Best Sibling Names for Cosmas

Names chosen to complement Cosmas — matching origin (Greece), era, and style.

200 options109 girl99 boy
These sibling names share Cosmas's Greece roots or similar popularity era, and start with a different letter to avoid alliteration.
Sophia
Cosmas & Sophia
Girl
Greece
wisdom
#5
Theodore
Cosmas & Theodore
Boy
Greece
Theodōros (Θεόδωρος), meaning 'gift of God'.
#7
Sofia
Cosmas & Sofia
Girl
Greece
Greek
#12
Alexander
Cosmas & Alexander
Boy
Greece
defender of the people
#22
Luke
Cosmas & Luke
Boy
Greece
Greek
#31
Elias
Cosmas & Elias
Boy
Greece
Ελίας - 'Yahweh is my God'
#36
Athena
Cosmas & Athena
Girl
Greece
Goddess of wisdom and warfare
#76
Nicholas
Cosmas & Nicholas
Boy
Greece
victory of the people
#109
Alex
Cosmas & Alex
Boy
Greece
Greek
#203
Alexandra
Cosmas & Alexandra
Girl
Greece
defender of mankind
#204
Khloe
Cosmas & Khloe
Girl
Greece
young green shoot, bud
#216
Phoenix
Cosmas & Phoenix
Unisex
Greece
Greek
#269
Thea
Cosmas & Thea
Girl
Greece
In Greek, Thea (Θεά) means 'goddess' or 'divine.'
#321
Orion
Cosmas & Orion
Boy
Greece
Greek
#373
Demi
Cosmas & Demi
Girl
Greece
half
#394
Ares
Cosmas & Ares
Boy
Greece
Greek
#414
Apollo
Cosmas & Apollo
Boy
Greece
of Apollo, god of the sun, music, and prophecy
#434
Alexis
Cosmas & Alexis
Unisex
Greece
Greek
#448
Atreus
Cosmas & Atreus
Boy
Greece
Greek
#457
Maia
Cosmas & Maia
Girl
Greece
mother, nurse
#459
Lyra
Cosmas & Lyra
Girl
Greece
lyre, a stringed musical instrument
#482
Karissia
Cosmas & Karissia
Girl
Greece
grace; kindness
#501
Maxis
Cosmas & Maxis
Boy
Greece
the greatest
#501
Sophiamaria
Cosmas & Sophiamaria
Girl
Greece
Greek
#502
Megale
Cosmas & Megale
Boy
Greece
Greek
#503
Philix
Cosmas & Philix
Boy
Greece
Greek
#506
Kazandra
Cosmas & Kazandra
Girl
Greece
defender of man
#512
Alizander
Cosmas & Alizander
Boy
Greece
Greek
#521
Alecxis
Cosmas & Alecxis
Boy
Greece
defender of mankind
#522
Ilaina
Cosmas & Ilaina
Girl
Greece
shining light
#525
Alexius
Cosmas & Alexius
Girl
Greece
Αλέξιος (Defender)
#535
Amarantha
Cosmas & Amarantha
Girl
Greece
unfading
#537
Thomas
Cosmas & Thomas
Boy
Greece
Twin
#41
Xenon
Cosmas & Xenon
Boy
Greece
Stranger
#542
Leto
Cosmas & Leto
Unisex
Greece
hidden
#543
Demetrion
Cosmas & Demetrion
Boy
Greece
Follower of Demeter; earth mother.
#545
Synaia
Cosmas & Synaia
Girl
Greece
from Sinai
#549
Andreous
Cosmas & Andreous
Boy
Greece
Greek
#558
Sebastyn
Cosmas & Sebastyn
Boy
Greece
Σεβαστιανός (Sebastianós) - Venerable, revered
#558
Andrue
Cosmas & Andrue
Boy
Greece
manly
#560
Demetrian
Cosmas & Demetrian
Boy
Greece
follower of Demeter
#563
Andrew
Cosmas & Andrew
Boy
Greece
Greek
#65
Persephony
Cosmas & Persephony
Girl
Greece
bringer of destruction
#571
Nikolus
Cosmas & Nikolus
Boy
Greece
victory of the people
#576
Ioseph
Cosmas & Ioseph
Boy
Greece
יוסף (Yosef): 'He will add'
#578
Theo
Cosmas & Theo
Unisex
Greece
Divine gift
#78
Sasia
Cosmas & Sasia
Girl
Greece
the gift of the goddess
#585
Nautia
Cosmas & Nautia
Girl
Greece
of the sea
#594
Lydia
Cosmas & Lydia
Girl
Greece
from Lydia
#95
Konstantino
Cosmas & Konstantino
Boy
Greece
Constant, steadfast
#604
Damian
Cosmas & Damian
Boy
Greece
Greek
#108
Evangelena
Cosmas & Evangelena
Girl
Greece
Greek
#617
Aglaé
Cosmas & Aglaé
Girl
Greece
brightness, splendor
#624
Mayas
Cosmas & Mayas
Boy
Greece
the brave one
#626
Nycholas
Cosmas & Nycholas
Boy
Greece
victory of the people
#627
Melanie
Cosmas & Melanie
Girl
Greece
Dark-skinned or black.
#130
Aleithia
Cosmas & Aleithia
Girl
Greece
Truth
#636
Dmetrius
Cosmas & Dmetrius
Boy
Greece
follower of Demeter
#636
Nesia
Cosmas & Nesia
Girl
Greece
Derived from 'nesos' meaning 'island' or a diminutive of 'Nesia,' often related to goddess names.
#637
Ilithya
Cosmas & Ilithya
Girl
Greece
Greek
#648
Leon
Cosmas & Leon
Boy
Greece
Meaning 'lion'
#148
Alexandreia
Cosmas & Alexandreia
Girl
Greece
defender of mankind
#650
Erini
Cosmas & Erini
Girl
Greece
Peace
#651
Klhroe
Cosmas & Klhroe
Girl
Greece
Greek
#652
Sopia
Cosmas & Sopia
Girl
Greece
Greek
#653
Perseis
Cosmas & Perseis
Girl
Greece
Greek
#654
Teliea
Cosmas & Teliea
Girl
Greece
delicate, gentle
#654
Alexandrah
Cosmas & Alexandrah
Girl
Greece
Defender of man
#661
Ele
Cosmas & Ele
Girl
Greece
light, torch
#669
Helo
Cosmas & Helo
Boy
Greece
the sun
#680
Nikoles
Cosmas & Nikoles
Boy
Greece
Greek
#686
Persaeus
Cosmas & Persaeus
Girl
Greece
Greek
#686
Adones
Cosmas & Adones
Boy
Greece
Lord
#688
Elenis
Cosmas & Elenis
Girl
Greece
a variation of Helen, meaning 'light' or 'shining light'
#690
Phoebe
Cosmas & Phoebe
Girl
Greece
radiant, shining
#190
Alexia
Cosmas & Alexia
Girl
Greece
Defender, protector, helper
#696
Kyra
Cosmas & Kyra
Girl
Greece
lady
#698
Sias
Cosmas & Sias
Boy
Greece
Greek
#698
Illythia
Cosmas & Illythia
Girl
Greece
midwife, healer
#706
Peter
Cosmas & Peter
Boy
Greece
rock, stone
#210
Acacius
Cosmas & Acacius
Boy
Greece
Not being troubled.
#711
Ismene
Cosmas & Ismene
Girl
Greece
knowledgeable
#711
Timothy
Cosmas & Timothy
Boy
Greece
From 'Timotheos', meaning 'honoring God' or 'in the honor of God'.
#211
Arkangel
Cosmas & Arkangel
Boy
Greece
Greek
#715
Tyche
Cosmas & Tyche
Girl
Greece
luck
#718
Alexea
Cosmas & Alexea
Girl
Greece
defender of mankind
#721
Nikkos
Cosmas & Nikkos
Boy
Greece
victorious
#722
Amyrion
Cosmas & Amyrion
Boy
Greece
the one who is brave
#724
Xairexis
Cosmas & Xairexis
Girl
Greece
Greek
#726
Alexsi
Cosmas & Alexsi
Boy
Greece
a form of Alexander, meaning 'defender of men'
#734
Akadia
Cosmas & Akadia
Girl
Greece
from Arcadia, which describes a region of peace and harmony
#735
Kyrie
Cosmas & Kyrie
Unisex
Greece
Greek
#237
Persephone
Cosmas & Persephone
Girl
Greece
Bringer of destruction; the one who brings about change.
#749
Axia
Cosmas & Axia
Girl
Greece
Greek
#750
Dimar
Cosmas & Dimar
Boy
Greece
Derived from 'Dimitrios', meaning 'follower of Demeter'.
#759
Antanasia
Cosmas & Antanasia
Girl
Greece
resurrection,
#764
Allexandra
Cosmas & Allexandra
Girl
Greece
defender of mankind
#766
Alexzandar
Cosmas & Alexzandar
Boy
Greece
Defender of men
#769
Lyris
Cosmas & Lyris
Girl
Greece
lyre; harmony
#770
Alezandra
Cosmas & Alezandra
Girl
Greece
Greek
#774
Aries
Cosmas & Aries
Unisex
Greece
Referring to the astrological sign of the Ram.
#785
Ambrose
Cosmas & Ambrose
Boy
Greece
Greek
#788
Demas
Cosmas & Demas
Boy
Greece
Derived from the Greek name Δεμάς, meaning ‘the people’s opinion’ or ‘popular opinion’.
#790
Paraskevas
Cosmas & Paraskevas
Boy
Greece
Παναγιώτης, meaning 'of the preparation, associated with the Sabbath'
#793
Arkadian
Cosmas & Arkadian
Boy
Greece
Greek
#800
Niccolas
Cosmas & Niccolas
Boy
Greece
Greek
#812
Damien
Cosmas & Damien
Boy
Greece
To tame
#330
Thanatos
Cosmas & Thanatos
Boy
Greece
death
#834
Kenteria
Cosmas & Kenteria
Girl
Greece
Greek
#835
Joanna
Cosmas & Joanna
Girl
Greece
Hebrew
#339
Kiriana
Cosmas & Kiriana
Girl
Greece
belonging to the Lord
#839
Nikera
Cosmas & Nikera
Girl
Greece
Victory
#843
Daemeon
Cosmas & Daemeon
Boy
Greece
A beloved name with deep roots
#845
Iakona
Cosmas & Iakona
Boy
Greece
Derived from the name 'Jacobus', meaning 'supplanter'
#860
Stephen
Cosmas & Stephen
Boy
Greece
Crown or Garland
#363
Tíea
Cosmas & Tíea
Unisex
Greece
of the earth
#867
Demetriona
Cosmas & Demetriona
Girl
Greece
Follower of Demeter, the goddess of harvest.
#875
Maximous
Cosmas & Maximous
Boy
Greece
the greatest
#881
Ecclesia
Cosmas & Ecclesia
Girl
Greece
assembly
#883
Helen
Cosmas & Helen
Girl
Greece
light, torch
#395
Yeleini
Cosmas & Yeleini
Girl
Greece
Light, bright
#896
Alexandria
Cosmas & Alexandria
Girl
Greece
defender of mankind
#403
Liddia
Cosmas & Liddia
Girl
Greece
Greek
#904
Alekos
Cosmas & Alekos
Boy
Greece
defender of mankind
#908
Eneas
Cosmas & Eneas
Boy
Greece
Greek
#908
Sidona
Cosmas & Sidona
Girl
Greece
Greek
#908
Nikalas
Cosmas & Nikalas
Boy
Greece
Greek
#916
Alaxandria
Cosmas & Alaxandria
Girl
Greece
defender of mankind
#919
Damon
Cosmas & Damon
Boy
Greece
One who tames, subdues
#425
Makarius
Cosmas & Makarius
Boy
Greece
Greek
#926
Ulizes
Cosmas & Ulizes
Boy
Greece
Greek
#926
Damyen
Cosmas & Damyen
Boy
Greece
To tame or subdue
#933
Akiles
Cosmas & Akiles
Boy
Greece
the one who will be a hero
#943
Aleksia
Cosmas & Aleksia
Girl
Greece
Defender of mankind
#944
Valasia
Cosmas & Valasia
Girl
Greece
Greek
#944
Kronos
Cosmas & Kronos
Boy
Greece
The personification of time; the father of Zeus
#945
Galatea
Cosmas & Galatea
Girl
Greece
Greek
#951
Andress
Cosmas & Andress
Boy
Greece
manly, brave, warrior
#952
Helena
Cosmas & Helena
Girl
Greece
torch
#457
Neo
Cosmas & Neo
Unisex
Greece
new
#974
Ulisess
Cosmas & Ulisess
Boy
Greece
Greek
#974
Demerus
Cosmas & Demerus
Boy
Greece
of the people
#975
Vasia
Cosmas & Vasia
Girl
Greece
Royal, kingly.
#988
Elide
Cosmas & Elide
Girl
Greece
free, release or 'to let go'
#989
Eretira
Cosmas & Eretira
Girl
Greece
a woman from Eritrea
#991
Margaretta
Cosmas & Margaretta
Girl
Greece
pearl
#501
Theoplis
Cosmas & Theoplis
Boy
Greece
Θεόφιλος - meaning 'friend of God'.
#502
Ulys
Cosmas & Ulys
Boy
Greece
Greek
#503
Phronie
Cosmas & Phronie
Girl
Greece
Greek
#507
Barbaraa
Cosmas & Barbaraa
Girl
Greece
strange, foreign
#508
Thomos
Cosmas & Thomos
Boy
Greece
twin
#510
Thamia
Cosmas & Thamia
Girl
Greece
one who is to be valued or valued one
Demetrey
Cosmas & Demetrey
Boy
Greece
Greek
Lycurgus
Cosmas & Lycurgus
Boy
Greece
wolf worker
#514
Thema
Cosmas & Thema
Girl
Greece
theme or subject matter
#514
Dorus
Cosmas & Dorus
Boy
Greece
A beloved name with deep roots
#515
Evagene
Cosmas & Evagene
Girl
Greece
Well-born, noble.
#515
Speros
Cosmas & Speros
Boy
Greece
Greek
#516
Lakyria
Cosmas & Lakyria
Girl
Greece
the one who is pure and sacred
Theoedore
Cosmas & Theoedore
Boy
Greece
Greek
Anastajia
Cosmas & Anastajia
Girl
Greece
resurrection
Efthymia
Cosmas & Efthymia
Girl
Greece
Greek
Arimentha
Cosmas & Arimentha
Girl
Greece
swift
#519
Daimeon
Cosmas & Daimeon
Boy
Greece
To tame or subdue.
#519
Giorgos
Cosmas & Giorgos
Boy
Greece
Greek
Angeleia
Cosmas & Angeleia
Girl
Greece
αγγελία - angel or messenger
#521
Euclide
Cosmas & Euclide
Boy
Greece
glorious and good
#522
Klhloe
Cosmas & Klhloe
Girl
Greece
Greek
Euzelia
Cosmas & Euzelia
Girl
Greece
well-born, noble
#524
Manolis
Cosmas & Manolis
Boy
Greece
a form of Emmanuel, meaning God is with us
#524
Simitrio
Cosmas & Simitrio
Boy
Greece
belonging to the sun
Zeneida
Cosmas & Zeneida
Girl
Greece
Greek
#526
Rhodena
Cosmas & Rhodena
Girl
Greece
Greek
#527
Dimia
Cosmas & Dimia
Girl
Greece
Greek
Savalas
Cosmas & Savalas
Boy
Greece
the savior
#530
Jonas
Cosmas & Jonas
Boy
Greece
Dove
#534
Theus
Cosmas & Theus
Boy
Greece
Greek
#534
Eury
Cosmas & Eury
Boy
Greece
Greek
#537
Dianthe
Cosmas & Dianthe
Girl
Greece
divine flower
#541
Aggeliki
Cosmas & Aggeliki
Girl
Greece
Messenger; angelic
#542
Theone
Cosmas & Theone
Girl
Greece
Greek
#545
Meliton
Cosmas & Meliton
Boy
Greece
Ancient Greek
#546
Alaxandra
Cosmas & Alaxandra
Girl
Greece
defender of mankind
Ageliki
Cosmas & Ageliki
Girl
Greece
Greek
#550
Nectarios
Cosmas & Nectarios
Boy
Greece
Νεκτάριος
#551
Nota
Cosmas & Nota
Girl
Greece
a musical note
#552
Daphene
Cosmas & Daphene
Girl
Greece
laurel tree, symbol of victory
#554
Katharine
Cosmas & Katharine
Girl
Greece
Pure
#559
Dorothe
Cosmas & Dorothe
Girl
Greece
Greek
#563
Irmiás
Cosmas & Irmiás
Boy
Greece
guardian of the oath
Aryadne
Cosmas & Aryadne
Girl
Greece
most holy
Krystofer
Cosmas & Krystofer
Boy
Greece
bearer of Christ
Dorelia
Cosmas & Dorelia
Girl
Greece
a form of the name 'Doris', meaning 'of the sea'
#566
Patra
Cosmas & Patra
Girl
Greece
of illustrious lineage
#566
Myrra
Cosmas & Myrra
Girl
Greece
Greek
Olethia
Cosmas & Olethia
Girl
Greece
Greek
#569
Galen
Cosmas & Galen
Boy
Greece
calm, healer
#570
Demitre
Cosmas & Demitre
Boy
Greece
Greek
Eustis
Cosmas & Eustis
Boy
Greece
well-pleased, satisfaction
#573
Lygia
Cosmas & Lygia
Girl
Greece
a lyre or musical instrument; from the word 'lygus', a reference to a type of locust
#575