
Victory
#45 →
Stella
Gwilym & Stella
GirlLatin-speaking countries
star
#46 →
Wyatt
Gwilym & Wyatt
Boy[English]
From an English surname which was derived from the medieval given name WYOT. Wyatt Earp (1848-1929) was an American lawman and gunfighter involved in the famous shootout at the OK Corral.
#46 →
Anthony
Gwilym & Anthony
BoyItalian
priceless
#47 →
Elena
Gwilym & Elena
GirlItaly
light or bright
#47 →
Carter
Gwilym & Carter
BoyAmerican
One who transports goods by cart.
#48 →
Hannah
Gwilym & Hannah
GirlIsrael
From the Hebrew name חַנָּה (Channah) meaning "favour" or "grace". In the Old Testament this is the name of the wife of Elkanah. Her rival was Elkanah's other wife Peninnah, who had children while Hannah remained barren.
#48 →
Jayden
Gwilym & Jayden
BoyUSA
thankful
#49 →
Valentina
Gwilym & Valentina
GirlItaly
Feminine form of Valentinus (see VALENTINE (1)). A famous bearer was the Soviet cosmonaut Valentina Tereshkova (1937-), who in 1963 became the first woman to visit space.
#49 →
Ezekiel
Gwilym & Ezekiel
BoyHebrew
God strengthens
#50 ↑
Maya
Gwilym & Maya
GirlHebrew
Means 'water'. In the context, it can symbolize life and fertility.; Means 'illusion' or 'dream', often referred to in spiritual terms.; A popular name without specific meaning, often used within the Hispanic community.
#50 →
Caleb
Gwilym & Caleb
Boy[English
Most likely related to Hebrew כֶּלֶב (kelev) meaning "dog". An alternate theory connects it to Hebrew כָּל (kal) "whole, all of" and לֵב (lev) "heart".
#51 →
Zoey
Gwilym & Zoey
Girl[English]
Variant of ZOE.
#51 →
Cooper
Gwilym & Cooper
BoyAmerican
barrel maker
#52 ↑
Delilah
Gwilym & Delilah
GirlHebrew
Delicate
#52 ↑
Josiah
Gwilym & Josiah
BoyAmerican
Yahweh has healed
#53 →
Leah
Gwilym & Leah
GirlHebrew
weary
#53 →
Lainey
Gwilym & Lainey
GirlAmerican
bright, shining light
#54 ↑
Isaiah
Gwilym & Isaiah
BoyHebrew
God is salvation
#56 →
Paisley
Gwilym & Paisley
GirlScotland
church
#56 →
Nolan
Gwilym & Nolan
BoyIreland
Noble, famous
#57 →
Cameron
Gwilym & Cameron
BoyScotland
Derived from the Scottish Gaelic 'cam sron', meaning 'crooked nose'.
#58 →
Madelyn
Gwilym & Madelyn
GirlAmerican
Woman from Magdala
#58 →
Nathan
Gwilym & Nathan
BoyHebrew-speaking countries
He has given or gift.
#59 →
Sadie
Gwilym & Sadie
GirlAmerican
princess
#59 ↑
Joshua
Gwilym & Joshua
Boy[English
From the Hebrew name יְהוֹשֻׁעַ (Yehoshu'a) meaning "YAHWEH is salvation". As told in the Old Testament, Joshua was a companion of Moses.
#60 →
Sophie
Gwilym & Sophie
GirlFrance
wisdom
#60 ↑
Kai
Gwilym & Kai
BoyHawaii
Sea; Forgiveness; Victorious
#61 ↑
Leilani
Gwilym & Leilani
GirlHawaii
Heavenly flower
#61 ↑
Addison
Gwilym & Addison
Girl[English]
From an English surname meaning "son of ADAM". Its recent popularity as a feminine name stems from its similarity in sound to Madison.
#62 →
Waylon
Gwilym & Waylon
BoyEnglish-speaking countries
land by the road
#62 ↑
Angel
Gwilym & Angel
BoyEnglish-speaking countries
Messenger of God
#63 →
Natalie
Gwilym & Natalie
GirlFrance
Born on Christmas
#63 ↓
Lincoln
Gwilym & Lincoln
BoyAmerican
from the lake colony
#64 ↓
Andrew
Gwilym & Andrew
BoyGreece
English form of the Greek name Ανδρεας (Andreas), which was derived from ανδρειος (andreios) "manly, masculine", a derivative of ανηρ (aner) "man".
#65 →
Roman
Gwilym & Roman
Boy[Russian
From the Late Latin name Romanus which meant "Roman".
#66 →
Adrian
Gwilym & Adrian
BoyEngland
from Hadria
#67 →
Claire
Gwilym & Claire
GirlFrench
Clear, bright, famous
#67 →
Aaron
Gwilym & Aaron
Boy[English
From the Hebrew name אַהֲרֹן ('Aharon) which is most likely of unknown Egyptian origin. Other theories claim a Hebrew derivation, and suggest meanings such as "high mountain" or "exalted".
#68 →
Kinsley
Gwilym & Kinsley
GirlAmerican
king's meadow
#68 →
Everly
Gwilym & Everly
GirlAmerican
from the boar meadow
#69 ↓
Ian
Gwilym & Ian
BoyScotland
Scottish form of JOHN.
#69 →
Emery
Gwilym & Emery
UnisexGermanic
Work ruler; from the Old German name 'Emmerich'
#70 ↑
Axel
Gwilym & Axel
BoySweden
Medieval Danish form of ABSALOM.
#71 →
Adeline
Gwilym & Adeline
GirlFrench
noble
#71 →
Kennedy
Gwilym & Kennedy
GirlAmerican
helmeted chief
#72 →
Thiago
Gwilym & Thiago
BoyBrazil
Supplanter
#72 ↑
Brooks
Gwilym & Brooks
BoyAmerican
brocc
#73 ↑
Maeve
Gwilym & Maeve
GirlIreland
Intoxicating.
#73 ↑
Audrey
Gwilym & Audrey
GirlEngland
Noble strength
#74 ↓
Bennett
Gwilym & Bennett
Boy[English]
Medieval form of BENEDICT. This was the more common spelling in England until the 18th century. Modern use of the name is probably also influenced by the common surname Bennett, itself a derivative of the medieval name.
#74 ↑