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