Best Sibling Names for Theta

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

200 options200 girl8 boy
These sibling names share Theta's Greece roots or similar popularity era, and start with a different letter to avoid alliteration.
Helen
Theta & Helen
Girl
Greece
light, torch
#395
Sophia
Theta & Sophia
Girl
Greece
wisdom
#5
Phronie
Theta & Phronie
Girl
Greece
mind or intellect
#507
Castoria
Theta & Castoria
Girl
Greece
One who is from Casterley; could also mean 'pure'
#512
Sofia
Theta & Sofia
Girl
Greece
Form of SOPHIA.
#12
Evagene
Theta & Evagene
Girl
Greece
Well-born, noble.
#515
Arimentha
Theta & Arimentha
Girl
Greece
swift
#519
Euzelia
Theta & Euzelia
Girl
Greece
well-born, noble
#524
Chloe
Theta & Chloe
Girl
Greece
blooming
#26
Nota
Theta & Nota
Girl
Greece
a musical note
#552
Dorothe
Theta & Dorothe
Girl
Greece
Gift of God; Theophora
#563
Athena
Theta & Athena
Girl
Greece
Goddess of wisdom and warfare
#76
Clida
Theta & Clida
Girl
Greece
Pride
#585
Iolia
Theta & Iolia
Girl
Greece
Violet, a flower; also can refer to dawn or daybreak.
#588
Lydia
Theta & Lydia
Girl
Greece
from Lydia
#95
Corene
Theta & Corene
Girl
Greece
maiden, girl
#598
Clio
Theta & Clio
Girl
Greece
glory
#619
Christobel
Theta & Christobel
Girl
Greece
Meaning 'Christ's beauty'.
#630
Hesta
Theta & Hesta
Girl
Greece
Star; Favorable
#630
Melanie
Theta & Melanie
Girl
Greece
Dark-skinned or black.
#130
Ianthe
Theta & Ianthe
Girl
Greece
Violet flower.
#666
Phebie
Theta & Phebie
Girl
Greece
shining, bright
#671
Phoebe
Theta & Phoebe
Girl
Greece
radiant, shining
#190
Alexandra
Theta & Alexandra
Girl
Greece
defender of mankind
#204
Etolia
Theta & Etolia
Girl
Greece
A beloved name with deep roots
#712
Khloe
Theta & Khloe
Girl
Greece
young green shoot, bud
#216
Dorothie
Theta & Dorothie
Girl
Greece
Gift of God; Derived from the name Dorothy.
#723
Elthea
Theta & Elthea
Girl
Greece
Healer
#736
Kyrie
Theta & Kyrie
Unisex
Greece
Lord; A modern variation used as a feminine form of the male name Kyrie
#237
Olia
Theta & Olia
Girl
Greece
olive; olive tree
#740
Phoenix
Theta & Phoenix
Unisex
Greece
From the name of a beautiful immortal bird which appears in Egyptian and Greek mythology.
#269
Elpidia
Theta & Elpidia
Girl
Greece
Greek
#776
Dionisia
Theta & Dionisia
Girl
Greece
follower of Dionysus
#789
Berenice
Theta & Berenice
Girl
Greece
Latinized form of Βερενικη (Berenike), the Macedonian form of the Greek name Φερενικη (Pherenike), which meant "bringing victory" from φερω (phero) "to bring" and νικη (nike) "victory".
#835
Joanna
Theta & Joanna
Girl
Greece
English and Polish form of Latin Iohanna, which was derived from Greek Ιωαννα (Ioanna), the feminine form of Ioannes (see JOHN).
#339
Mirtis
Theta & Mirtis
Girl
Greece
A name derived from a term meaning 'myrtle', a symbol of love and beauty.
#843
Hellene
Theta & Hellene
Girl
Greece
Bright, shining light
#869
Myrtus
Theta & Myrtus
Girl
Greece
Derived from the myrtle plant, symbolizing love and beauty.
#878
Eolia
Theta & Eolia
Girl
Greece
Wind; inhabitant of Aeolis
#885
Althea
Theta & Althea
Girl
Greece
healer
#887
Demi
Theta & Demi
Girl
Greece
Short form of DEMETRIA.
#394
Alexandria
Theta & Alexandria
Girl
Greece
defender of mankind
#403
Sotera
Theta & Sotera
Girl
Greece
Savior or deliverer
#910
Despena
Theta & Despena
Girl
Greece
Derived from the word 'despoina', meaning 'lady' or 'mistress'.; Often associated with the concept of divine protection or honor.
#912
Eunice
Theta & Eunice
Girl
Greece
Good victory
#940
Alexis
Theta & Alexis
Unisex
Greece
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
Helena
Theta & Helena
Girl
Greece
torch
#457
Maia
Theta & Maia
Girl
Greece
mother, nurse
#459
Onetia
Theta & Onetia
Girl
Greece
Little One, derived from the Greek 'on' meaning 'to be' or 'exist'
#960
Euda
Theta & Euda
Girl
Greece
Pleasant or sweet
#965
Udora
Theta & Udora
Girl
Greece
a gift from the gods
#966
Lethea
Theta & Lethea
Girl
Greece
Forgetfulness
#973
Eudella
Theta & Eudella
Girl
Greece
Eudella can be interpreted as 'good fortune' or 'fortunate'.
#976
Lyra
Theta & Lyra
Girl
Greece
lyre, a stringed musical instrument
#482
Eudice
Theta & Eudice
Girl
Greece
Good Judgment
#988
Karissia
Theta & Karissia
Girl
Greece
grace; kindness
#501
Margaretta
Theta & Margaretta
Girl
Greece
pearl
#501
Myrtes
Theta & Myrtes
Girl
Greece
myrtle, a symbol of love and immortality
Sophiamaria
Theta & Sophiamaria
Girl
Greece
wisdom; of the sea
#502
Barbaraa
Theta & Barbaraa
Girl
Greece
strange, foreign
#508
Corintha
Theta & Corintha
Girl
Greece
from Corinth or related to the city of Corinth
Kazandra
Theta & Kazandra
Girl
Greece
defender of man
#512
Angeleia
Theta & Angeleia
Girl
Greece
angel or messenger
#521
Crysania
Theta & Crysania
Girl
Greece
Golden or precious
#524
Ilaina
Theta & Ilaina
Girl
Greece
shining light
#525
Cyria
Theta & Cyria
Girl
Greece
Κυρία
#526
Zeneida
Theta & Zeneida
Girl
Greece
The life of Zeus; Zephyr
#526
Rhodena
Theta & Rhodena
Girl
Greece
rose; a flower name.
#527
Alexius
Theta & Alexius
Girl
Greece
Latinized form of the Greek name Αλεξιος (Alexios), a derivative of Αλεξις (see ALEXIS). This was the name of five Byzantine emperors.
#535
Amarantha
Theta & Amarantha
Girl
Greece
unfading
#537
Dianthe
Theta & Dianthe
Girl
Greece
divine flower
#541
Aggeliki
Theta & Aggeliki
Girl
Greece
Messenger; angelic
#542
Cleopha
Theta & Cleopha
Girl
Greece
glory
Eulia
Theta & Eulia
Girl
Greece
Eve; life
Synaia
Theta & Synaia
Girl
Greece
from Sinai
#549
Ageliki
Theta & Ageliki
Girl
Greece
angel
#550
Daphene
Theta & Daphene
Girl
Greece
laurel tree, symbol of victory
#554
Calanthe
Theta & Calanthe
Girl
Greece
beautiful flower
Dorathy
Theta & Dorathy
Girl
Greece
Gift of God
Charika
Theta & Charika
Girl
Greece
A joy or delight, often signifying happiness or cheerfulness.
#559
Katharine
Theta & Katharine
Girl
Greece
English variant of KATHERINE and German variant of KATHARINA. A famous bearer was American actress Katharine Hepburn (1907-2003).
#559
Dorelia
Theta & Dorelia
Girl
Greece
a form of the name 'Doris', meaning 'of the sea'
#566
Patra
Theta & Patra
Girl
Greece
of illustrious lineage
#566
Olethia
Theta & Olethia
Girl
Greece
derived from the Greek word 'ἀλήθεια' meaning 'truth'.
#569
Persephony
Theta & Persephony
Girl
Greece
bringer of destruction
#571
Lygia
Theta & Lygia
Girl
Greece
a lyre or musical instrument; from the word 'lygus', a reference to a type of locust
#575
Cledia
Theta & Cledia
Girl
Greece
Famous or renowned
Jocasta
Theta & Jocasta
Girl
Greece
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
Melitta
Theta & Melitta
Girl
Greece
Honeybee
#583
Athene
Theta & Athene
Girl
Greece
Variant of ATHENA.
Andrenika
Theta & Andrenika
Girl
Greece
brave, strong
#584
Sasia
Theta & Sasia
Girl
Greece
the gift of the goddess
#585
Jeorgina
Theta & Jeorgina
Girl
Greece
earthworker; farmer
#589
Delia
Theta & Delia
Girl
Greece
from Delos
#590
Melica
Theta & Melica
Girl
Greece
honey
#591
Demetrias
Theta & Demetrias
Unisex
Greece
Of Demeter; belonging to the earth.
#592
Nautia
Theta & Nautia
Girl
Greece
of the sea
#594
Phyllis
Theta & Phyllis
Girl
Greece
Leafy; green bough.
#600
Dorian
Theta & Dorian
Unisex
Greece
The name was first used by Oscar Wilde in his novel 'The Picture of Dorian Gray' (1891), which tells the story of a man whose portrait ages while he stays young.
#608
Magdlene
Theta & Magdlene
Girl
Greece
of Magdala
Loanna
Theta & Loanna
Girl
Greece
God is gracious
#612
Eureka
Theta & Eureka
Girl
Greece
I have found it
#616
Evangelena
Theta & Evangelena
Girl
Greece
Bearer of good news
#617
Katyna
Theta & Katyna
Girl
Greece
pure; a variation of Katherine, meaning 'pure'.
#621
Myrtia
Theta & Myrtia
Girl
Greece
myrtle; an evergreen shrub representing love
Zephyr
Theta & Zephyr
Unisex
Greece
the west wind
Aglaé
Theta & Aglaé
Girl
Greece
brightness, splendor
#624
Nicanora
Theta & Nicanora
Girl
Greece
Victory
#635
Aleithia
Theta & Aleithia
Girl
Greece
Truth
#636
Nesia
Theta & Nesia
Girl
Greece
Derived from 'nesos' meaning 'island' or a diminutive of 'Nesia,' often related to goddess names.
#637
Cassandra
Theta & Cassandra
Girl
Greece
From the Greek name Κασσανδρα (Kassandra), derived from possibly κεκασμαι (kekasmai) "to excel, to shine" and ανηρ (aner) "man" (genitive ανδρος).
#639
Lethe
Theta & Lethe
Girl
Greece
The name Lethe (Λήθη) originated from the ancient Greek word for 'forgetfulness'.
Pheba
Theta & Pheba
Girl
Greece
Bright, shining, or radiant.; Connected to the word 'phosphoros', meaning light-bringer.
Oreta
Theta & Oreta
Girl
Greece
mountain dweller
Dorotha
Theta & Dorotha
Girl
Greece
gift of God
Phillis
Theta & Phillis
Girl
Greece
Variant of PHYLLIS.
#644
Ilithya
Theta & Ilithya
Girl
Greece
Dream; vision
#648
Alexandreia
Theta & Alexandreia
Girl
Greece
defender of mankind
#650
Erini
Theta & Erini
Girl
Greece
Peace
#651
Klhroe
Theta & Klhroe
Girl
Greece
Green shoot; to bloom
#652
Sopia
Theta & Sopia
Girl
Greece
wisdom
#653
Perseis
Theta & Perseis
Girl
Greece
To sprinkle
#654
Sotiria
Theta & Sotiria
Girl
Greece
Savior, deliverance
#659
Coryna
Theta & Coryna
Girl
Greece
a girl, a maiden
#660
Alexandrah
Theta & Alexandrah
Girl
Greece
Defender of man
#661
Loutricia
Theta & Loutricia
Girl
Greece
Derived from 'loutrós', meaning 'lake' or 'feminine water'.
#665
Ele
Theta & Ele
Girl
Greece
light, torch
#669
Demeteria
Theta & Demeteria
Girl
Greece
of Demeter, goddess of the harvest.
#670
Phylis
Theta & Phylis
Girl
Greece
foliage, green bough
#670
Ophia
Theta & Ophia
Girl
Greece
serpent
Basilisa
Theta & Basilisa
Girl
Greece
queen; empress; royal lady
#676
Euleta
Theta & Euleta
Girl
Greece
Derived from 'Eulalia', meaning sweet speaking or well-spoken
#676
Andea
Theta & Andea
Girl
Greece
brave, courageous
#679
Katharin
Theta & Katharin
Girl
Greece
Greek
#685
Persaeus
Theta & Persaeus
Girl
Greece
persuader
#686
Elenis
Theta & Elenis
Girl
Greece
a variation of Helen, meaning 'light' or 'shining light'
#690
Marianthi
Theta & Marianthi
Girl
Greece
A combination of Mary and flower.
#691
Staphanie
Theta & Staphanie
Girl
Greece
crown or garland
#695
Alexia
Theta & Alexia
Girl
Greece
Defender, protector, helper
#696
Ktherine
Theta & Ktherine
Girl
Greece
Pure
#697
Kyra
Theta & Kyra
Girl
Greece
Variant of KIRA (2), sometimes considered a feminine form of CYRUS.
#698
Patrinia
Theta & Patrinia
Girl
Greece
little patron
#699
Leother
Theta & Leother
Girl
Greece
Lion strength
Cleara
Theta & Cleara
Girl
Greece
Bright, clear, and famous.
Gyna
Theta & Gyna
Girl
Greece
woman, female
#705
Illythia
Theta & Illythia
Girl
Greece
midwife, healer
#706
Alexaundra
Theta & Alexaundra
Girl
Greece
defender of men
#708
Ismene
Theta & Ismene
Girl
Greece
knowledgeable
#711
Efstathia
Theta & Efstathia
Girl
Greece
well-being
#714
Alexea
Theta & Alexea
Girl
Greece
defender of mankind
#721
Vassie
Theta & Vassie
Girl
Greece
queen
Xairexis
Theta & Xairexis
Girl
Greece
to rejoice, to be cheerful
#726
Cosma
Theta & Cosma
Girl
Greece
order, beauty, universe
Akadia
Theta & Akadia
Girl
Greece
from Arcadia, which describes a region of peace and harmony
#735
Lycia
Theta & Lycia
Girl
Greece
from Lycia; light or illumination
#745
Sydonia
Theta & Sydonia
Girl
Greece
of Sidon
Delfinia
Theta & Delfinia
Girl
Greece
Dolphin
Persephone
Theta & Persephone
Girl
Greece
Bringer of destruction; the one who brings about change.
#749
Axia
Theta & Axia
Girl
Greece
worthy
#750
Eluteria
Theta & Eluteria
Girl
Greece
freedom or liberty
#753
Patricha
Theta & Patricha
Girl
Greece
Derived from the name Patricia, meaning 'noble' or 'noblewoman'
#763
Antanasia
Theta & Antanasia
Girl
Greece
resurrection,
#764
Allexandra
Theta & Allexandra
Girl
Greece
defender of mankind
#766
Lyris
Theta & Lyris
Girl
Greece
lyre; harmony
#770
Magdelina
Theta & Magdelina
Girl
Greece
of Magdala
Vasilike
Theta & Vasilike
Girl
Greece
A feminine form of 'Vasilis', meaning 'royal' or 'kingly'.
#773
Alezandra
Theta & Alezandra
Girl
Greece
defender of mankind; variant of the name Alexandra
#774
Roxanna
Theta & Roxanna
Girl
Greece
Variant of ROXANA.
#774
Corrinna
Theta & Corrinna
Girl
Greece
maiden; virgin
#778
Nichola
Theta & Nichola
Girl
Greece
victory of the people
#778
Aries
Theta & Aries
Unisex
Greece
Referring to the astrological sign of the Ram.
#785
Alexaundria
Theta & Alexaundria
Girl
Greece
Defender of mankind
#786
Melisa
Theta & Melisa
Girl
Greece
Honeybee
#789
Litsa
Theta & Litsa
Girl
Greece
light
#791
Doris
Theta & Doris
Girl
Greece
From the ancient Greek name Δωρις (Doris) which meant "Dorian woman". The Dorians were a Greek tribe who occupied the Peloponnese starting in the 12th century BC.
#792
Vergina
Theta & Vergina
Girl
Greece
The name means 'virgin', often associated with purity
#793
Erene
Theta & Erene
Girl
Greece
Peace
Rethea
Theta & Rethea
Girl
Greece
a variant of 'Rhea', the mother of the gods, associated with fertility and the flow of life
#802
Alithea
Theta & Alithea
Girl
Greece
truth
#807
Eftihia
Theta & Eftihia
Girl
Greece
Ευτυχία
#807
Adelphia
Theta & Adelphia
Girl
Greece
Sister
Galathia
Theta & Galathia
Girl
Greece
Calm seas
#835
Kenteria
Theta & Kenteria
Girl
Greece
Shining, bright.
#835
Kiriana
Theta & Kiriana
Girl
Greece
belonging to the Lord
#839
Nikera
Theta & Nikera
Girl
Greece
Victory
#843
Philomen
Theta & Philomen
Girl
Greece
Lover of strength
Appollonia
Theta & Appollonia
Girl
Greece
of Apollo
#862
Cynthia
Theta & Cynthia
Girl
Greece
moon goddess
#871
Demetriona
Theta & Demetriona
Girl
Greece
Follower of Demeter, the goddess of harvest.
#875
Barbara
Theta & Barbara
Girl
Greece
Foreign; strange
#876
Ecclesia
Theta & Ecclesia
Girl
Greece
assembly
#883
Phylisia
Theta & Phylisia
Girl
Greece
a variant of ‘Phyllis’, meaning ‘foliage’ or ‘leaf’
#884
Stefaine
Theta & Stefaine
Girl
Greece
crowned, garlanded
#892
Demetris
Theta & Demetris
Unisex
Greece
follower of Demeter, goddess of harvest
#893
Gelia
Theta & Gelia
Girl
Greece
Sweetness or Joy
Yeleini
Theta & Yeleini
Girl
Greece
Light, bright
#896
Christia
Theta & Christia
Girl
Greece
Follower of Christ
#899
Magdalena
Theta & Magdalena
Girl
Greece
Latinate form of MAGDALENE.
#902
Liddia
Theta & Liddia
Girl
Greece
a form of Lydia, meaning 'from Lydia'; derived from Lydia, associated with beauty and nobility
#904
Cleoda
Theta & Cleoda
Girl
Greece
Glory of the mountain