Best Sibling Names for Cassidy

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

200 options200 girl29 boy
These sibling names share Cassidy's Ireland roots or similar popularity era, and start with a different letter to avoid alliteration.
Nora
Cassidy & Nora
Girl
Ireland
honor
#24
Riley
Cassidy & 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
Quinn
Cassidy & Quinn
Girl
Ireland
From an Irish surname, an Anglicized form of Ó Cuinn meaning "descendant of CONN".
#86
Sloane
Cassidy & Sloane
Girl
Ireland
From an Irish surname which was derived from an Anglicized form of the given name SLUAGHADHÁN.
#151
Brianna
Cassidy & Brianna
Girl
Ireland
Variant of BRIANA.
#152
Reagan
Cassidy & Reagan
Girl
Ireland
Descendant of Riagán
#168
Delaney
Cassidy & Delaney
Girl
Ireland
From a surname: either the English surname DELANEY (1) or the Irish surname DELANEY (2).
#233
Teagan
Cassidy & Teagan
Unisex
Ireland
Attractive, beautiful
#309
McKenna
Cassidy & McKenna
Girl
Ireland
descendant of the headstrong one
#326
Briana
Cassidy & 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
Shavaun
Cassidy & Shavaun
Girl
Ireland
From the -shawn family of names
#500
Fionnula
Cassidy & Fionnula
Girl
Ireland
White shoulder
#538
Blaney
Cassidy & Blaney
Unisex
Ireland
daughter of the river
#541
Mainhia
Cassidy & Mainhia
Girl
Ireland
tir na nognah, la tierra de la juventud (meaning: land of eternal youth)
#543
Breannon
Cassidy & Breannon
Girl
Ireland
descendant of Braonán
#544
Kieley
Cassidy & Kieley
Girl
Ireland
slender, beautiful
#547
Siohban
Cassidy & Siohban
Girl
Ireland
God is gracious.
#560
Shevaun
Cassidy & Shevaun
Girl
Ireland
Anglicized form of SIOBHÁN.
#561
Rielley
Cassidy & Rielley
Girl
Ireland
descendant of the red-haired one
#567
Shivon
Cassidy & Shivon
Girl
Ireland
God is gracious
#569
Maeve
Cassidy & Maeve
Girl
Ireland
Intoxicating.
#73
Meaghann
Cassidy & Meaghann
Girl
Ireland
pearl
#579
Neana
Cassidy & Neana
Girl
Ireland
Word derived from the Irish term for 'little girl'.
#582
Kerlin
Cassidy & Kerlin
Girl
Ireland
Little dark one.
#586
Kevina
Cassidy & Kevina
Girl
Ireland
Gentle, beautiful; Crowned with beauty
#594
Aylish
Cassidy & Aylish
Girl
Ireland
Derived from 'Ailis,' meaning noble or kind
#611
Grainne
Cassidy & Grainne
Girl
Ireland
Goddess of Love, Love, or Grain (from 'gránn', meaning 'grain')
#615
Kayleigh
Cassidy & 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
Cassidy & Shealan
Girl
Ireland
from the fairy palace; blessed by good fortune
#634
Bronagh
Cassidy & Bronagh
Girl
Ireland
sorrowful, sad
#646
Erin
Cassidy & Erin
Girl
Ireland
Anglicized form of EIREANN. It has been used as a given name since the middle of the 20th century.
#653
Shivonne
Cassidy & Shivonne
Girl
Ireland
God is gracious
#665
Sheriden
Cassidy & Sheriden
Girl
Ireland
from the Gaelic 'Searraidhe,' meaning 'descendant of Searrat.'
#671
Maeghan
Cassidy & Maeghan
Girl
Ireland
Variant of MEGAN.
#685
Fallon
Cassidy & Fallon
Girl
Ireland
From an Irish surname which was derived from Ó Fallamhain meaning "descendant of Fallamhan". The given name Fallamhan meant "leader". It was popularized in the 1980s by a character on the soap opera 'Dynasty'.
#688
Sloan
Cassidy & Sloan
Unisex
Ireland
soughing or tranquil river
#689
Eaden
Cassidy & Eaden
Unisex
Ireland
little fire
#706
Muireann
Cassidy & Muireann
Girl
Ireland
Sea White
#707
Kiley
Cassidy & Kiley
Girl
Ireland
Variant of KYLIE.
#709
Rianah
Cassidy & Rianah
Girl
Ireland
little king; queen
#729
Keavy
Cassidy & Keavy
Girl
Ireland
Anglicized form of CAOIMHE.
#730
Shaylin
Cassidy & Shaylin
Girl
Ireland
From the fairy palace.; A variant of the name Shailene.
#731
Erine
Cassidy & Erine
Girl
Ireland
peace
#735
Tierney
Cassidy & Tierney
Girl
Ireland
lord / landowner
#740
Shanny
Cassidy & Shanny
Girl
Ireland
from the old oak tree
#741
Rory
Cassidy & Rory
Unisex
Ireland
red king
#242
Kahlen
Cassidy & Kahlen
Unisex
Ireland
Pure, slender
#745
Meagan
Cassidy & Meagan
Girl
Ireland
Pearl
#747
Naileen
Cassidy & Naileen
Girl
Ireland
A combination of the name Niamh and the root -leen, suggesting brightness and radiance.
#751
Keaire
Cassidy & Keaire
Unisex
Ireland
Dark-haired
#760
Rheann
Cassidy & Rheann
Girl
Ireland
Great queen or goddess
#768
Shioban
Cassidy & Shioban
Girl
Ireland
God is gracious
#781
Kelty
Cassidy & Kelty
Girl
Ireland
from the narrow wood; dweller near the woods
#793
Bhrianna
Cassidy & Bhrianna
Girl
Ireland
exalted; noble
#796
Ashlyn
Cassidy & Ashlyn
Girl
Ireland
Dream; vision
#831
Eanna
Cassidy & Eanna
Girl
Ireland
the divine, the holy
#856
Farran
Cassidy & Farran
Girl
Ireland
From an English surname which was derived from Old French ferrant meaning "iron grey".
#856
Aishling
Cassidy & Aishling
Girl
Ireland
dream, vision; poetic vision
#861
Keating
Cassidy & Keating
Unisex
Ireland
descendant of Caointeach; little fire
#861
Kearney
Cassidy & Kearney
Unisex
Ireland
Descendant of Ciarán
#865
Seonna
Cassidy & Seonna
Girl
Ireland
God is gracious
#869
Kieren
Cassidy & Kieren
Unisex
Ireland
Little dark one
#882
Eava
Cassidy & Eava
Girl
Ireland
beautiful, radiant
#884
Lierin
Cassidy & Lierin
Girl
Ireland
Lyric; a form of song
#904
Macalla
Cassidy & Macalla
Girl
Ireland
a place of abundance
#916
Ayleen
Cassidy & Ayleen
Girl
Ireland
bright, shining light; pure, innocent
#917
Kiera
Cassidy & Kiera
Girl
Ireland
little dark one
#919
Aelan
Cassidy & Aelan
Girl
Ireland
noble or serene
#921
Arinn
Cassidy & Arinn
Girl
Ireland
A variant of the name 'Erin', which refers to 'Ireland'.
#933
Dellaney
Cassidy & Dellaney
Girl
Ireland
from the river valley
#933
Falan
Cassidy & Falan
Girl
Ireland
little bird
#944
Shanade
Cassidy & Shanade
Girl
Ireland
a combination of 'shana' (old) and 'de' (of)
#946
Eillie
Cassidy & Eillie
Girl
Ireland
Bringer of light
#956
Kaitin
Cassidy & Kaitin
Girl
Ireland
Irish
#957
Dannan
Cassidy & Dannan
Girl
Ireland
Little fire
#962
Shauna
Cassidy & Shauna
Girl
Ireland
God is gracious
#962
Morrighan
Cassidy & Morrighan
Girl
Ireland
great queen
#980
Tierni
Cassidy & Tierni
Girl
Ireland
little land owner, land estate
#992
Biranna
Cassidy & Biranna
Girl
Ireland
Variant of 'Birn' or 'Birna' which means 'sea' or 'ocean'.
Meada
Cassidy & Meada
Girl
Ireland
a strong one; a warrior
#504
Robann
Cassidy & Robann
Girl
Ireland
fame; bright; radiant
#507
Hannon
Cassidy & Hannon
Unisex
Ireland
descendant of the handsome one
Dublyn
Cassidy & Dublyn
Girl
Ireland
Black pool
Finlea
Cassidy & Finlea
Girl
Ireland
fair-haired hero
Michealene
Cassidy & Michealene
Girl
Ireland
Who is like God?
#516
Graidys
Cassidy & Graidys
Girl
Ireland
Derived from Gráinne, meaning 'love' or 'grace'.
Murphy
Cassidy & Murphy
Unisex
Ireland
Sea warrior
#519
Tarin
Cassidy & Tarin
Unisex
Ireland
a variant of the name Tara
Maigan
Cassidy & Maigan
Girl
Ireland
A variant of Megan, meaning 'little pearl'.
Deirra
Cassidy & Deirra
Girl
Ireland
Sorrowful
Gráinne
Cassidy & Gráinne
Girl
Ireland
grain, love
#533
Teighan
Cassidy & Teighan
Girl
Ireland
Derived from the Irish surname 'Teigh', meaning 'house or dwelling'.
Kathleen
Cassidy & Kathleen
Girl
Ireland
Anglicized form of CAITLÍN.
#540
Deidri
Cassidy & Deidri
Girl
Ireland
Sorrowful, wailing
#542
Noleen
Cassidy & Noleen
Girl
Ireland
Famous, noble
#547
Dinean
Cassidy & Dinean
Girl
Ireland
The name is derived from the word 'dín', meaning 'fortress'.
#549
Devann
Cassidy & Devann
Girl
Ireland
Irish
Quinnlan
Cassidy & Quinnlan
Unisex
Ireland
descendant of Caoinlean
Daidre
Cassidy & Daidre
Girl
Ireland
mortal, broken-hearted
Ethna
Cassidy & Ethna
Girl
Ireland
little fire
#587
Wileen
Cassidy & Wileen
Girl
Ireland
delicate
#591
Ailse
Cassidy & Ailse
Girl
Ireland
Noble
#597
Keaghan
Cassidy & Keaghan
Unisex
Ireland
Descendant of Caodhán.
Kathlean
Cassidy & Kathlean
Girl
Ireland
pure
#608
Faylin
Cassidy & Faylin
Girl
Ireland
little fairy
Beanna
Cassidy & Beanna
Girl
Ireland
blessed, holy
#626
Abaigeal
Cassidy & Abaigeal
Girl
Ireland
A variant of Abigail, meaning 'father's joy'.
Tierna
Cassidy & Tierna
Girl
Ireland
little land
Brieona
Cassidy & Brieona
Girl
Ireland
Noble
Orla
Cassidy & Orla
Unisex
Ireland
Meaning 'golden princess'.
#647
Dennine
Cassidy & Dennine
Girl
Ireland
little brown one
#650
Kerrian
Cassidy & Kerrian
Girl
Ireland
descendant of Ciardha
Shiobhan
Cassidy & Shiobhan
Girl
Ireland
Derived from the name Siobhán, meaning 'God is gracious'.
#662
Siovhan
Cassidy & Siovhan
Girl
Ireland
God is gracious.
Triona
Cassidy & Triona
Girl
Ireland
Derived from the Irish word 'tríona', meaning 'third', but often connected to the name of the goddess associated with th
Marcail
Cassidy & Marcail
Girl
Ireland
sword
Murtha
Cassidy & Murtha
Unisex
Ireland
sea warrior
#672
Trionna
Cassidy & Trionna
Girl
Ireland
town dweller
Kathleeen
Cassidy & Kathleeen
Girl
Ireland
Irish
#675
Iseult
Cassidy & Iseult
Girl
Ireland
contrast, radiant
Rian
Cassidy & Rian
Unisex
Ireland
little king
Mackenna
Cassidy & Mackenna
Girl
Ireland
son of the hero
Mariellen
Cassidy & Mariellen
Girl
Ireland
sea of bitterness
#697
Dierdre
Cassidy & Dierdre
Girl
Ireland
sorrow, broken-hearted
#698
Shenan
Cassidy & Shenan
Unisex
Ireland
Derived from 'sionnach,' meaning 'fox'
#702
Ellen
Cassidy & Ellen
Girl
Ireland
Light, torch, bright one
#726
Kerin
Cassidy & Kerin
Unisex
Ireland
little dark one
#732
Brannigan
Cassidy & Brannigan
Unisex
Ireland
descendant of Bran
Nola
Cassidy & Nola
Girl
Ireland
Famous; from the place of the fair; known
#740
Riayn
Cassidy & Riayn
Girl
Ireland
little king
Thada
Cassidy & Thada
Girl
Ireland
Brave
#742
Dorra
Cassidy & Dorra
Girl
Ireland
Sister, friend; Gift
#749
Greidy
Cassidy & Greidy
Girl
Ireland
Noble or majestic
Keelia
Cassidy & Keelia
Girl
Ireland
slender, slender one
Kilie
Cassidy & Kilie
Girl
Ireland
slender, fair
Eibhlin
Cassidy & Eibhlin
Girl
Ireland
desired; longed for
norinne
Cassidy & norinne
Girl
Ireland
light, bright
#763
Rreanna
Cassidy & Rreanna
Girl
Ireland
Little queen
Shaughnessy
Cassidy & Shaughnessy
Girl
Ireland
from the fort of the deer.
Dolline
Cassidy & Dolline
Girl
Ireland
Dark haired
#765
Maireli
Cassidy & Maireli
Girl
Ireland
Bitter
Mayher
Cassidy & Mayher
Girl
Ireland
derived from the word 'maith,' meaning good or virtuous
Seaneen
Cassidy & Seaneen
Girl
Ireland
a variant of Sinead or Jane
#787
Aibhilin
Cassidy & Aibhilin
Girl
Ireland
Little Eve
Aileen
Cassidy & Aileen
Girl
Ireland
Noble, bright; the radiant one.
#798
Doyla
Cassidy & Doyla
Girl
Ireland
Dark-haired; a descendant of the dark one
#800
Kaitlin
Cassidy & Kaitlin
Girl
Ireland
Pure, clear
Irelan
Cassidy & Irelan
Girl
Ireland
from the land of the Irish
Donie
Cassidy & Donie
Girl
Ireland
Dark-haired
#815
Healy
Cassidy & Healy
Girl
Ireland
Descendant of the noble one
Fiana
Cassidy & Fiana
Girl
Ireland
fair, white
Briena
Cassidy & Briena
Girl
Ireland
Strong and virtuous
Meagin
Cassidy & Meagin
Girl
Ireland
meaning 'gift' or 'blessing'
Immogene
Cassidy & Immogene
Girl
Ireland
noble, kind
#830
Kealy
Cassidy & Kealy
Girl
Ireland
Slender
Kierney
Cassidy & Kierney
Girl
Ireland
Descendant of Ciarán
Katheen
Cassidy & Katheen
Girl
Ireland
pure, clear
#835
Biddy
Cassidy & Biddy
Girl
Ireland
Diminutive of BRIDGET.
#839
Dineen
Cassidy & Dineen
Girl
Ireland
descendant of Dineen, meaning 'little black one' or 'dark.'
#840
Sheona
Cassidy & Sheona
Girl
Ireland
God is gracious
Benet
Cassidy & Benet
Unisex
Ireland
blessed; well-born
Shelagh
Cassidy & Shelagh
Girl
Ireland
From the islet by the river
#857
Keaghlan
Cassidy & Keaghlan
Girl
Ireland
Descendant of Ceaghal; probably derived from 'Keagh' meaning 'spear'.
Neasa
Cassidy & Neasa
Girl
Ireland
Meaning uncertain. In Irish legend she was the mother of Conchobhar, king of Ulster.
Meagen
Cassidy & Meagen
Girl
Ireland
pearl
Aislinn
Cassidy & Aislinn
Girl
Ireland
dream, vision
Michaleen
Cassidy & Michaleen
Girl
Ireland
A form of the name Michael, meaning 'who is like God?'
#879
Shaelin
Cassidy & Shaelin
Girl
Ireland
Slender.
Korri
Cassidy & Korri
Girl
Ireland
from the hollow
#885
Eibhleann
Cassidy & Eibhleann
Girl
Ireland
radiant, beautiful spirit
KIEVA
Cassidy & KIEVA
Girl
Ireland
gentle; beautiful
#886
Eithne
Cassidy & Eithne
Girl
Ireland
kernel, grain, or little fire
Briona
Cassidy & Briona
Girl
Ireland
High, noble
Eilise
Cassidy & Eilise
Girl
Ireland
God is my oath
Teirney
Cassidy & Teirney
Girl
Ireland
derived from the Irish surname O'Teairnfhiodh
Shinead
Cassidy & Shinead
Girl
Ireland
sight, with a beauty that is radiant
Deise
Cassidy & Deise
Girl
Ireland
Deise is derived from the word 'Deiscirt,' meaning 'south' in Irish, and refers to the southern portion of Ireland.
Maigon
Cassidy & Maigon
Girl
Ireland
Gaelic
Breonah
Cassidy & Breonah
Girl
Ireland
A strong woman
Sinea
Cassidy & Sinea
Girl
Ireland
An unimaginative and common person's name
Aeleen
Cassidy & Aeleen
Girl
Ireland
Bright, shining light
Kerrin
Cassidy & Kerrin
Girl
Ireland
descendant of Ciardha; dark
#943
Mairenn
Cassidy & Mairenn
Girl
Ireland
Of the sea
Marrin
Cassidy & Marrin
Unisex
Ireland
sea circle
Kaegan
Cassidy & Kaegan
Unisex
Ireland
descendant of the fiery one
Bridey
Cassidy & Bridey
Girl
Ireland
strong, exalted
#953
Shanne
Cassidy & Shanne
Unisex
Ireland
The Goddess of the Moon
#954
Saoirse
Cassidy & Saoirse
Girl
Ireland
Freedom
#959
Shaleigh
Cassidy & Shaleigh
Girl
Ireland
Irish
Donnamarie
Cassidy & Donnamarie
Girl
Ireland
noble woman
#963
Katlin
Cassidy & Katlin
Girl
Ireland
pure; derived from Katherine
Keeghan
Cassidy & Keeghan
Unisex
Ireland
Descendant of Caodhgan
Biddie
Cassidy & Biddie
Girl
Ireland
exalted one
#984
Bridgitte
Cassidy & Bridgitte
Girl
Ireland
Exalted one.
#985
Keri
Cassidy & Keri
Girl
Ireland
little dark one
#986
Morrissey
Cassidy & Morrissey
Unisex
Ireland
descendant of the sea
Kiare
Cassidy & Kiare
Unisex
Ireland
dark-haired
Kiva
Cassidy & Kiva
Girl
Ireland
Hollow or a type of traditional stone house
#994
Shay
Cassidy & Shay
Unisex
Ireland
admirable, hawk
#999
Deardra
Cassidy & Deardra
Girl
Ireland
Sorrowful; broken-hearted