Best Sibling Names for Riordan

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

200 options98 girl117 boy
These sibling names share Riordan's Ireland roots or similar popularity era, and start with a different letter to avoid alliteration.
Nora
Riordan & Nora
Girl
Ireland
honor
#24
Nolan
Riordan & Nolan
Boy
Ireland
Noble, famous
#57
Maeve
Riordan & Maeve
Girl
Ireland
Intoxicating.
#73
Quinn
Riordan & Quinn
Girl
Ireland
From an Irish surname, an Anglicized form of Ó Cuinn meaning "descendant of CONN".
#86
Declan
Riordan & Declan
Boy
Ireland
Anglicized form of Irish Deaglán, which is of unknown meaning. Saint Declan was a 5th-century missionary to Ireland.
#132
Sloane
Riordan & Sloane
Girl
Ireland
From an Irish surname which was derived from an Anglicized form of the given name SLUAGHADHÁN.
#151
Brianna
Riordan & Brianna
Girl
Ireland
Variant of BRIANA.
#152
Finn
Riordan & Finn
Boy
Ireland
fair, white
#186
Brody
Riordan & Brody
Boy
Ireland
ditch, muddy place
#204
Delaney
Riordan & Delaney
Girl
Ireland
From a surname: either the English surname DELANEY (1) or the Irish surname DELANEY (2).
#233
Aidan
Riordan & Aidan
Boy
Ireland
Little fire
#300
Teagan
Riordan & Teagan
Unisex
Ireland
Attractive, beautiful
#309
McKenna
Riordan & McKenna
Girl
Ireland
descendant of the headstrong one
#326
Sullivan
Riordan & 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
Riordan & Desmond
Boy
Ireland
From the grassland village
#399
Callahan
Riordan & Callahan
Unisex
Ireland
little bright-headed
#460
Briana
Riordan & 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
Riordan & Kieran
Boy
Ireland
Little dark one
#477
Finnegan
Riordan & Finnegan
Boy
Ireland
descendant of the fair one
#490
Cassidy
Riordan & Cassidy
Girl
Ireland
From an Irish surname which was derived from Ó Caiside meaning "descendant of CAISIDE".
#496
Daigan
Riordan & Daigan
Boy
Ireland
sorrow or difficulty
#502
Killean
Riordan & Killean
Boy
Ireland
Slender or narrow
#505
Murphy
Riordan & Murphy
Unisex
Ireland
Sea warrior
#519
Cianan
Riordan & Cianan
Boy
Ireland
Ancient; a descendant of Cian.
#522
Coner
Riordan & Coner
Boy
Ireland
a variation of the name Connor
#531
Drennan
Riordan & Drennan
Boy
Ireland
Descendant of Dreánán
#533
Gráinne
Riordan & Gráinne
Girl
Ireland
grain, love
#533
Fionnula
Riordan & Fionnula
Girl
Ireland
White shoulder
#538
Correena
Riordan & Correena
Girl
Ireland
maiden
#539
Blaney
Riordan & Blaney
Unisex
Ireland
daughter of the river
#541
Cian
Riordan & 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
Riordan & Aidann
Boy
Ireland
little fire
#543
Brannick
Riordan & Brannick
Boy
Ireland
Descendant of Bran
#547
Denin
Riordan & Denin
Boy
Ireland
Defender; Descendant of Donn
#547
Kieley
Riordan & Kieley
Girl
Ireland
slender, beautiful
#547
O'Conner
Riordan & O'Conner
Boy
Ireland
A beloved name with deep roots
#552
Covan
Riordan & Covan
Boy
Ireland
young warrior
#566
Caelon
Riordan & Caelon
Boy
Ireland
Slender; slim
#575
Deiren
Riordan & Deiren
Boy
Ireland
Sorrowful; from the sea
#576
Kerlin
Riordan & Kerlin
Girl
Ireland
Little dark one.
#586
Tieg
Riordan & Tieg
Boy
Ireland
a poetic form of the word 'tadhg', meaning 'poet' or 'philosopher'
#588
Dregan
Riordan & Dregan
Boy
Ireland
Little druid
#592
Cillian
Riordan & Cillian
Boy
Ireland
warrior
#594
Caelen
Riordan & Caelen
Boy
Ireland
Irish
#594
Kevina
Riordan & Kevina
Girl
Ireland
Gentle, beautiful; Crowned with beauty
#594
Ailse
Riordan & Ailse
Girl
Ireland
Noble
#597
Gael
Riordan & Gael
Boy
Ireland
a Gael, a person of Gaelic origin; a reference to 'Gale', meaning cheerful or merry
#99
Keilan
Riordan & Keilan
Boy
Ireland
Narrow or skinny; Slender or thin
#603
Aylish
Riordan & Aylish
Girl
Ireland
Derived from 'Ailis,' meaning noble or kind
#611
Coilin
Riordan & Coilin
Boy
Ireland
from 'Caolán', meaning 'slender' or 'narrow'
#612
Padrick
Riordan & Padrick
Boy
Ireland
Noble, patrician
#614
Conor
Riordan & Conor
Boy
Ireland
lover of hound
#623
Donovann
Riordan & Donovann
Boy
Ireland
Dark warrior
#624
Connor
Riordan & Connor
Boy
Ireland
lover of hounds
#126
Keegan
Riordan & Keegan
Boy
Ireland
descendant of Caodhán
#627
Brennick
Riordan & Brennick
Boy
Ireland
Descendant of Braonán
#630
Kayleigh
Riordan & 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
Riordan & Shealan
Girl
Ireland
from the fairy palace; blessed by good fortune
#634
Cailin
Riordan & Cailin
Girl
Ireland
Variant of KAYLYN. It also coincides with the Irish word cailín meaning "girl".
#642
Madden
Riordan & Madden
Boy
Ireland
Little dog
#645
Bronagh
Riordan & Bronagh
Girl
Ireland
sorrowful, sad
#646
Faelan
Riordan & Faelan
Boy
Ireland
little wolf
#648
Caitlyne
Riordan & Caitlyne
Girl
Ireland
pure
#665
Sheriden
Riordan & Sheriden
Girl
Ireland
from the Gaelic 'Searraidhe,' meaning 'descendant of Searrat.'
#671
Clover
Riordan & Clover
Girl
Ireland
A flowering plant that symbolizes good luck.
#672
Corrah
Riordan & Corrah
Girl
Ireland
Heart or a beloved
#682
Keedan
Riordan & Keedan
Boy
Ireland
a descendant of Caedán
#682
Sloan
Riordan & Sloan
Unisex
Ireland
soughing or tranquil river
#689
Cleary
Riordan & Cleary
Unisex
Ireland
Descendant of the cleric
#694
Aaidan
Riordan & Aaidan
Boy
Ireland
little fire
#695
Kielin
Riordan & Kielin
Boy
Ireland
Slender, Fair
#704
Eaden
Riordan & Eaden
Unisex
Ireland
little fire
#706
Muireann
Riordan & Muireann
Girl
Ireland
Sea White
#707
Kiley
Riordan & Kiley
Girl
Ireland
Variant of KYLIE.
#709
Nigíl
Riordan & Nigíl
Boy
Ireland
Champion
#709
Oscar
Riordan & Oscar
Boy
Ireland
deer lover
#216
Patrick
Riordan & 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
Aidrian
Riordan & Aidrian
Boy
Ireland
From the sea
#730
Keavy
Riordan & Keavy
Girl
Ireland
Anglicized form of CAOIMHE.
#730
Shaylin
Riordan & Shaylin
Girl
Ireland
From the fairy palace.; A variant of the name Shailene.
#731
Teige
Riordan & Teige
Boy
Ireland
Folk name meaning 'poet', a diminutive of the name Tadhg.
#736
Tierney
Riordan & Tierney
Girl
Ireland
lord / landowner
#740
Kahlen
Riordan & Kahlen
Unisex
Ireland
Pure, slender
#745
Naileen
Riordan & Naileen
Girl
Ireland
A combination of the name Niamh and the root -leen, suggesting brightness and radiance.
#751
Loagan
Riordan & Loagan
Boy
Ireland
descendant of the warrior
#764
Flynn
Riordan & Flynn
Boy
Ireland
descendant of the red-haired one
#782
McCord
Riordan & McCord
Boy
Ireland
Son of the cord or rope maker; also, a surname that has become popular as a first name.
#790
Kelty
Riordan & Kelty
Girl
Ireland
from the narrow wood; dweller near the woods
#793
Tyghe
Riordan & Tyghe
Boy
Ireland
Derived from 'Tadhg', meaning 'poet' or 'philosopher'.
#795
Bhrianna
Riordan & Bhrianna
Girl
Ireland
exalted; noble
#796
Phinn
Riordan & Phinn
Boy
Ireland
white, fair
#796
Caragan
Riordan & Caragan
Girl
Ireland
little heart
#801
Aeden
Riordan & Aeden
Boy
Ireland
little fire
#805
Brian
Riordan & Brian
Boy
Ireland
noble, strong
#317
Ashlyn
Riordan & Ashlyn
Girl
Ireland
Dream; vision
#831
AidanJohn
Riordan & AidanJohn
Boy
Ireland
little fire; God is gracious
#832
AidenMatthew
Riordan & AidenMatthew
Boy
Ireland
little fire
#838
Aidanjames
Riordan & Aidanjames
Boy
Ireland
Little fire and supplanter
#838
Callan
Riordan & Callan
Unisex
Ireland
Rocky place
#339
Bradan
Riordan & Bradan
Boy
Ireland
descendant of Bradan
#840
Cassady
Riordan & Cassady
Girl
Ireland
Descendant of the warriors; the brave one.
#844
Noelan
Riordan & Noelan
Boy
Ireland
Noble one
#845
Bridan
Riordan & Bridan
Boy
Ireland
One who is brave
#852
Eanna
Riordan & Eanna
Girl
Ireland
the divine, the holy
#856
Eeán
Riordan & Eeán
Boy
Ireland
gift of God
#857
Keating
Riordan & Keating
Unisex
Ireland
descendant of Caointeach; little fire
#861
Cogan
Riordan & Cogan
Boy
Ireland
descendant of the marsh
#864
Kearney
Riordan & Kearney
Unisex
Ireland
Descendant of Ciarán
#865
Eammon
Riordan & Eammon
Boy
Ireland
Wealthy protector
#867
Seonna
Riordan & Seonna
Girl
Ireland
God is gracious
#869
Lhiam
Riordan & Lhiam
Boy
Ireland
A form of William
#880
Kieren
Riordan & Kieren
Unisex
Ireland
Little dark one
#882
Eava
Riordan & Eava
Girl
Ireland
beautiful, radiant
#884
Keatin
Riordan & Keatin
Boy
Ireland
Derived from 'Catherine', meaning 'pure'.
#892
Aiddan
Riordan & Aiddan
Boy
Ireland
little fire; young warrior
#902
Kellan
Riordan & Kellan
Boy
Ireland
slender, narrow
#905
Keenin
Riordan & Keenin
Boy
Ireland
ancient or old
#905
Macalla
Riordan & Macalla
Girl
Ireland
a place of abundance
#916
Ayleen
Riordan & Ayleen
Girl
Ireland
bright, shining light; pure, innocent
#917
Kiera
Riordan & Kiera
Girl
Ireland
little dark one
#919
Aelan
Riordan & Aelan
Girl
Ireland
noble or serene
#921
Sean
Riordan & Sean
Boy
Ireland
Anglicized form of SEÁN.
#427
Dellaney
Riordan & Dellaney
Girl
Ireland
from the river valley
#933
Connar
Riordan & Connar
Boy
Ireland
intrapreneur
#937
Cullyn
Riordan & Cullyn
Boy
Ireland
cub or pup
#944
Iean
Riordan & Iean
Boy
Ireland
God is gracious
#944
Broedy
Riordan & Broedy
Boy
Ireland
Ditch or muddy place
#952
Karrick
Riordan & Karrick
Boy
Ireland
Little and dark
#952
Keetan
Riordan & Keetan
Boy
Ireland
little cat
#955
Eillie
Riordan & Eillie
Girl
Ireland
Bringer of light
#956
Kaitin
Riordan & Kaitin
Girl
Ireland
Irish
#957
Liiam
Riordan & Liiam
Boy
Ireland
strong-willed warrior
#957
Saoirse
Riordan & Saoirse
Girl
Ireland
Freedom
#959
Caitlinn
Riordan & Caitlinn
Girl
Ireland
Irish
#961
Dannan
Riordan & Dannan
Girl
Ireland
Little fire
#962
Ciara
Riordan & Ciara
Girl
Ireland
Dark, black, or black-haired
#966
Caoilinn
Riordan & Caoilinn
Girl
Ireland
Variant of CAOILFHIONN.
#967
Donovan
Riordan & Donovan
Boy
Ireland
dark warrior
#468
McCoy
Riordan & McCoy
Boy
Ireland
son of the son of the captain
#973
Morrighan
Riordan & Morrighan
Girl
Ireland
great queen
#980
Tierni
Riordan & Tierni
Girl
Ireland
little land owner, land estate
#992
Cadden
Riordan & Cadden
Boy
Ireland
warrior
#993
Keivin
Riordan & Keivin
Boy
Ireland
handsome, beloved
#1000
Shavaun
Riordan & Shavaun
Girl
Ireland
From the -shawn family of names
#500
Biranna
Riordan & Biranna
Girl
Ireland
Variant of 'Birn' or 'Birna' which means 'sea' or 'ocean'.
Meada
Riordan & Meada
Girl
Ireland
a strong one; a warrior
#504
Erris
Riordan & Erris
Boy
Ireland
From the ridge.
#506
Dohnovan
Riordan & Dohnovan
Boy
Ireland
Dark warrior
Kinney
Riordan & Kinney
Boy
Ireland
descendant of Caoinneach, meaning 'handsome' or 'attractive'
#510
Dublyn
Riordan & Dublyn
Girl
Ireland
Black pool
Finlea
Riordan & Finlea
Girl
Ireland
fair-haired hero
Michealene
Riordan & Michealene
Girl
Ireland
Who is like God?
#516
Graidys
Riordan & Graidys
Girl
Ireland
Derived from Gráinne, meaning 'love' or 'grace'.
Dooley
Riordan & Dooley
Boy
Ireland
Defender
Cathlina
Riordan & Cathlina
Girl
Ireland
pure; unsullied
Brennan
Riordan & Brennan
Boy
Ireland
Descendant of Braonán; 'Descendant of the sad one'.
Esker
Riordan & Esker
Boy
Ireland
a watercourse, or a river terrace
#525
Conell
Riordan & Conell
Boy
Ireland
Strong as a wolf
#528
Gaelen
Riordan & Gaelen
Boy
Ireland
A form of the name 'Gail', meaning 'joyful' or 'cheerful'.; Variant of 'Galen', meaning 'calm' or 'healer'.
#528
Ivor
Riordan & Ivor
Boy
Ireland
Yew tree
#529
Kilian
Riordan & Kilian
Boy
Ireland
German form and Irish and French variant of CILLIAN.
Deirra
Riordan & Deirra
Girl
Ireland
Sorrowful
Donahue
Riordan & Donahue
Boy
Ireland
Descendant of Donnchadh, meaning 'brown warrior'.
#534
Caullin
Riordan & Caullin
Boy
Ireland
A variant of the name Colin, which is derived from the Gaelic name ‘Cailean’ meaning ‘young pup’ or ‘whelp’.
Teighan
Riordan & Teighan
Girl
Ireland
Derived from the Irish surname 'Teigh', meaning 'house or dwelling'.
Toltú
Riordan & Toltú
Girl
Ireland
One who brings peace.
Nevan
Riordan & Nevan
Boy
Ireland
Anglicized form of NAOMHÁN.
Kathleen
Riordan & Kathleen
Girl
Ireland
Anglicized form of CAITLÍN.
#540
Deidri
Riordan & Deidri
Girl
Ireland
Sorrowful, wailing
#542
Mainhia
Riordan & Mainhia
Girl
Ireland
tir na nognah, la tierra de la juventud (meaning: land of eternal youth)
#543
Breannon
Riordan & Breannon
Girl
Ireland
descendant of Braonán
#544
Cathlin
Riordan & Cathlin
Girl
Ireland
pure
#547
Noleen
Riordan & Noleen
Girl
Ireland
Famous, noble
#547
Donard
Riordan & Donard
Boy
Ireland
Donard is derived from the Irish name 'Donard', which means 'world ruler' or 'chief'.
#548
Dinean
Riordan & Dinean
Girl
Ireland
The name is derived from the word 'dín', meaning 'fortress'.
#549
Quinnell
Riordan & Quinnell
Boy
Ireland
descendant of Caoinheal
Quinnlan
Riordan & Quinnlan
Unisex
Ireland
descendant of Caoinlean
Nigell
Riordan & Nigell
Boy
Ireland
A variant of the name Nigel, derived from the Latin 'Nigellus', meaning 'little black one'.
#554
Cara
Riordan & Cara
Girl
Ireland
friend
#559
Siohban
Riordan & Siohban
Girl
Ireland
God is gracious.
#560
Shevaun
Riordan & Shevaun
Girl
Ireland
Anglicized form of SIOBHÁN.
#561
Draiven
Riordan & Draiven
Boy
Ireland
brave, strong; dear one
Ciarrah
Riordan & Ciarrah
Girl
Ireland
Little dark one
Shivon
Riordan & Shivon
Girl
Ireland
God is gracious
#569
Aiedan
Riordan & Aiedan
Boy
Ireland
little fire
Meaghann
Riordan & Meaghann
Girl
Ireland
pearl
#579
Neana
Riordan & Neana
Girl
Ireland
Word derived from the Irish term for 'little girl'.
#582
McCai
Riordan & McCai
Boy
Ireland
A beloved name with deep roots
Ethna
Riordan & Ethna
Girl
Ireland
little fire
#587
Dempsy
Riordan & Dempsy
Boy
Ireland
A beloved name with deep roots
#588
Wileen
Riordan & Wileen
Girl
Ireland
delicate
#591
Carven
Riordan & Carven
Boy
Ireland
A male who is a representative
#594
Channon
Riordan & Channon
Unisex
Ireland
little wolf
#595
Keaghan
Riordan & Keaghan
Unisex
Ireland
Descendant of Caodhán.
Caetlin
Riordan & Caetlin
Girl
Ireland
Variant of CAITLIN.
Kathlean
Riordan & Kathlean
Girl
Ireland
pure
#608
Killien
Riordan & Killien
Boy
Ireland
Little church.
Brekin
Riordan & Brekin
Boy
Ireland
freckled
Creedan
Riordan & Creedan
Boy
Ireland
A descendant of Recta.
Faylin
Riordan & Faylin
Girl
Ireland
little fairy