Best Sibling Names for Kastor
Names chosen to complement Kastor — matching origin (Greece), era, and style.
200 options108 girl97 boy
These sibling names share Kastor's Greece roots or similar popularity era, and start with a different letter to avoid alliteration.
Sophia
Kastor & Sophia
GirlGreece
wisdom
#5 →
Theodore
Kastor & Theodore
BoyGreece
Theodōros (Θεόδωρος), meaning 'gift of God'.
#7 ↑
Sofia
Kastor & Sofia
GirlGreece
Form of SOPHIA.
#12 →
Alexander
Kastor & Alexander
BoyGreece
defender of the people
#22 →
Chloe
Kastor & Chloe
GirlGreece
blooming
#26 →
Luke
Kastor & Luke
BoyGreece
English form of the Greek name Λουκας (Loukas) which meant "from Lucania", Lucania being a region in southern Italy (of uncertain meaning). Luke was a doctor who travelled in the company of the apostle Paul.
#31 →
Elias
Kastor & Elias
BoyGreece
Cognate of ELIJAH. This is the form used in the Greek New Testament.
#36 ↑
Athena
Kastor & Athena
GirlGreece
Goddess of wisdom and warfare
#76 ↑
Nicholas
Kastor & Nicholas
BoyGreece
victory of the people
#109 ↓
Phoenix
Kastor & Phoenix
UnisexGreece
From the name of a beautiful immortal bird which appears in Egyptian and Greek mythology.
#269 →
Thea
Kastor & Thea
GirlGreece
In Greek, Thea (Θεά) means 'goddess' or 'divine.'
#321 ↓
Orion
Kastor & Orion
BoyGreece
Meaning unknown, but possibly related to Greek ‘οριον (horion) "boundary, limit". Alternatively it may be derived from Akkadian Uru-anna meaning "light of the heavens".
#373 ↓
Demi
Kastor & Demi
GirlGreece
Short form of DEMETRIA.
#394 →
Ares
Kastor & Ares
BoyGreece
Perhaps from either Greek αρη (are) "bane, ruin" or αρσην (arsen) "male". Ares was the blood-thirsty god of war in Greek mythology, a son of Zeus and Hera.
#414 ↑
Apollo
Kastor & Apollo
BoyGreece
of Apollo, god of the sun, music, and prophecy
#434 ↑
Alexis
Kastor & Alexis
UnisexGreece
From the Greek name Αλεξις (Alexis), which meant "helper" or "defender", derived from Greek αλεξω (alexo) "to defend, to help". This was the name of a 3rd-century BC Greek comic poet, and also of several saints.
#448 ↓
Atreus
Kastor & Atreus
BoyGreece
The one who is not afraid; fearless
#457 ↑
Maia
Kastor & Maia
GirlGreece
mother, nurse
#459 ↑
Lyra
Kastor & Lyra
GirlGreece
lyre, a stringed musical instrument
#482 ↑
Maxis
Kastor & Maxis
BoyGreece
the greatest
#501 →
Sophiamaria
Kastor & Sophiamaria
GirlGreece
wisdom; of the sea
#502 →
Philix
Kastor & Philix
BoyGreece
Loving horses.; A variant form of Felix, meaning 'happy' or 'fortunate'.
#506 →
Alizander
Kastor & Alizander
BoyGreece
Defender of mankind
#521 →
Alecxis
Kastor & Alecxis
BoyGreece
defender of mankind
#522 →
Ilaina
Kastor & Ilaina
GirlGreece
shining light
#525 →
Alexius
Kastor & Alexius
GirlGreece
Latinized form of the Greek name Αλεξιος (Alexios), a derivative of Αλεξις (see ALEXIS). This was the name of five Byzantine emperors.
#535 →
Amarantha
Kastor & Amarantha
GirlGreece
unfading
#537 →
Thomas
Kastor & Thomas
BoyGreece
Greek form of the Aramaic name תָּאוֹמָא (Ta'oma') which meant "twin". In the New Testament this is the name of an apostle.
#41 →
Xenon
Kastor & Xenon
BoyGreece
Stranger
#542 →
Leto
Kastor & Leto
BoyGreece
hidden
#543 →
Demetrion
Kastor & Demetrion
BoyGreece
Follower of Demeter; earth mother.
#545 →
Synaia
Kastor & Synaia
GirlGreece
from Sinai
#549 →
Andreous
Kastor & Andreous
BoyGreece
Manly, brave, or courageous.; Strong, brave.
#558 →
Sebastyn
Kastor & Sebastyn
BoyGreece
Sebastianós) - Venerable, revered; Sebastianus - From Sebastia, a region in Asia Minor
#558 →
Andrue
Kastor & Andrue
BoyGreece
manly
#560 →
Demetrian
Kastor & Demetrian
BoyGreece
follower of Demeter
#563 →
Andrew
Kastor & Andrew
BoyGreece
English form of the Greek name Ανδρεας (Andreas), which was derived from ανδρειος (andreios) "manly, masculine", a derivative of ανηρ (aner) "man".
#65 →
Persephony
Kastor & Persephony
GirlGreece
bringer of destruction
#571 →
Nikolus
Kastor & Nikolus
BoyGreece
victory of the people
#576 →
Ioseph
Kastor & Ioseph
BoyGreece
Form of JOSEPH used in the Greek and Latin Bible.
#578 →
Theo
Kastor & Theo
UnisexGreece
Divine gift
#78 ↑
Sasia
Kastor & Sasia
GirlGreece
the gift of the goddess
#585 →
Nautia
Kastor & Nautia
GirlGreece
of the sea
#594 →
Lydia
Kastor & Lydia
GirlGreece
from Lydia
#95 →
Damian
Kastor & Damian
BoyGreece
From the Greek name Δαμιανος (Damianos) which was derived from Greek δαμαζω (damazo) "to tame". Saint Damian was martyred with his twin brother Cosmo in Syria early in the 4th century.
#108 →
Evangelena
Kastor & Evangelena
GirlGreece
Bearer of good news
#617 →
Aglaé
Kastor & Aglaé
GirlGreece
brightness, splendor
#624 →
Mayas
Kastor & Mayas
BoyGreece
the brave one
#626 →
Nycholas
Kastor & Nycholas
BoyGreece
victory of the people
#627 →
Melanie
Kastor & Melanie
GirlGreece
Dark-skinned or black.
#130 →
Aleithia
Kastor & Aleithia
GirlGreece
Truth
#636 →
Nesia
Kastor & Nesia
GirlGreece
Derived from 'nesos' meaning 'island' or a diminutive of 'Nesia,' often related to goddess names.
#637 →
Ilithya
Kastor & Ilithya
GirlGreece
Dream; vision
#648 →
Leon
Kastor & Leon
BoyGreece
Meaning 'lion'
#148 ↑
Sopia
Kastor & Sopia
GirlGreece
wisdom
#653 →
Perseis
Kastor & Perseis
GirlGreece
To sprinkle
#654 →
Teliea
Kastor & Teliea
GirlGreece
delicate, gentle
#654 →
Alexandrah
Kastor & Alexandrah
GirlGreece
Defender of man
#661 →
Ele
Kastor & Ele
GirlGreece
light, torch
#669 →
Helo
Kastor & Helo
BoyGreece
the sun
#680 →
Nikoles
Kastor & Nikoles
BoyGreece
Victorious people
#686 →
Persaeus
Kastor & Persaeus
GirlGreece
persuader
#686 →
Elenis
Kastor & Elenis
GirlGreece
a variation of Helen, meaning 'light' or 'shining light'
#690 →
Phoebe
Kastor & Phoebe
GirlGreece
radiant, shining
#190 ↑
Alexia
Kastor & Alexia
GirlGreece
Defender, protector, helper
#696 →
Sias
Kastor & Sias
BoyGreece
gift of God
#698 →
Alex
Kastor & Alex
BoyGreece
Short form of ALEXANDER, ALEXANDRA, and other names beginning with Alex.
#203 ↓
Alexandra
Kastor & Alexandra
GirlGreece
defender of mankind
#204 ↓
Illythia
Kastor & Illythia
GirlGreece
midwife, healer
#706 →
Peter
Kastor & Peter
BoyGreece
rock, stone
#210 →
Acacius
Kastor & Acacius
BoyGreece
Not being troubled.
#711 →
Ismene
Kastor & Ismene
GirlGreece
knowledgeable
#711 →
Timothy
Kastor & Timothy
BoyGreece
From 'Timotheos', meaning 'honoring God' or 'in the honor of God'.
#211 ↓
Arkangel
Kastor & Arkangel
BoyGreece
chief angel
#715 →
Tyche
Kastor & Tyche
GirlGreece
luck; fortune; chance
#718 →
Alexea
Kastor & Alexea
GirlGreece
defender of mankind
#721 →
Nikkos
Kastor & Nikkos
BoyGreece
victorious
#722 →
Amyrion
Kastor & Amyrion
BoyGreece
the one who is brave
#724 →
Xairexis
Kastor & Xairexis
GirlGreece
to rejoice, to be cheerful
#726 →
Alexsi
Kastor & Alexsi
BoyGreece
a form of Alexander, meaning 'defender of men'
#734 →
Akadia
Kastor & Akadia
GirlGreece
from Arcadia, which describes a region of peace and harmony
#735 →
Persephone
Kastor & Persephone
GirlGreece
Bringer of destruction; the one who brings about change.
#749 ↑
Axia
Kastor & Axia
GirlGreece
worthy
#750 →
Dimar
Kastor & Dimar
BoyGreece
Derived from 'Dimitrios', meaning 'follower of Demeter'.
#759 →
Antanasia
Kastor & Antanasia
GirlGreece
resurrection,
#764 →
Alexzandar
Kastor & Alexzandar
BoyGreece
Defender of men
#769 →
Lyris
Kastor & Lyris
GirlGreece
lyre; harmony
#770 →
Alezandra
Kastor & Alezandra
GirlGreece
defender of mankind; variant of the name Alexandra
#774 →
Aries
Kastor & Aries
UnisexGreece
Referring to the astrological sign of the Ram.
#785 ↑
Ambrose
Kastor & Ambrose
BoyGreece
From the Late Latin name Ambrosius, which was derived from the Greek name Αμβροσιος (Ambrosios) meaning "immortal". Saint Ambrose was a 4th-century theologian and bishop of Milan, who is considered a Doctor of the Church.
#788 ↑
Demas
Kastor & Demas
BoyGreece
Derived from the Greek name Δεμάς, meaning ‘the people’s opinion’ or ‘popular opinion’.
#790 →
Paraskevas
Kastor & Paraskevas
BoyGreece
Masculine form of PARASKEVE.
#793 →
Arkadian
Kastor & Arkadian
BoyGreece
of Arcadia; a place of harmony and simplicity
#800 →
Niccolas
Kastor & Niccolas
BoyGreece
victory of the people
#812 →
Damien
Kastor & Damien
BoyGreece
To tame
#330 ↓
Thanatos
Kastor & Thanatos
BoyGreece
death
#834 →
Joanna
Kastor & Joanna
GirlGreece
English and Polish form of Latin Iohanna, which was derived from Greek Ιωαννα (Ioanna), the feminine form of Ioannes (see JOHN).
#339 ↓
Nikera
Kastor & Nikera
GirlGreece
Victory
#843 →
Daemeon
Kastor & Daemeon
BoyGreece
A beloved name with deep roots
#845 →
Iakona
Kastor & Iakona
BoyGreece
Derived from the name 'Jacobus', meaning 'supplanter'
#860 →
Stephen
Kastor & Stephen
BoyGreece
Crown or Garland
#363 ↓
Tíea
Kastor & Tíea
GirlGreece
of the earth
#867 →
Demetriona
Kastor & Demetriona
GirlGreece
Follower of Demeter, the goddess of harvest.
#875 →
Maximous
Kastor & Maximous
BoyGreece
the greatest
#881 →
Ecclesia
Kastor & Ecclesia
GirlGreece
assembly
#883 →
Helen
Kastor & Helen
GirlGreece
light, torch
#395 ↑
Yeleini
Kastor & Yeleini
GirlGreece
Light, bright
#896 →
Alexandria
Kastor & Alexandria
GirlGreece
defender of mankind
#403 ↓
Liddia
Kastor & Liddia
GirlGreece
a form of Lydia, meaning 'from Lydia'; derived from Lydia, associated with beauty and nobility
#904 →
Alekos
Kastor & Alekos
BoyGreece
defender of mankind
#908 →
Sidona
Kastor & Sidona
GirlGreece
From Sidon, an ancient Phoenician city.
#908 →
Nikalas
Kastor & Nikalas
BoyGreece
Victory of the people
#916 →
Damon
Kastor & Damon
BoyGreece
One who tames, subdues
#425 ↑
Makarius
Kastor & Makarius
BoyGreece
Blessed.
#926 →
Ulizes
Kastor & Ulizes
BoyGreece
wrathful
#926 →
Damyen
Kastor & Damyen
BoyGreece
To tame or subdue
#933 →
Akiles
Kastor & Akiles
BoyGreece
the one who will be a hero
#943 →
Aleksia
Kastor & Aleksia
GirlGreece
Defender of mankind
#944 →
Valasia
Kastor & Valasia
GirlGreece
strong, healthy; powerful
#944 →
Galatea
Kastor & Galatea
GirlGreece
She who is milk-white
#951 →
Andress
Kastor & Andress
BoyGreece
manly, brave, warrior
#952 →
Helena
Kastor & Helena
GirlGreece
torch
#457 →
Neo
Kastor & Neo
BoyGreece
new; gift
#974 ↑
Ulisess
Kastor & Ulisess
BoyGreece
Wrathful, to be angry
#974 →
Demerus
Kastor & Demerus
BoyGreece
of the people
#975 →
Vasia
Kastor & Vasia
GirlGreece
Royal, kingly.
#988 →
Eretira
Kastor & Eretira
GirlGreece
a woman from Eritrea
#991 →
Margaretta
Kastor & Margaretta
GirlGreece
pearl
#501 →
Theoplis
Kastor & Theoplis
BoyGreece
meaning 'friend of God'.
#502 →
Megale
Kastor & Megale
BoyGreece
great, large
#503 →
Ulys
Kastor & Ulys
BoyGreece
Wrathful; to be angry; To see; to be wary
#503 →
Phronie
Kastor & Phronie
GirlGreece
mind or intellect
#507 →
Barbaraa
Kastor & Barbaraa
GirlGreece
strange, foreign
#508 →
Thomos
Kastor & Thomos
BoyGreece
twin
#510 →
Thamia
Kastor & Thamia
GirlGreece
one who is to be valued or valued one
Castoria
Kastor & Castoria
GirlGreece
One who is from Casterley; could also mean 'pure'
#512 →
Lycurgus
Kastor & Lycurgus
BoyGreece
wolf worker
#514 →
Thema
Kastor & Thema
GirlGreece
theme or subject matter
#514 →
Dorus
Kastor & Dorus
BoyGreece
A beloved name with deep roots
#515 →
Evagene
Kastor & Evagene
GirlGreece
Well-born, noble.
#515 →
Speros
Kastor & Speros
BoyGreece
spirit
#516 →
Lakyria
Kastor & Lakyria
GirlGreece
the one who is pure and sacred
Theoedore
Kastor & Theoedore
BoyGreece
Gift of God.
Anastajia
Kastor & Anastajia
GirlGreece
resurrection
Efthymia
Kastor & Efthymia
GirlGreece
Modern Greek form of EUTHYMIA.
Arimentha
Kastor & Arimentha
GirlGreece
swift
#519 →
Daimeon
Kastor & Daimeon
BoyGreece
To tame or subdue.
#519 →
Giorgos
Kastor & Giorgos
BoyGreece
Modern Greek variant of Georgios (see GEORGE).
Angeleia
Kastor & Angeleia
GirlGreece
angel or messenger
#521 →
Euclide
Kastor & Euclide
BoyGreece
glorious and good
#522 →
Crysania
Kastor & Crysania
GirlGreece
Golden or precious
#524 →
Euzelia
Kastor & Euzelia
GirlGreece
well-born, noble
#524 →
Manolis
Kastor & Manolis
BoyGreece
a form of Emmanuel, meaning God is with us
#524 →
Simitrio
Kastor & Simitrio
BoyGreece
belonging to the sun
Cyria
Kastor & Cyria
GirlGreece
Κυρία
#526 →
Zeneida
Kastor & Zeneida
GirlGreece
The life of Zeus; Zephyr
#526 →
Rhodena
Kastor & Rhodena
GirlGreece
rose; a flower name.
#527 →
Dimia
Kastor & Dimia
GirlGreece
A form of the name Demetria, meaning 'follower of Demeter'
Savalas
Kastor & Savalas
BoyGreece
the savior
#530 →
Jonas
Kastor & Jonas
BoyGreece
Dove.; To be a dove or pigeon.
#534 ↓
Theus
Kastor & Theus
BoyGreece
God of the heavens, divine
#534 →
Eury
Kastor & Eury
BoyGreece
Well born; noble
#537 →
Dianthe
Kastor & Dianthe
GirlGreece
divine flower
#541 →
Aggeliki
Kastor & Aggeliki
GirlGreece
Messenger; angelic
#542 →
Theone
Kastor & Theone
GirlGreece
Meaning 'goddess' or 'divine.' Often associated with the goddess Theia, the Greek goddess of sight.
#545 →
Meliton
Kastor & Meliton
BoyGreece
Ancient Greek
#546 →
Ageliki
Kastor & Ageliki
GirlGreece
angel
#550 →
Nectarios
Kastor & Nectarios
BoyGreece
Of nectar; relating to the gods.
#551 →
Nota
Kastor & Nota
GirlGreece
a musical note
#552 →
Daphene
Kastor & Daphene
GirlGreece
laurel tree, symbol of victory
#554 →
Charika
Kastor & Charika
GirlGreece
A joy or delight, often signifying happiness or cheerfulness.
#559 →
Dorothe
Kastor & Dorothe
GirlGreece
Gift of God; Theophora
#563 →
Irmiás
Kastor & Irmiás
BoyGreece
guardian of the oath
Aryadne
Kastor & Aryadne
GirlGreece
most holy
Dorelia
Kastor & Dorelia
GirlGreece
a form of the name 'Doris', meaning 'of the sea'
#566 →
Patra
Kastor & Patra
GirlGreece
of illustrious lineage
#566 →
Christipher
Kastor & Christipher
BoyGreece
Bearer of Christ
#568 →
Myrra
Kastor & Myrra
GirlGreece
myrrh
Olethia
Kastor & Olethia
GirlGreece
derived from the Greek word 'ἀλήθεια' meaning 'truth'.
#569 →
Capus
Kastor & Capus
BoyGreece
Cape, headland
#570 →
Galen
Kastor & Galen
BoyGreece
calm, healer
#570 →
Eustis
Kastor & Eustis
BoyGreece
well-pleased, satisfaction
#573 →
Lygia
Kastor & Lygia
GirlGreece
a lyre or musical instrument; from the word 'lygus', a reference to a type of locust
#575 →
Alanta
Kastor & Alanta
GirlGreece
fast-moving, swift
Andropolis
Kastor & Andropolis
BoyGreece
Man city
#579 →
Jocasta
Kastor & Jocasta
GirlGreece
Latinized form of Greek Ιοκαστη (Iokaste), which is of unknown meaning. In Greek mythology she was the mother Oedipus by the Theban king Laius. In a case of tragic mistaken identity, she married her own son.
#581 →
Nichalaus
Kastor & Nichalaus
BoyGreece
victory of the people
#581 →
Stphen
Kastor & Stphen
BoyGreece
crown, wreath
#582 →
Melitta
Kastor & Melitta
GirlGreece
Honeybee
#583 →
Andrenika
Kastor & Andrenika
GirlGreece
brave, strong
#584 →
Clida
Kastor & Clida
GirlGreece
Pride
#585 →
Sotiris
Kastor & Sotiris
BoyGreece
Derived from Greek σωτηρια (soteria) meaning "salvation".
Iolia
Kastor & Iolia
GirlGreece
Violet, a flower; also can refer to dawn or daybreak.
#588 →
Jeorgina
Kastor & Jeorgina
GirlGreece
earthworker; farmer
#589 →
Delia
Kastor & Delia
GirlGreece
from Delos
#590 →
Danayia
Kastor & Danayia
GirlGreece
A derivative of the name Danae, meaning 'abundant' or 'mother of Perseus'.
Melica
Kastor & Melica
GirlGreece
honey
#591 →
Demetrias
Kastor & Demetrias
UnisexGreece
Of Demeter; belonging to the earth.
#592 →
Alexan
Kastor & Alexan
BoyGreece
Defender of the people
#597 →
Asiane
Kastor & Asiane
GirlGreece
from Asia