Best Sibling Names for Fionna

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

200 options100 girl115 boy
These sibling names share Fionna's Ireland roots or similar popularity era, and start with a different letter to avoid alliteration.
Nora
Fionna & Nora
Girl
Ireland
honor
#24
Riley
Fionna & 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
Fionna & Nolan
Boy
Ireland
Noble, famous
#57
Maeve
Fionna & Maeve
Girl
Ireland
Intoxicating.
#73
Quinn
Fionna & Quinn
Girl
Ireland
From an Irish surname, an Anglicized form of Ó Cuinn meaning "descendant of CONN".
#86
Connor
Fionna & Connor
Boy
Ireland
lover of hounds
#126
Declan
Fionna & Declan
Boy
Ireland
Anglicized form of Irish Deaglán, which is of unknown meaning. Saint Declan was a 5th-century missionary to Ireland.
#132
Sloane
Fionna & Sloane
Girl
Ireland
From an Irish surname which was derived from an Anglicized form of the given name SLUAGHADHÁN.
#151
Brianna
Fionna & Brianna
Girl
Ireland
Variant of BRIANA.
#152
Reagan
Fionna & Reagan
Girl
Ireland
Descendant of Riagán
#168
Brody
Fionna & Brody
Boy
Ireland
ditch, muddy place
#204
Delaney
Fionna & Delaney
Girl
Ireland
From a surname: either the English surname DELANEY (1) or the Irish surname DELANEY (2).
#233
Rory
Fionna & Rory
Unisex
Ireland
red king
#242
Ronan
Fionna & Ronan
Boy
Ireland
little seal
#290
Aidan
Fionna & Aidan
Boy
Ireland
Little fire
#300
Teagan
Fionna & Teagan
Unisex
Ireland
Attractive, beautiful
#309
McKenna
Fionna & McKenna
Girl
Ireland
descendant of the headstrong one
#326
Sullivan
Fionna & 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
Fionna & Desmond
Boy
Ireland
From the grassland village
#399
Callahan
Fionna & Callahan
Unisex
Ireland
little bright-headed
#460
Briana
Fionna & 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
Fionna & Kieran
Boy
Ireland
Little dark one
#477
Cassidy
Fionna & Cassidy
Girl
Ireland
From an Irish surname which was derived from Ó Caiside meaning "descendant of CAISIDE".
#496
Daigan
Fionna & Daigan
Boy
Ireland
sorrow or difficulty
#502
Killean
Fionna & Killean
Boy
Ireland
Slender or narrow
#505
Murphy
Fionna & Murphy
Unisex
Ireland
Sea warrior
#519
Cianan
Fionna & Cianan
Boy
Ireland
Ancient; a descendant of Cian.
#522
Coner
Fionna & Coner
Boy
Ireland
a variation of the name Connor
#531
Drennan
Fionna & Drennan
Boy
Ireland
Descendant of Dreánán
#533
Gráinne
Fionna & Gráinne
Girl
Ireland
grain, love
#533
Correena
Fionna & Correena
Girl
Ireland
maiden
#539
Blaney
Fionna & Blaney
Unisex
Ireland
daughter of the river
#541
Cian
Fionna & 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
Fionna & Aidann
Boy
Ireland
little fire
#543
Brannick
Fionna & Brannick
Boy
Ireland
Descendant of Bran
#547
Denin
Fionna & Denin
Boy
Ireland
Defender; Descendant of Donn
#547
Kieley
Fionna & Kieley
Girl
Ireland
slender, beautiful
#547
O'Conner
Fionna & O'Conner
Boy
Ireland
A beloved name with deep roots
#552
Nigell
Fionna & Nigell
Boy
Ireland
A variant of the name Nigel, derived from the Latin 'Nigellus', meaning 'little black one'.
#554
Covan
Fionna & Covan
Boy
Ireland
young warrior
#566
Rielley
Fionna & Rielley
Girl
Ireland
descendant of the red-haired one
#567
Caelon
Fionna & Caelon
Boy
Ireland
Slender; slim
#575
Deiren
Fionna & Deiren
Boy
Ireland
Sorrowful; from the sea
#576
Ryan
Fionna & 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
Fionna & Kerlin
Girl
Ireland
Little dark one.
#586
Tieg
Fionna & Tieg
Boy
Ireland
a poetic form of the word 'tadhg', meaning 'poet' or 'philosopher'
#588
Dregan
Fionna & Dregan
Boy
Ireland
Little druid
#592
Cillian
Fionna & Cillian
Boy
Ireland
warrior
#594
Caelen
Fionna & Caelen
Boy
Ireland
Irish
#594
Kevina
Fionna & Kevina
Girl
Ireland
Gentle, beautiful; Crowned with beauty
#594
Ailse
Fionna & Ailse
Girl
Ireland
Noble
#597
Gael
Fionna & Gael
Boy
Ireland
a Gael, a person of Gaelic origin; a reference to 'Gale', meaning cheerful or merry
#99
Keilan
Fionna & Keilan
Boy
Ireland
Narrow or skinny; Slender or thin
#603
Aylish
Fionna & Aylish
Girl
Ireland
Derived from 'Ailis,' meaning noble or kind
#611
Coilin
Fionna & Coilin
Boy
Ireland
from 'Caolán', meaning 'slender' or 'narrow'
#612
Padrick
Fionna & Padrick
Boy
Ireland
Noble, patrician
#614
Conor
Fionna & Conor
Boy
Ireland
lover of hound
#623
Donovann
Fionna & Donovann
Boy
Ireland
Dark warrior
#624
Keegan
Fionna & Keegan
Boy
Ireland
descendant of Caodhán
#627
Brennick
Fionna & Brennick
Boy
Ireland
Descendant of Braonán
#630
Kayleigh
Fionna & 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
Fionna & Shealan
Girl
Ireland
from the fairy palace; blessed by good fortune
#634
Cailin
Fionna & Cailin
Girl
Ireland
Variant of KAYLYN. It also coincides with the Irish word cailín meaning "girl".
#642
Madden
Fionna & Madden
Boy
Ireland
Little dog
#645
Bronagh
Fionna & Bronagh
Girl
Ireland
sorrowful, sad
#646
Patrickjames
Fionna & Patrickjames
Boy
Ireland
from 'Patricius', meaning nobleman or patrician.; James is derived from the Hebrew name Yaakov, meaning supplanter.
#663
Caitlyne
Fionna & Caitlyne
Girl
Ireland
pure
#665
Sheriden
Fionna & Sheriden
Girl
Ireland
from the Gaelic 'Searraidhe,' meaning 'descendant of Searrat.'
#671
Clover
Fionna & Clover
Girl
Ireland
A flowering plant that symbolizes good luck.
#672
Corrah
Fionna & Corrah
Girl
Ireland
Heart or a beloved
#682
Keedan
Fionna & Keedan
Boy
Ireland
a descendant of Caedán
#682
Sloan
Fionna & Sloan
Unisex
Ireland
soughing or tranquil river
#689
Cleary
Fionna & Cleary
Unisex
Ireland
Descendant of the cleric
#694
Aaidan
Fionna & Aaidan
Boy
Ireland
little fire
#695
Kielin
Fionna & Kielin
Boy
Ireland
Slender, Fair
#704
Eaden
Fionna & Eaden
Unisex
Ireland
little fire
#706
Muireann
Fionna & Muireann
Girl
Ireland
Sea White
#707
Kiley
Fionna & Kiley
Girl
Ireland
Variant of KYLIE.
#709
Nigíl
Fionna & Nigíl
Boy
Ireland
Champion
#709
Oscar
Fionna & Oscar
Boy
Ireland
deer lover
#216
Patrick
Fionna & 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
Fionna & Rianah
Girl
Ireland
little king; queen
#729
Aidrian
Fionna & Aidrian
Boy
Ireland
From the sea
#730
Keavy
Fionna & Keavy
Girl
Ireland
Anglicized form of CAOIMHE.
#730
Shaylin
Fionna & Shaylin
Girl
Ireland
From the fairy palace.; A variant of the name Shailene.
#731
Teige
Fionna & Teige
Boy
Ireland
Folk name meaning 'poet', a diminutive of the name Tadhg.
#736
Tierney
Fionna & Tierney
Girl
Ireland
lord / landowner
#740
Kahlen
Fionna & Kahlen
Unisex
Ireland
Pure, slender
#745
Naileen
Fionna & Naileen
Girl
Ireland
A combination of the name Niamh and the root -leen, suggesting brightness and radiance.
#751
Loagan
Fionna & Loagan
Boy
Ireland
descendant of the warrior
#764
Rheann
Fionna & Rheann
Girl
Ireland
Great queen or goddess
#768
McCord
Fionna & McCord
Boy
Ireland
Son of the cord or rope maker; also, a surname that has become popular as a first name.
#790
Padriac
Fionna & Padriac
Boy
Ireland
Noble, patrician
#791
Kelty
Fionna & Kelty
Girl
Ireland
from the narrow wood; dweller near the woods
#793
Tyghe
Fionna & Tyghe
Boy
Ireland
Derived from 'Tadhg', meaning 'poet' or 'philosopher'.
#795
Bhrianna
Fionna & Bhrianna
Girl
Ireland
exalted; noble
#796
Phinn
Fionna & Phinn
Boy
Ireland
white, fair
#796
Caragan
Fionna & Caragan
Girl
Ireland
little heart
#801
Aeden
Fionna & Aeden
Boy
Ireland
little fire
#805
Brian
Fionna & Brian
Boy
Ireland
noble, strong
#317
Ashlyn
Fionna & Ashlyn
Girl
Ireland
Dream; vision
#831
AidanJohn
Fionna & AidanJohn
Boy
Ireland
little fire; God is gracious
#832
AidenMatthew
Fionna & AidenMatthew
Boy
Ireland
little fire
#838
Aidanjames
Fionna & Aidanjames
Boy
Ireland
Little fire and supplanter
#838
Callan
Fionna & Callan
Unisex
Ireland
Rocky place
#339
Bradan
Fionna & Bradan
Boy
Ireland
descendant of Bradan
#840
Cassady
Fionna & Cassady
Girl
Ireland
Descendant of the warriors; the brave one.
#844
Noelan
Fionna & Noelan
Boy
Ireland
Noble one
#845
Bridan
Fionna & Bridan
Boy
Ireland
One who is brave
#852
Eanna
Fionna & Eanna
Girl
Ireland
the divine, the holy
#856
Eeán
Fionna & Eeán
Boy
Ireland
gift of God
#857
Keating
Fionna & Keating
Unisex
Ireland
descendant of Caointeach; little fire
#861
Cogan
Fionna & Cogan
Boy
Ireland
descendant of the marsh
#864
Kearney
Fionna & Kearney
Unisex
Ireland
Descendant of Ciarán
#865
Eammon
Fionna & Eammon
Boy
Ireland
Wealthy protector
#867
Seonna
Fionna & Seonna
Girl
Ireland
God is gracious
#869
Lhiam
Fionna & Lhiam
Boy
Ireland
A form of William
#880
Kieren
Fionna & Kieren
Unisex
Ireland
Little dark one
#882
Eava
Fionna & Eava
Girl
Ireland
beautiful, radiant
#884
Keatin
Fionna & Keatin
Boy
Ireland
Derived from 'Catherine', meaning 'pure'.
#892
Aiddan
Fionna & Aiddan
Boy
Ireland
little fire; young warrior
#902
Kellan
Fionna & Kellan
Boy
Ireland
slender, narrow
#905
Keenin
Fionna & Keenin
Boy
Ireland
ancient or old
#905
Macalla
Fionna & Macalla
Girl
Ireland
a place of abundance
#916
Ayleen
Fionna & Ayleen
Girl
Ireland
bright, shining light; pure, innocent
#917
Kiera
Fionna & Kiera
Girl
Ireland
little dark one
#919
Aelan
Fionna & Aelan
Girl
Ireland
noble or serene
#921
Sean
Fionna & Sean
Boy
Ireland
Anglicized form of SEÁN.
#427
Dellaney
Fionna & Dellaney
Girl
Ireland
from the river valley
#933
Connar
Fionna & Connar
Boy
Ireland
intrapreneur
#937
Cullyn
Fionna & Cullyn
Boy
Ireland
cub or pup
#944
Iean
Fionna & Iean
Boy
Ireland
God is gracious
#944
Broedy
Fionna & Broedy
Boy
Ireland
Ditch or muddy place
#952
Karrick
Fionna & Karrick
Boy
Ireland
Little and dark
#952
Keetan
Fionna & Keetan
Boy
Ireland
little cat
#955
Eillie
Fionna & Eillie
Girl
Ireland
Bringer of light
#956
Kaitin
Fionna & Kaitin
Girl
Ireland
Irish
#957
Liiam
Fionna & Liiam
Boy
Ireland
strong-willed warrior
#957
Saoirse
Fionna & Saoirse
Girl
Ireland
Freedom
#959
Caitlinn
Fionna & Caitlinn
Girl
Ireland
Irish
#961
Dannan
Fionna & Dannan
Girl
Ireland
Little fire
#962
Ciara
Fionna & Ciara
Girl
Ireland
Dark, black, or black-haired
#966
Caoilinn
Fionna & Caoilinn
Girl
Ireland
Variant of CAOILFHIONN.
#967
Donovan
Fionna & Donovan
Boy
Ireland
dark warrior
#468
McCoy
Fionna & McCoy
Boy
Ireland
son of the son of the captain
#973
Morrighan
Fionna & Morrighan
Girl
Ireland
great queen
#980
Tierni
Fionna & Tierni
Girl
Ireland
little land owner, land estate
#992
Cadden
Fionna & Cadden
Boy
Ireland
warrior
#993
Keivin
Fionna & Keivin
Boy
Ireland
handsome, beloved
#1000
Shavaun
Fionna & Shavaun
Girl
Ireland
From the -shawn family of names
#500
Biranna
Fionna & Biranna
Girl
Ireland
Variant of 'Birn' or 'Birna' which means 'sea' or 'ocean'.
Meada
Fionna & Meada
Girl
Ireland
a strong one; a warrior
#504
Erris
Fionna & Erris
Boy
Ireland
From the ridge.
#506
Robann
Fionna & Robann
Girl
Ireland
fame; bright; radiant
#507
Dohnovan
Fionna & Dohnovan
Boy
Ireland
Dark warrior
Kinney
Fionna & Kinney
Boy
Ireland
descendant of Caoinneach, meaning 'handsome' or 'attractive'
#510
Dublyn
Fionna & Dublyn
Girl
Ireland
Black pool
Michealene
Fionna & Michealene
Girl
Ireland
Who is like God?
#516
Graidys
Fionna & Graidys
Girl
Ireland
Derived from Gráinne, meaning 'love' or 'grace'.
Dooley
Fionna & Dooley
Boy
Ireland
Defender
Cathlina
Fionna & Cathlina
Girl
Ireland
pure; unsullied
Brennan
Fionna & Brennan
Boy
Ireland
Descendant of Braonán; 'Descendant of the sad one'.
Esker
Fionna & Esker
Boy
Ireland
a watercourse, or a river terrace
#525
Conell
Fionna & Conell
Boy
Ireland
Strong as a wolf
#528
Gaelen
Fionna & Gaelen
Boy
Ireland
A form of the name 'Gail', meaning 'joyful' or 'cheerful'.; Variant of 'Galen', meaning 'calm' or 'healer'.
#528
Ivor
Fionna & Ivor
Boy
Ireland
Yew tree
#529
Kilian
Fionna & Kilian
Boy
Ireland
German form and Irish and French variant of CILLIAN.
Deirra
Fionna & Deirra
Girl
Ireland
Sorrowful
Donahue
Fionna & Donahue
Boy
Ireland
Descendant of Donnchadh, meaning 'brown warrior'.
#534
Caullin
Fionna & Caullin
Boy
Ireland
A variant of the name Colin, which is derived from the Gaelic name ‘Cailean’ meaning ‘young pup’ or ‘whelp’.
Teighan
Fionna & Teighan
Girl
Ireland
Derived from the Irish surname 'Teigh', meaning 'house or dwelling'.
Toltú
Fionna & Toltú
Girl
Ireland
One who brings peace.
Nevan
Fionna & Nevan
Boy
Ireland
Anglicized form of NAOMHÁN.
Catelin
Fionna & Catelin
Girl
Ireland
pure
Kathleen
Fionna & Kathleen
Girl
Ireland
Anglicized form of CAITLÍN.
#540
Deidri
Fionna & Deidri
Girl
Ireland
Sorrowful, wailing
#542
Mainhia
Fionna & Mainhia
Girl
Ireland
tir na nognah, la tierra de la juventud (meaning: land of eternal youth)
#543
SeanPatrick
Fionna & SeanPatrick
Boy
Ireland
God is gracious; nobleman
Breannon
Fionna & Breannon
Girl
Ireland
descendant of Braonán
#544
Cathlin
Fionna & Cathlin
Girl
Ireland
pure
#547
Noleen
Fionna & Noleen
Girl
Ireland
Famous, noble
#547
Donard
Fionna & Donard
Boy
Ireland
Donard is derived from the Irish name 'Donard', which means 'world ruler' or 'chief'.
#548
Dinean
Fionna & Dinean
Girl
Ireland
The name is derived from the word 'dín', meaning 'fortress'.
#549
Quinnell
Fionna & Quinnell
Boy
Ireland
descendant of Caoinheal
Quinnlan
Fionna & Quinnlan
Unisex
Ireland
descendant of Caoinlean
Cara
Fionna & Cara
Girl
Ireland
friend
#559
Siohban
Fionna & Siohban
Girl
Ireland
God is gracious.
#560
Shevaun
Fionna & Shevaun
Girl
Ireland
Anglicized form of SIOBHÁN.
#561
Draiven
Fionna & Draiven
Boy
Ireland
brave, strong; dear one
Ciarrah
Fionna & Ciarrah
Girl
Ireland
Little dark one
Shivon
Fionna & Shivon
Girl
Ireland
God is gracious
#569
Aiedan
Fionna & Aiedan
Boy
Ireland
little fire
Meaghann
Fionna & Meaghann
Girl
Ireland
pearl
#579
Neana
Fionna & Neana
Girl
Ireland
Word derived from the Irish term for 'little girl'.
#582
McCai
Fionna & McCai
Boy
Ireland
A beloved name with deep roots
Ethna
Fionna & Ethna
Girl
Ireland
little fire
#587
Dempsy
Fionna & Dempsy
Boy
Ireland
A beloved name with deep roots
#588
Wileen
Fionna & Wileen
Girl
Ireland
delicate
#591
Carven
Fionna & Carven
Boy
Ireland
A male who is a representative
#594
Channon
Fionna & Channon
Unisex
Ireland
little wolf
#595