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
Boy
Wales
noble, young warrior; well born, noble
#20
dylan
Gwilym & dylan
Boy
Wales
From 'dy', meaning 'great', and 'llanw', meaning 'tide' or 'flow', thus 'great tide'.
#34
Evan
Gwilym & Evan
Boy
Wales
the Lord is gracious
#137
Brecon
Gwilym & Brecon
Boy
Wales
a steep place or hill
#503
Emryck
Gwilym & Emryck
Boy
Wales
ruler or king
#509
Talyr
Gwilym & Talyr
Girl
Wales
to be a plough or furrow
#533
Rhodri
Gwilym & Rhodri
Boy
Wales
put to flight
#553
Rhayna
Gwilym & Rhayna
Girl
Wales
Queen
#569
Morgann
Gwilym & Morgann
Girl
Wales
sea circle or bright sea
#608
Ieuan
Gwilym & Ieuan
Boy
Wales
gift from God
#650
Bethan
Gwilym & Bethan
Girl
Wales
House of God
#676
Rhiannah
Gwilym & Rhiannah
Girl
Wales
great queen, goddess
#696
Leri
Gwilym & Leri
Boy
Wales
The name Leri is believed to be derived from the Welsh word 'ler', meaning 'sea'.
#744
Brenin
Gwilym & Brenin
Boy
Wales
Prince.
#749
Rhion
Gwilym & Rhion
Boy
Wales
God's gift
#812
Catrin
Gwilym & Catrin
Girl
Wales
Welsh form of KATHERINE, as well as a German short form of KATHARINA.
#825
Ceridwen
Gwilym & Ceridwen
Girl
Wales
beautiful, poetry, or the great poetess
#833
Caitryn
Gwilym & Caitryn
Girl
Wales
pure
#853
Dyllyn
Gwilym & Dyllyn
Boy
Wales
One who is loyal
#925
Tregan
Gwilym & Tregan
Boy
Wales
one who is from the farm or homestead
#939
Luellen
Gwilym & Luellen
Girl
Wales
famous river or lake
#524
Rhionna
Gwilym & Rhionna
Girl
Wales
ruler
Blodwen
Gwilym & Blodwen
Girl
Wales
white flower
#563
Olwyn
Gwilym & Olwyn
Girl
Wales
White hoof
#615
Aeddon
Gwilym & Aeddon
Boy
Wales
Fiery on the battlefield
Calon
Gwilym & Calon
Boy
Wales
Heart
Cadell
Gwilym & Cadell
Boy
Wales
battle, spirit
Meghan
Gwilym & Meghan
Girl
Wales
Variant of MEGAN.
Dylanthomas
Gwilym & Dylanthomas
Boy
Wales
The son of the sea
Dilyn
Gwilym & Dilyn
Unisex
Wales
to follow
Kyeden
Gwilym & Kyeden
Boy
Wales
descendant of Caedain
Bevan
Gwilym & Bevan
Boy
Wales
son of the fair one
#709
Llyod
Gwilym & Llyod
Boy
Wales
gray, gray-haired
#713
Lloyed
Gwilym & Lloyed
Boy
Wales
Grey or gray-haired.
#736
Elgan
Gwilym & Elgan
Boy
Wales
Bright
#752
Ithel
Gwilym & Ithel
Boy
Wales
generous
#789
Rhianon
Gwilym & Rhianon
Girl
Wales
Great queen; divine goddess
#810
Lloyde
Gwilym & Lloyde
Boy
Wales
The name means 'grey' or 'gray-haired', often associated with intelligence and wisdom.
#822
Sarn
Gwilym & Sarn
Boy
Wales
Welsh
#834
Llenifer
Gwilym & Llenifer
Girl
Wales
Derived from 'Llan', meaning 'church or parish' and 'ifer', typically a feminine suffix.
Mostyn
Gwilym & Mostyn
Boy
Wales
From a Welsh place name which means "moss town" in Old English.
Betsi
Gwilym & Betsi
Girl
Wales
God is my oath; pledged to God
#851
Rhedyn
Gwilym & Rhedyn
Girl
Wales
radiant, bright
Rhowyn
Gwilym & Rhowyn
Girl
Wales
divine, good; a form of the name Rowan
Dolen
Gwilym & Dolen
Boy
Wales
a peace keeper
#917
Llesica
Gwilym & Llesica
Girl
Wales
From the grove
Elry
Gwilym & Elry
Boy
Wales
one who is noble or nobleman
#944
Llaneli
Gwilym & Llaneli
Girl
Wales
church or chapel on the river Lliw.
Rheannon
Gwilym & Rheannon
Girl
Wales
Divine queen
#1000
Aderyn
Gwilym & Aderyn
Girl
Wales
Means "bird" in Welsh. This is a modern Welsh name.
Siaan
Gwilym & Siaan
Boy
Wales
God is gracious
Merion
Gwilym & Merion
Unisex
Wales
Of the sea
Euri
Gwilym & Euri
Unisex
Wales
golden
Elideth
Gwilym & Elideth
Girl
Wales
God's Promise
Emrys
Gwilym & Emrys
Unisex
Wales
Immortal or 'the immortal one'.
Ceri
Gwilym & Ceri
Girl
Wales
to love
Rhiannon
Gwilym & Rhiannon
Girl
Wales
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
Girl
Wales
white footprint
Ery
Gwilym & Ery
Boy
Wales
derived from 'Eiry', meaning 'snow' or 'frost'
Eirian
Gwilym & Eirian
Girl
Wales
Beautiful, bright, or shining.
Dyllian
Gwilym & Dyllian
Boy
Wales
son of the sea
Dylanthas
Gwilym & Dylanthas
Boy
Wales
son of the sea
Tylun
Gwilym & Tylun
Boy
Wales
One who is gentle.
Bryndan
Gwilym & Bryndan
Boy
Wales
descendant of Brân
Iestyn
Gwilym & Iestyn
Boy
Wales
just, righteous
Tegan
Gwilym & Tegan
Unisex
Wales
beautiful, fair
Cledith
Gwilym & Cledith
Unisex
Wales
pure, clear
Rosser
Gwilym & Rosser
Boy
Wales
the son of the horseman
Owena
Gwilym & Owena
Girl
Wales
young warrior
Taff
Gwilym & Taff
Boy
Wales
a man of the sea
Derwyn
Gwilym & Derwyn
Boy
Wales
man from the oak tree
Lloyd
Gwilym & Lloyd
Boy
Wales
Grey; sacred
Enneth
Gwilym & Enneth
Boy
Wales
The name means 'steady' or 'firm'
Nellwyn
Gwilym & Nellwyn
Girl
Wales
bright
Dwen
Gwilym & Dwen
Boy
Wales
meaning 'descendant of Duane'
Rhondda
Gwilym & Rhondda
Girl
Wales
a valley
Trahern
Gwilym & Trahern
Boy
Wales
meaning 'three stones' or possibly 'the third'
Evans
Gwilym & Evans
Boy
Wales
Son of Evan
Merlin
Gwilym & Merlin
Boy
Wales
Form of the Welsh name Myrddin (meaning "sea fortress") used by Geoffrey of Monmouth in his 12th-century Arthurian tales.
Liam
Gwilym & Liam
Boy
Irish
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
Girl
Germanic
Originally a short form of Germanic names that began with the element ermen meaning "whole" or "universal".
#2
Noah
Gwilym & Noah
Boy
Hebrew
movement
#2
Charlotte
Gwilym & Charlotte
Girl
France
free man
#3
Oliver
Gwilym & Oliver
Boy
United Kingdom
olive tree
#3
Amelia
Gwilym & Amelia
Girl
Germanic
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
Girl
Greece
wisdom
#5
Mateo
Gwilym & Mateo
Boy
Spain
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
Girl
Italian
God is my oath
#7
Theodore
Gwilym & Theodore
Boy
Greece
Theodōros (Θεόδωρος), meaning 'gift of God'.
#7
Ava
Gwilym & Ava
Girl
Latin
life; bird
#8
Evelyn
Gwilym & Evelyn
Girl
England
wished for
#9
Lucas
Gwilym & Lucas
Boy
Latin 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
Girl
English
Harp player.
#11
Levi
Gwilym & Levi
Boy
Hebrew
meaning 'joined' or 'attached'.
#12
Sofia
Gwilym & Sofia
Girl
Greece
Form of SOPHIA.
#12
Camila
Gwilym & Camila
Girl
Spain
young ceremonial attendant
#13
Sebastian
Gwilym & Sebastian
Boy
Latin
venerable
#13
Eleanor
Gwilym & Eleanor
Girl
England
light-hearted
#14
Ezra
Gwilym & Ezra
Boy
Hebrew-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
Girl
England
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
Girl
English-speaking countries
rival
#19
Lily
Gwilym & Lily
Girl
England
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
Boy
Greece
defender of the people
#22
Asher
Gwilym & Asher
Boy
Hebrew
Happy
#23
Penelope
Gwilym & Penelope
Girl
Greek
Weaver
#23
Luca
Gwilym & Luca
Boy
Italian
bringer of light; light
#24
Nora
Gwilym & Nora
Girl
Ireland
honor
#24
Aria
Gwilym & Aria
Girl
Italy
Air, melody; a long song in an opera.
#25
Ethan
Gwilym & Ethan
Boy
Hebrew
strong, firm
#25
Chloe
Gwilym & Chloe
Girl
Greece
blooming
#26
Ellie
Gwilym & Ellie
Girl
English
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
Girl
Slavic
Slavic
#28
Avery
Gwilym & Avery
Girl
American
Originally a surname meaning 'ruler of the elves'.
#29
Layla
Gwilym & Layla
Girl
Arabic
night
#30
Mason
Gwilym & Mason
Boy
American
(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
Boy
Greece
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
Girl
English-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
Girl
English-speaking countries
Island
#33
Julian
Gwilym & Julian
Boy
Latin
youthful, downy
#33
Eliana
Gwilym & Eliana
Girl
Hebrew
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
Boy
Greece
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
Boy
English
independent, nonconformist
#37
Madison
Gwilym & Madison
Girl
American
son of Maud, meaning 'a powerful warrior' or 'mighty warrior' in its original context
#37
Ivy
Gwilym & Ivy
Girl
American
faithfulness
#38
Logan
Gwilym & Logan
Boy
Scotland
Little hollow
#39
Aiden
Gwilym & Aiden
Boy
Irish
little fire
#40
Willow
Gwilym & Willow
Girl
American
Derived from the name of the willow tree, symbolizing flexibility and resilience.
#41
Emilia
Gwilym & Emilia
Girl
Italy
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
Boy
Latin
Soldier
#43
Riley
Gwilym & Riley
Girl
Ireland
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
Girl
Hebrew-speaking countries
pleasantness
#44
Santiago
Gwilym & Santiago
Boy
Spain
Saint James, refers to the apostle who represents strength and protection.
#45
Victoria
Gwilym & Victoria
Girl
Latin
Victory
#45
Stella
Gwilym & Stella
Girl
Latin-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
Boy
Italian
priceless
#47
Elena
Gwilym & Elena
Girl
Italy
light or bright
#47
Carter
Gwilym & Carter
Boy
American
One who transports goods by cart.
#48
Hannah
Gwilym & Hannah
Girl
Israel
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
Boy
USA
thankful
#49
Valentina
Gwilym & Valentina
Girl
Italy
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
Boy
Hebrew
God strengthens
#50
Maya
Gwilym & Maya
Girl
Hebrew
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
Boy
American
barrel maker
#52
Delilah
Gwilym & Delilah
Girl
Hebrew
Delicate
#52
Josiah
Gwilym & Josiah
Boy
American
Yahweh has healed
#53
Leah
Gwilym & Leah
Girl
Hebrew
weary
#53
Lainey
Gwilym & Lainey
Girl
American
bright, shining light
#54
Isaiah
Gwilym & Isaiah
Boy
Hebrew
God is salvation
#56
Paisley
Gwilym & Paisley
Girl
Scotland
church
#56
Nolan
Gwilym & Nolan
Boy
Ireland
Noble, famous
#57
Cameron
Gwilym & Cameron
Boy
Scotland
Derived from the Scottish Gaelic 'cam sron', meaning 'crooked nose'.
#58
Madelyn
Gwilym & Madelyn
Girl
American
Woman from Magdala
#58
Nathan
Gwilym & Nathan
Boy
Hebrew-speaking countries
He has given or gift.
#59
Sadie
Gwilym & Sadie
Girl
American
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
Girl
France
wisdom
#60
Kai
Gwilym & Kai
Boy
Hawaii
Sea; Forgiveness; Victorious
#61
Leilani
Gwilym & Leilani
Girl
Hawaii
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
Boy
English-speaking countries
land by the road
#62
Angel
Gwilym & Angel
Boy
English-speaking countries
Messenger of God
#63
Natalie
Gwilym & Natalie
Girl
France
Born on Christmas
#63
Lincoln
Gwilym & Lincoln
Boy
American
from the lake colony
#64
Andrew
Gwilym & Andrew
Boy
Greece
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
Boy
England
from Hadria
#67
Claire
Gwilym & Claire
Girl
French
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
Girl
American
king's meadow
#68
Everly
Gwilym & Everly
Girl
American
from the boar meadow
#69
Ian
Gwilym & Ian
Boy
Scotland
Scottish form of JOHN.
#69
Emery
Gwilym & Emery
Unisex
Germanic
Work ruler; from the Old German name 'Emmerich'
#70
Axel
Gwilym & Axel
Boy
Sweden
Medieval Danish form of ABSALOM.
#71
Adeline
Gwilym & Adeline
Girl
French
noble
#71
Kennedy
Gwilym & Kennedy
Girl
American
helmeted chief
#72
Thiago
Gwilym & Thiago
Boy
Brazil
Supplanter
#72
Brooks
Gwilym & Brooks
Boy
American
brocc
#73
Maeve
Gwilym & Maeve
Girl
Ireland
Intoxicating.
#73
Audrey
Gwilym & Audrey
Girl
England
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