Best Sibling Names for Caitilyn
Names chosen to complement Caitilyn — matching origin (Ireland), era, and style.
200 options97 girl116 boy
These sibling names share Caitilyn's Ireland roots or similar popularity era, and start with a different letter to avoid alliteration.
Nora
Caitilyn & Nora
GirlIreland
honor
#24 →
Riley
Caitilyn & 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 →
Nolan
Caitilyn & Nolan
BoyIreland
Noble, famous
#57 →
Maeve
Caitilyn & Maeve
GirlIreland
Intoxicating.
#73 ↑
Ryan
Caitilyn & Ryan
BoyIreland
From an Irish surname which was derived from Ó Riain meaning "descendant of Rían". The given name Rían probably means "little king" (from Irish rí "king" combined with a diminutive suffix).
#83 ↓
Quinn
Caitilyn & Quinn
GirlIreland
From an Irish surname, an Anglicized form of Ó Cuinn meaning "descendant of CONN".
#86 →
Declan
Caitilyn & Declan
BoyIreland
Anglicized form of Irish Deaglán, which is of unknown meaning. Saint Declan was a 5th-century missionary to Ireland.
#132 ↓
Sloane
Caitilyn & Sloane
GirlIreland
From an Irish surname which was derived from an Anglicized form of the given name SLUAGHADHÁN.
#151 ↑
Brianna
Caitilyn & Brianna
GirlIreland
Variant of BRIANA.
#152 →
Reagan
Caitilyn & Reagan
GirlIreland
Descendant of Riagán
#168 ↓
Finn
Caitilyn & Finn
BoyIreland
fair, white
#186 →
Brody
Caitilyn & Brody
BoyIreland
ditch, muddy place
#204 ↓
Delaney
Caitilyn & Delaney
GirlIreland
From a surname: either the English surname DELANEY (1) or the Irish surname DELANEY (2).
#233 ↑
Rory
Caitilyn & Rory
UnisexIreland
red king
#242 ↑
Ronan
Caitilyn & Ronan
BoyIreland
little seal
#290 ↓
Aidan
Caitilyn & Aidan
BoyIreland
Little fire
#300 ↓
Teagan
Caitilyn & Teagan
UnisexIreland
Attractive, beautiful
#309 ↓
McKenna
Caitilyn & McKenna
GirlIreland
descendant of the headstrong one
#326 ↓
Sullivan
Caitilyn & Sullivan
BoyIreland
From an Irish surname which was derived from Ó Súilleabháin meaning "descendant of Súilleabhán". The name Súilleabhán means "little dark eye" in Irish.
#358 ↑
Desmond
Caitilyn & Desmond
BoyIreland
From the grassland village
#399 ↓
Briana
Caitilyn & Briana
GirlIreland
Feminine form of BRIAN. This name was used by Edmund Spenser in 'The Faerie Queene' (1590). The name was not commonly used until the 1970s, when it rapidly became popular in the United States.
#470 ↑
Kieran
Caitilyn & Kieran
BoyIreland
Little dark one
#477 →
Finnegan
Caitilyn & Finnegan
BoyIreland
descendant of the fair one
#490 ↓
Daigan
Caitilyn & Daigan
BoyIreland
sorrow or difficulty
#502 →
Killean
Caitilyn & Killean
BoyIreland
Slender or narrow
#505 →
Murphy
Caitilyn & Murphy
UnisexIreland
Sea warrior
#519 ↑
Drennan
Caitilyn & Drennan
BoyIreland
Descendant of Dreánán
#533 →
Gráinne
Caitilyn & Gráinne
GirlIreland
grain, love
#533 →
Fionnula
Caitilyn & Fionnula
GirlIreland
White shoulder
#538 →
Blaney
Caitilyn & Blaney
UnisexIreland
daughter of the river
#541 →
Aidann
Caitilyn & Aidann
BoyIreland
little fire
#543 →
Mainhia
Caitilyn & Mainhia
GirlIreland
tir na nognah, la tierra de la juventud (meaning: land of eternal youth)
#543 →
Brannick
Caitilyn & Brannick
BoyIreland
Descendant of Bran
#547 →
Denin
Caitilyn & Denin
BoyIreland
Defender; Descendant of Donn
#547 →
Kieley
Caitilyn & Kieley
GirlIreland
slender, beautiful
#547 →
O'Conner
Caitilyn & O'Conner
BoyIreland
A beloved name with deep roots
#552 →
Nigell
Caitilyn & Nigell
BoyIreland
A variant of the name Nigel, derived from the Latin 'Nigellus', meaning 'little black one'.
#554 →
Rielley
Caitilyn & Rielley
GirlIreland
descendant of the red-haired one
#567 →
Deiren
Caitilyn & Deiren
BoyIreland
Sorrowful; from the sea
#576 →
Meaghann
Caitilyn & Meaghann
GirlIreland
pearl
#579 →
Kerlin
Caitilyn & Kerlin
GirlIreland
Little dark one.
#586 →
Tieg
Caitilyn & Tieg
BoyIreland
a poetic form of the word 'tadhg', meaning 'poet' or 'philosopher'
#588 →
Dregan
Caitilyn & Dregan
BoyIreland
Little druid
#592 →
Kevina
Caitilyn & Kevina
GirlIreland
Gentle, beautiful; Crowned with beauty
#594 →
Ailse
Caitilyn & Ailse
GirlIreland
Noble
#597 →
Gael
Caitilyn & Gael
BoyIreland
a Gael, a person of Gaelic origin; a reference to 'Gale', meaning cheerful or merry
#99 ↑
Keilan
Caitilyn & Keilan
BoyIreland
Narrow or skinny; Slender or thin
#603 →
Aylish
Caitilyn & Aylish
GirlIreland
Derived from 'Ailis,' meaning noble or kind
#611 →
Padrick
Caitilyn & Padrick
BoyIreland
Noble, patrician
#614 →
Grainne
Caitilyn & Grainne
GirlIreland
Goddess of Love, Love, or Grain (from 'gránn', meaning 'grain')
#615 →
Donovann
Caitilyn & Donovann
BoyIreland
Dark warrior
#624 →
Keegan
Caitilyn & Keegan
BoyIreland
descendant of Caodhán
#627 ↓
Brennick
Caitilyn & Brennick
BoyIreland
Descendant of Braonán
#630 →
Kayleigh
Caitilyn & Kayleigh
GirlIreland
Variant of KAYLEE. This is also a common Anglicized form of the Gaelic word ceilidh, a traditional social gathering and dance.
#631 ↓
Shealan
Caitilyn & Shealan
GirlIreland
from the fairy palace; blessed by good fortune
#634 →
Madden
Caitilyn & Madden
BoyIreland
Little dog
#645 ↑
Bronagh
Caitilyn & Bronagh
GirlIreland
sorrowful, sad
#646 →
Faelan
Caitilyn & Faelan
BoyIreland
little wolf
#648 →
Keeven
Caitilyn & Keeven
BoyIreland
descendant of Caomhín
#663 →
Patrickjames
Caitilyn & Patrickjames
BoyIreland
from 'Patricius', meaning nobleman or patrician.; James is derived from the Hebrew name Yaakov, meaning supplanter.
#663 →
Sheriden
Caitilyn & Sheriden
GirlIreland
from the Gaelic 'Searraidhe,' meaning 'descendant of Searrat.'
#671 →
Keedan
Caitilyn & Keedan
BoyIreland
a descendant of Caedán
#682 →
Maeghan
Caitilyn & Maeghan
GirlIreland
Variant of MEGAN.
#685 →
Sloan
Caitilyn & Sloan
UnisexIreland
soughing or tranquil river
#689 ↓
Aaidan
Caitilyn & Aaidan
BoyIreland
little fire
#695 →
Kielin
Caitilyn & Kielin
BoyIreland
Slender, Fair
#704 →
Eaden
Caitilyn & Eaden
UnisexIreland
little fire
#706 →
Muireann
Caitilyn & Muireann
GirlIreland
Sea White
#707 →
Kiley
Caitilyn & Kiley
GirlIreland
Variant of KYLIE.
#709 →
Nigíl
Caitilyn & Nigíl
BoyIreland
Champion
#709 →
Oscar
Caitilyn & Oscar
BoyIreland
deer lover
#216 →
Patrick
Caitilyn & Patrick
BoyIreland
From the Latin name Patricius, which meant "nobleman". This name was adopted in the 5th-century by Saint Patrick, whose birth name was Sucat.
#224 →
Rianah
Caitilyn & Rianah
GirlIreland
little king; queen
#729 →
Aidrian
Caitilyn & Aidrian
BoyIreland
From the sea
#730 →
Keavy
Caitilyn & Keavy
GirlIreland
Anglicized form of CAOIMHE.
#730 →
Shaylin
Caitilyn & Shaylin
GirlIreland
From the fairy palace.; A variant of the name Shailene.
#731 →
Teige
Caitilyn & Teige
BoyIreland
Folk name meaning 'poet', a diminutive of the name Tadhg.
#736 →
Tierney
Caitilyn & Tierney
GirlIreland
lord / landowner
#740 →
Shanny
Caitilyn & Shanny
GirlIreland
from the old oak tree
#741 →
Kahlen
Caitilyn & Kahlen
UnisexIreland
Pure, slender
#745 →
Meagan
Caitilyn & Meagan
GirlIreland
Pearl
#747 →
Naileen
Caitilyn & Naileen
GirlIreland
A combination of the name Niamh and the root -leen, suggesting brightness and radiance.
#751 →
Devvin
Caitilyn & Devvin
BoyIreland
Poet
#753 →
Keaire
Caitilyn & Keaire
UnisexIreland
Dark-haired
#760 →
Loagan
Caitilyn & Loagan
BoyIreland
descendant of the warrior
#764 →
Rheann
Caitilyn & Rheann
GirlIreland
Great queen or goddess
#768 →
Flynn
Caitilyn & Flynn
BoyIreland
descendant of the red-haired one
#782 ↓
McCord
Caitilyn & McCord
BoyIreland
Son of the cord or rope maker; also, a surname that has become popular as a first name.
#790 →
Padriac
Caitilyn & Padriac
BoyIreland
Noble, patrician
#791 →
Kelty
Caitilyn & Kelty
GirlIreland
from the narrow wood; dweller near the woods
#793 →
Tyghe
Caitilyn & Tyghe
BoyIreland
Derived from 'Tadhg', meaning 'poet' or 'philosopher'.
#795 →
Bhrianna
Caitilyn & Bhrianna
GirlIreland
exalted; noble
#796 →
Phinn
Caitilyn & Phinn
BoyIreland
white, fair
#796 →
Aeden
Caitilyn & Aeden
BoyIreland
little fire
#805 →
Brian
Caitilyn & Brian
BoyIreland
noble, strong
#317 ↓
Brodderick
Caitilyn & Brodderick
BoyIreland
Son of Roger
#828 →
Ashlyn
Caitilyn & Ashlyn
GirlIreland
Dream; vision
#831 ↓
AidanJohn
Caitilyn & AidanJohn
BoyIreland
little fire; God is gracious
#832 →
AidenMatthew
Caitilyn & AidenMatthew
BoyIreland
little fire
#838 →
Aidanjames
Caitilyn & Aidanjames
BoyIreland
Little fire and supplanter
#838 →
Bradan
Caitilyn & Bradan
BoyIreland
descendant of Bradan
#840 →
Noelan
Caitilyn & Noelan
BoyIreland
Noble one
#845 →
Gillen
Caitilyn & Gillen
BoyIreland
Servant; follower of St. Giolla
#851 →
Bridan
Caitilyn & Bridan
BoyIreland
One who is brave
#852 →
Eanna
Caitilyn & Eanna
GirlIreland
the divine, the holy
#856 →
Farran
Caitilyn & Farran
GirlIreland
From an English surname which was derived from Old French ferrant meaning "iron grey".
#856 →
Eeán
Caitilyn & Eeán
BoyIreland
gift of God
#857 →
Aishling
Caitilyn & Aishling
GirlIreland
dream, vision; poetic vision
#861 →
Keating
Caitilyn & Keating
UnisexIreland
descendant of Caointeach; little fire
#861 →
Kearney
Caitilyn & Kearney
UnisexIreland
Descendant of Ciarán
#865 →
Eammon
Caitilyn & Eammon
BoyIreland
Wealthy protector
#867 →
Seonna
Caitilyn & Seonna
GirlIreland
God is gracious
#869 →
Lhiam
Caitilyn & Lhiam
BoyIreland
A form of William
#880 →
Kieren
Caitilyn & Kieren
UnisexIreland
Little dark one
#882 →
Eava
Caitilyn & Eava
GirlIreland
beautiful, radiant
#884 →
Keatin
Caitilyn & Keatin
BoyIreland
Derived from 'Catherine', meaning 'pure'.
#892 →
Aiddan
Caitilyn & Aiddan
BoyIreland
little fire; young warrior
#902 →
Lierin
Caitilyn & Lierin
GirlIreland
Lyric; a form of song
#904 →
Kellan
Caitilyn & Kellan
BoyIreland
slender, narrow
#905 ↓
Keenin
Caitilyn & Keenin
BoyIreland
ancient or old
#905 →
Macalla
Caitilyn & Macalla
GirlIreland
a place of abundance
#916 →
Ayleen
Caitilyn & Ayleen
GirlIreland
bright, shining light; pure, innocent
#917 →
Kiera
Caitilyn & Kiera
GirlIreland
little dark one
#919 →
Aelan
Caitilyn & Aelan
GirlIreland
noble or serene
#921 →
Sean
Caitilyn & Sean
BoyIreland
Anglicized form of SEÁN.
#427 ↓
SeanMichael
Caitilyn & SeanMichael
BoyIreland
Who is like God?
#931 →
Dellaney
Caitilyn & Dellaney
GirlIreland
from the river valley
#933 →
Seann
Caitilyn & Seann
BoyIreland
God is gracious
#939 →
Iean
Caitilyn & Iean
BoyIreland
God is gracious
#944 →
KevinMatthew
Caitilyn & KevinMatthew
BoyIreland
handsome beloved
#946 →
Shanade
Caitilyn & Shanade
GirlIreland
a combination of 'shana' (old) and 'de' (of)
#946 →
Broedy
Caitilyn & Broedy
BoyIreland
Ditch or muddy place
#952 →
Karrick
Caitilyn & Karrick
BoyIreland
Little and dark
#952 →
Keetan
Caitilyn & Keetan
BoyIreland
little cat
#955 →
Eillie
Caitilyn & Eillie
GirlIreland
Bringer of light
#956 →
Kaitin
Caitilyn & Kaitin
GirlIreland
Irish
#957 →
Liiam
Caitilyn & Liiam
BoyIreland
strong-willed warrior
#957 →
Saoirse
Caitilyn & Saoirse
GirlIreland
Freedom
#959 ↓
Dannan
Caitilyn & Dannan
GirlIreland
Little fire
#962 →
Branoon
Caitilyn & Branoon
BoyIreland
descendant of Bran or raven
#968 →
Donovan
Caitilyn & Donovan
BoyIreland
dark warrior
#468 ↓
McCoy
Caitilyn & McCoy
BoyIreland
son of the son of the captain
#973 ↑
Morrighan
Caitilyn & Morrighan
GirlIreland
great queen
#980 →
Parick
Caitilyn & Parick
BoyIreland
Nobleman or aristocrat
#985 →
Tierni
Caitilyn & Tierni
GirlIreland
little land owner, land estate
#992 →
Kegan
Caitilyn & Kegan
BoyIreland
Variant of KEEGAN.
#997 →
Keivin
Caitilyn & Keivin
BoyIreland
handsome, beloved
#1000 →
Shavaun
Caitilyn & Shavaun
GirlIreland
From the -shawn family of names
#500 →
Biranna
Caitilyn & Biranna
GirlIreland
Variant of 'Birn' or 'Birna' which means 'sea' or 'ocean'.
Meada
Caitilyn & Meada
GirlIreland
a strong one; a warrior
#504 →
Erris
Caitilyn & Erris
BoyIreland
From the ridge.
#506 →
Robann
Caitilyn & Robann
GirlIreland
fame; bright; radiant
#507 →
Dohnovan
Caitilyn & Dohnovan
BoyIreland
Dark warrior
Kinney
Caitilyn & Kinney
BoyIreland
descendant of Caoinneach, meaning 'handsome' or 'attractive'
#510 →
Dublyn
Caitilyn & Dublyn
GirlIreland
Black pool
Finlea
Caitilyn & Finlea
GirlIreland
fair-haired hero
Michealene
Caitilyn & Michealene
GirlIreland
Who is like God?
#516 →
Graidys
Caitilyn & Graidys
GirlIreland
Derived from Gráinne, meaning 'love' or 'grace'.
Dooley
Caitilyn & Dooley
BoyIreland
Defender
Brennan
Caitilyn & Brennan
BoyIreland
Descendant of Braonán; 'Descendant of the sad one'.
Esker
Caitilyn & Esker
BoyIreland
a watercourse, or a river terrace
#525 →
Gaelen
Caitilyn & Gaelen
BoyIreland
A form of the name 'Gail', meaning 'joyful' or 'cheerful'.; Variant of 'Galen', meaning 'calm' or 'healer'.
#528 →
Ivor
Caitilyn & Ivor
BoyIreland
Yew tree
#529 →
Maigan
Caitilyn & Maigan
GirlIreland
A variant of Megan, meaning 'little pearl'.
Kilian
Caitilyn & Kilian
BoyIreland
German form and Irish and French variant of CILLIAN.
Deirra
Caitilyn & Deirra
GirlIreland
Sorrowful
Donahue
Caitilyn & Donahue
BoyIreland
Descendant of Donnchadh, meaning 'brown warrior'.
#534 →
Teighan
Caitilyn & Teighan
GirlIreland
Derived from the Irish surname 'Teigh', meaning 'house or dwelling'.
Toltú
Caitilyn & Toltú
GirlIreland
One who brings peace.
Nevan
Caitilyn & Nevan
BoyIreland
Anglicized form of NAOMHÁN.
Kathleen
Caitilyn & Kathleen
GirlIreland
Anglicized form of CAITLÍN.
#540 →
Deidri
Caitilyn & Deidri
GirlIreland
Sorrowful, wailing
#542 →
SeanPatrick
Caitilyn & SeanPatrick
BoyIreland
God is gracious; nobleman
Breannon
Caitilyn & Breannon
GirlIreland
descendant of Braonán
#544 →
Noleen
Caitilyn & Noleen
GirlIreland
Famous, noble
#547 →
Donard
Caitilyn & Donard
BoyIreland
Donard is derived from the Irish name 'Donard', which means 'world ruler' or 'chief'.
#548 →
Dinean
Caitilyn & Dinean
GirlIreland
The name is derived from the word 'dín', meaning 'fortress'.
#549 →
Quinnell
Caitilyn & Quinnell
BoyIreland
descendant of Caoinheal
Desmund
Caitilyn & Desmund
BoyIreland
A variant of the name Desmond, derived from the name of a historical kingdom in southwestern Ireland.
Devann
Caitilyn & Devann
GirlIreland
Irish
Kerron
Caitilyn & Kerron
BoyIreland
dark or black
Quinnlan
Caitilyn & Quinnlan
UnisexIreland
descendant of Caoinlean
Siohban
Caitilyn & Siohban
GirlIreland
God is gracious.
#560 →
Shevaun
Caitilyn & Shevaun
GirlIreland
Anglicized form of SIOBHÁN.
#561 →
Draiven
Caitilyn & Draiven
BoyIreland
brave, strong; dear one
Daidre
Caitilyn & Daidre
GirlIreland
mortal, broken-hearted
Shivon
Caitilyn & Shivon
GirlIreland
God is gracious
#569 →
Aiedan
Caitilyn & Aiedan
BoyIreland
little fire
Neana
Caitilyn & Neana
GirlIreland
Word derived from the Irish term for 'little girl'.
#582 →
McCai
Caitilyn & McCai
BoyIreland
A beloved name with deep roots
Ethna
Caitilyn & Ethna
GirlIreland
little fire
#587 →
Dempsy
Caitilyn & Dempsy
BoyIreland
A beloved name with deep roots
#588 →
Wileen
Caitilyn & Wileen
GirlIreland
delicate
#591 →
Keaghan
Caitilyn & Keaghan
UnisexIreland
Descendant of Caodhán.
Kathlean
Caitilyn & Kathlean
GirlIreland
pure
#608 →
Killien
Caitilyn & Killien
BoyIreland
Little church.
Brekin
Caitilyn & Brekin
BoyIreland
freckled
Faylin
Caitilyn & Faylin
GirlIreland
little fairy
Kiean
Caitilyn & Kiean
BoyIreland
Ancient; enduring
O'Connor
Caitilyn & O'Connor
BoyIreland
descendant of Conchobhair, meaning 'lover of hounds'