Best Sibling Names for Sullivan

Names chosen to complement Sullivan — matching origin (Ireland), era, and style.

200 options94 girl120 boy
These sibling names share Sullivan's Ireland roots or similar popularity era, and start with a different letter to avoid alliteration.
Nora
Sullivan & Nora
Girl
Ireland
honor
#24
Riley
Sullivan & 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
Sullivan & Nolan
Boy
Ireland
Noble, famous
#57
Maeve
Sullivan & Maeve
Girl
Ireland
Intoxicating.
#73
Quinn
Sullivan & Quinn
Girl
Ireland
From an Irish surname, an Anglicized form of Ó Cuinn meaning "descendant of CONN".
#86
Declan
Sullivan & Declan
Boy
Ireland
Anglicized form of Irish Deaglán, which is of unknown meaning. Saint Declan was a 5th-century missionary to Ireland.
#132
Brianna
Sullivan & Brianna
Girl
Ireland
Variant of BRIANA.
#152
Reagan
Sullivan & Reagan
Girl
Ireland
Descendant of Riagán
#168
Finn
Sullivan & Finn
Boy
Ireland
fair, white
#186
Brody
Sullivan & Brody
Boy
Ireland
ditch, muddy place
#204
Delaney
Sullivan & Delaney
Girl
Ireland
From a surname: either the English surname DELANEY (1) or the Irish surname DELANEY (2).
#233
Rory
Sullivan & Rory
Unisex
Ireland
red king
#242
Ronan
Sullivan & Ronan
Boy
Ireland
little seal
#290
Aidan
Sullivan & Aidan
Boy
Ireland
Little fire
#300
Teagan
Sullivan & Teagan
Unisex
Ireland
Attractive, beautiful
#309
McKenna
Sullivan & McKenna
Girl
Ireland
descendant of the headstrong one
#326
Desmond
Sullivan & Desmond
Boy
Ireland
From the grassland village
#399
Callahan
Sullivan & Callahan
Unisex
Ireland
little bright-headed
#460
Kieran
Sullivan & Kieran
Boy
Ireland
Little dark one
#477
Finnegan
Sullivan & Finnegan
Boy
Ireland
descendant of the fair one
#490
Cassidy
Sullivan & Cassidy
Girl
Ireland
From an Irish surname which was derived from Ó Caiside meaning "descendant of CAISIDE".
#496
Daigan
Sullivan & Daigan
Boy
Ireland
sorrow or difficulty
#502
Killean
Sullivan & Killean
Boy
Ireland
Slender or narrow
#505
Murphy
Sullivan & Murphy
Unisex
Ireland
Sea warrior
#519
Cianan
Sullivan & Cianan
Boy
Ireland
Ancient; a descendant of Cian.
#522
Coner
Sullivan & Coner
Boy
Ireland
a variation of the name Connor
#531
Drennan
Sullivan & Drennan
Boy
Ireland
Descendant of Dreánán
#533
Gráinne
Sullivan & Gráinne
Girl
Ireland
grain, love
#533
Fionnula
Sullivan & Fionnula
Girl
Ireland
White shoulder
#538
Blaney
Sullivan & Blaney
Unisex
Ireland
daughter of the river
#541
Cian
Sullivan & Cian
Boy
Ireland
Means "ancient" in Gaelic. This was the name of the mythical ancestor of the Cianachta in Irish legend. Cian was also the name of a son-in-law of Brian Boru.
#542
Aidann
Sullivan & Aidann
Boy
Ireland
little fire
#543
Brannick
Sullivan & Brannick
Boy
Ireland
Descendant of Bran
#547
Denin
Sullivan & Denin
Boy
Ireland
Defender; Descendant of Donn
#547
Kieley
Sullivan & Kieley
Girl
Ireland
slender, beautiful
#547
O'Conner
Sullivan & O'Conner
Boy
Ireland
A beloved name with deep roots
#552
Covan
Sullivan & Covan
Boy
Ireland
young warrior
#566
Rielley
Sullivan & Rielley
Girl
Ireland
descendant of the red-haired one
#567
Deiren
Sullivan & Deiren
Boy
Ireland
Sorrowful; from the sea
#576
Ryan
Sullivan & 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
Kerlin
Sullivan & Kerlin
Girl
Ireland
Little dark one.
#586
Tieg
Sullivan & Tieg
Boy
Ireland
a poetic form of the word 'tadhg', meaning 'poet' or 'philosopher'
#588
Dregan
Sullivan & Dregan
Boy
Ireland
Little druid
#592
Cillian
Sullivan & Cillian
Boy
Ireland
warrior
#594
Caelen
Sullivan & Caelen
Boy
Ireland
Irish
#594
Ailse
Sullivan & Ailse
Girl
Ireland
Noble
#597
Gael
Sullivan & Gael
Boy
Ireland
a Gael, a person of Gaelic origin; a reference to 'Gale', meaning cheerful or merry
#99
Keilan
Sullivan & Keilan
Boy
Ireland
Narrow or skinny; Slender or thin
#603
Aylish
Sullivan & Aylish
Girl
Ireland
Derived from 'Ailis,' meaning noble or kind
#611
Coilin
Sullivan & Coilin
Boy
Ireland
from 'Caolán', meaning 'slender' or 'narrow'
#612
Padrick
Sullivan & Padrick
Boy
Ireland
Noble, patrician
#614
Donovann
Sullivan & Donovann
Boy
Ireland
Dark warrior
#624
Connor
Sullivan & Connor
Boy
Ireland
lover of hounds
#126
Keegan
Sullivan & Keegan
Boy
Ireland
descendant of Caodhán
#627
Brennick
Sullivan & Brennick
Boy
Ireland
Descendant of Braonán
#630
Kayleigh
Sullivan & 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
Cailin
Sullivan & Cailin
Girl
Ireland
Variant of KAYLYN. It also coincides with the Irish word cailín meaning "girl".
#642
Madden
Sullivan & Madden
Boy
Ireland
Little dog
#645
Bronagh
Sullivan & Bronagh
Girl
Ireland
sorrowful, sad
#646
Faelan
Sullivan & Faelan
Boy
Ireland
little wolf
#648
Clover
Sullivan & Clover
Girl
Ireland
A flowering plant that symbolizes good luck.
#672
Corrah
Sullivan & Corrah
Girl
Ireland
Heart or a beloved
#682
Keedan
Sullivan & Keedan
Boy
Ireland
a descendant of Caedán
#682
Cleary
Sullivan & Cleary
Unisex
Ireland
Descendant of the cleric
#694
Aaidan
Sullivan & Aaidan
Boy
Ireland
little fire
#695
Kielin
Sullivan & Kielin
Boy
Ireland
Slender, Fair
#704
Eaden
Sullivan & Eaden
Unisex
Ireland
little fire
#706
Muireann
Sullivan & Muireann
Girl
Ireland
Sea White
#707
Kiley
Sullivan & Kiley
Girl
Ireland
Variant of KYLIE.
#709
Nigíl
Sullivan & Nigíl
Boy
Ireland
Champion
#709
Oscar
Sullivan & Oscar
Boy
Ireland
deer lover
#216
Patrick
Sullivan & 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
Sullivan & Rianah
Girl
Ireland
little king; queen
#729
Aidrian
Sullivan & Aidrian
Boy
Ireland
From the sea
#730
Keavy
Sullivan & Keavy
Girl
Ireland
Anglicized form of CAOIMHE.
#730
Teige
Sullivan & Teige
Boy
Ireland
Folk name meaning 'poet', a diminutive of the name Tadhg.
#736
Kahlen
Sullivan & Kahlen
Unisex
Ireland
Pure, slender
#745
Naileen
Sullivan & Naileen
Girl
Ireland
A combination of the name Niamh and the root -leen, suggesting brightness and radiance.
#751
Loagan
Sullivan & Loagan
Boy
Ireland
descendant of the warrior
#764
Rheann
Sullivan & Rheann
Girl
Ireland
Great queen or goddess
#768
Flynn
Sullivan & Flynn
Boy
Ireland
descendant of the red-haired one
#782
Kelty
Sullivan & Kelty
Girl
Ireland
from the narrow wood; dweller near the woods
#793
Bhrianna
Sullivan & Bhrianna
Girl
Ireland
exalted; noble
#796
Phinn
Sullivan & Phinn
Boy
Ireland
white, fair
#796
Caragan
Sullivan & Caragan
Girl
Ireland
little heart
#801
Aeden
Sullivan & Aeden
Boy
Ireland
little fire
#805
Brian
Sullivan & Brian
Boy
Ireland
noble, strong
#317
Ashlyn
Sullivan & Ashlyn
Girl
Ireland
Dream; vision
#831
AidanJohn
Sullivan & AidanJohn
Boy
Ireland
little fire; God is gracious
#832
AidenMatthew
Sullivan & AidenMatthew
Boy
Ireland
little fire
#838
Aidanjames
Sullivan & Aidanjames
Boy
Ireland
Little fire and supplanter
#838
Callan
Sullivan & Callan
Unisex
Ireland
Rocky place
#339
Bradan
Sullivan & Bradan
Boy
Ireland
descendant of Bradan
#840
Noelan
Sullivan & Noelan
Boy
Ireland
Noble one
#845
Bridan
Sullivan & Bridan
Boy
Ireland
One who is brave
#852
Eanna
Sullivan & Eanna
Girl
Ireland
the divine, the holy
#856
Eeán
Sullivan & Eeán
Boy
Ireland
gift of God
#857
Keating
Sullivan & Keating
Unisex
Ireland
descendant of Caointeach; little fire
#861
Eammon
Sullivan & Eammon
Boy
Ireland
Wealthy protector
#867
Lhiam
Sullivan & Lhiam
Boy
Ireland
A form of William
#880
Kieren
Sullivan & Kieren
Unisex
Ireland
Little dark one
#882
Eava
Sullivan & Eava
Girl
Ireland
beautiful, radiant
#884
Keatin
Sullivan & Keatin
Boy
Ireland
Derived from 'Catherine', meaning 'pure'.
#892
Aiddan
Sullivan & Aiddan
Boy
Ireland
little fire; young warrior
#902
Kellan
Sullivan & Kellan
Boy
Ireland
slender, narrow
#905
Keenin
Sullivan & Keenin
Boy
Ireland
ancient or old
#905
Macalla
Sullivan & Macalla
Girl
Ireland
a place of abundance
#916
Ayleen
Sullivan & Ayleen
Girl
Ireland
bright, shining light; pure, innocent
#917
Kiera
Sullivan & Kiera
Girl
Ireland
little dark one
#919
Aelan
Sullivan & Aelan
Girl
Ireland
noble or serene
#921
Dellaney
Sullivan & Dellaney
Girl
Ireland
from the river valley
#933
Cullyn
Sullivan & Cullyn
Boy
Ireland
cub or pup
#944
Iean
Sullivan & Iean
Boy
Ireland
God is gracious
#944
Broedy
Sullivan & Broedy
Boy
Ireland
Ditch or muddy place
#952
Karrick
Sullivan & Karrick
Boy
Ireland
Little and dark
#952
Keetan
Sullivan & Keetan
Boy
Ireland
little cat
#955
Eillie
Sullivan & Eillie
Girl
Ireland
Bringer of light
#956
Kaitin
Sullivan & Kaitin
Girl
Ireland
Irish
#957
Liiam
Sullivan & Liiam
Boy
Ireland
strong-willed warrior
#957
Caitlinn
Sullivan & Caitlinn
Girl
Ireland
Irish
#961
Dannan
Sullivan & Dannan
Girl
Ireland
Little fire
#962
Ciara
Sullivan & Ciara
Girl
Ireland
Dark, black, or black-haired
#966
Caoilinn
Sullivan & Caoilinn
Girl
Ireland
Variant of CAOILFHIONN.
#967
Donovan
Sullivan & Donovan
Boy
Ireland
dark warrior
#468
Briana
Sullivan & 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
McCoy
Sullivan & McCoy
Boy
Ireland
son of the son of the captain
#973
Morrighan
Sullivan & Morrighan
Girl
Ireland
great queen
#980
Tierni
Sullivan & Tierni
Girl
Ireland
little land owner, land estate
#992
Cadden
Sullivan & Cadden
Boy
Ireland
warrior
#993
Keivin
Sullivan & Keivin
Boy
Ireland
handsome, beloved
#1000
Meada
Sullivan & Meada
Girl
Ireland
a strong one; a warrior
#504
Erris
Sullivan & Erris
Boy
Ireland
From the ridge.
#506
Robann
Sullivan & Robann
Girl
Ireland
fame; bright; radiant
#507
Dohnovan
Sullivan & Dohnovan
Boy
Ireland
Dark warrior
Kinney
Sullivan & Kinney
Boy
Ireland
descendant of Caoinneach, meaning 'handsome' or 'attractive'
#510
Dublyn
Sullivan & Dublyn
Girl
Ireland
Black pool
Finlea
Sullivan & Finlea
Girl
Ireland
fair-haired hero
Michealene
Sullivan & Michealene
Girl
Ireland
Who is like God?
#516
Graidys
Sullivan & Graidys
Girl
Ireland
Derived from Gráinne, meaning 'love' or 'grace'.
Dooley
Sullivan & Dooley
Boy
Ireland
Defender
Cathlina
Sullivan & Cathlina
Girl
Ireland
pure; unsullied
Esker
Sullivan & Esker
Boy
Ireland
a watercourse, or a river terrace
#525
Conell
Sullivan & Conell
Boy
Ireland
Strong as a wolf
#528
Gaelen
Sullivan & Gaelen
Boy
Ireland
A form of the name 'Gail', meaning 'joyful' or 'cheerful'.; Variant of 'Galen', meaning 'calm' or 'healer'.
#528
Ivor
Sullivan & Ivor
Boy
Ireland
Yew tree
#529
Kilian
Sullivan & Kilian
Boy
Ireland
German form and Irish and French variant of CILLIAN.
Deirra
Sullivan & Deirra
Girl
Ireland
Sorrowful
Donahue
Sullivan & Donahue
Boy
Ireland
Descendant of Donnchadh, meaning 'brown warrior'.
#534
Caullin
Sullivan & Caullin
Boy
Ireland
A variant of the name Colin, which is derived from the Gaelic name ‘Cailean’ meaning ‘young pup’ or ‘whelp’.
Teighan
Sullivan & Teighan
Girl
Ireland
Derived from the Irish surname 'Teigh', meaning 'house or dwelling'.
Toltú
Sullivan & Toltú
Girl
Ireland
One who brings peace.
Nevan
Sullivan & Nevan
Boy
Ireland
Anglicized form of NAOMHÁN.
Correena
Sullivan & Correena
Girl
Ireland
maiden
#539
Kathleen
Sullivan & Kathleen
Girl
Ireland
Anglicized form of CAITLÍN.
#540
Deidri
Sullivan & Deidri
Girl
Ireland
Sorrowful, wailing
#542
Mainhia
Sullivan & Mainhia
Girl
Ireland
tir na nognah, la tierra de la juventud (meaning: land of eternal youth)
#543
Breannon
Sullivan & Breannon
Girl
Ireland
descendant of Braonán
#544
Cathlin
Sullivan & Cathlin
Girl
Ireland
pure
#547
Noleen
Sullivan & Noleen
Girl
Ireland
Famous, noble
#547
Donard
Sullivan & Donard
Boy
Ireland
Donard is derived from the Irish name 'Donard', which means 'world ruler' or 'chief'.
#548
Dinean
Sullivan & Dinean
Girl
Ireland
The name is derived from the word 'dín', meaning 'fortress'.
#549
Quinnell
Sullivan & Quinnell
Boy
Ireland
descendant of Caoinheal
Quinnlan
Sullivan & Quinnlan
Unisex
Ireland
descendant of Caoinlean
Nigell
Sullivan & Nigell
Boy
Ireland
A variant of the name Nigel, derived from the Latin 'Nigellus', meaning 'little black one'.
#554
Cara
Sullivan & Cara
Girl
Ireland
friend
#559
Draiven
Sullivan & Draiven
Boy
Ireland
brave, strong; dear one
Ciarrah
Sullivan & Ciarrah
Girl
Ireland
Little dark one
Caelon
Sullivan & Caelon
Boy
Ireland
Slender; slim
#575
Aiedan
Sullivan & Aiedan
Boy
Ireland
little fire
Meaghann
Sullivan & Meaghann
Girl
Ireland
pearl
#579
Neana
Sullivan & Neana
Girl
Ireland
Word derived from the Irish term for 'little girl'.
#582
McCai
Sullivan & McCai
Boy
Ireland
A beloved name with deep roots
Ethna
Sullivan & Ethna
Girl
Ireland
little fire
#587
Dempsy
Sullivan & Dempsy
Boy
Ireland
A beloved name with deep roots
#588
Wileen
Sullivan & Wileen
Girl
Ireland
delicate
#591
Carven
Sullivan & Carven
Boy
Ireland
A male who is a representative
#594
Kevina
Sullivan & Kevina
Girl
Ireland
Gentle, beautiful; Crowned with beauty
#594
Channon
Sullivan & Channon
Unisex
Ireland
little wolf
#595
Keaghan
Sullivan & Keaghan
Unisex
Ireland
Descendant of Caodhán.
Caetlin
Sullivan & Caetlin
Girl
Ireland
Variant of CAITLIN.
Kathlean
Sullivan & Kathlean
Girl
Ireland
pure
#608
Killien
Sullivan & Killien
Boy
Ireland
Little church.
Brekin
Sullivan & Brekin
Boy
Ireland
freckled
Creedan
Sullivan & Creedan
Boy
Ireland
A descendant of Recta.
Faylin
Sullivan & Faylin
Girl
Ireland
little fairy
Kiean
Sullivan & Kiean
Boy
Ireland
Ancient; enduring
Grainne
Sullivan & Grainne
Girl
Ireland
Goddess of Love, Love, or Grain (from 'gránn', meaning 'grain')
#615
O'Connor
Sullivan & O'Connor
Boy
Ireland
descendant of Conchobhair, meaning 'lover of hounds'
Terrence
Sullivan & Terrence
Boy
Ireland
the tender one
#622
Conor
Sullivan & Conor
Boy
Ireland
lover of hound
#623
Cona
Sullivan & Cona
Girl
Ireland
Wisdom
#624
Kyeron
Sullivan & Kyeron
Boy
Ireland
dark; black
Beanna
Sullivan & Beanna
Girl
Ireland
blessed, holy
#626
Braden
Sullivan & Braden
Boy
Ireland
broad valley
Dermont
Sullivan & Dermont
Boy
Ireland
without a master
#629
Abaigeal
Sullivan & Abaigeal
Girl
Ireland
A variant of Abigail, meaning 'father's joy'.
Tierna
Sullivan & Tierna
Girl
Ireland
little land
Garreth
Sullivan & Garreth
Boy
Ireland
spear; gentle
#638
Kheelan
Sullivan & Kheelan
Boy
Ireland
slender, narrow
LiamMichael
Sullivan & LiamMichael
Boy
Ireland
Liam means 'strong-willed warrior' and Michael means 'who is like God'.