Best Sibling Names for Theo

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

200 options200 girl7 boy
These sibling names share Theo's Greece roots or similar popularity era, and start with a different letter to avoid alliteration.
Lydia
Theo & Lydia
Girl
Greece
from Lydia
#95
Phoebe
Theo & Phoebe
Girl
Greece
radiant, shining
#190
Helen
Theo & Helen
Girl
Greece
light, torch
#395
Helena
Theo & Helena
Girl
Greece
torch
#457
Margaretta
Theo & Margaretta
Girl
Greece
pearl
#501
Sophia
Theo & Sophia
Girl
Greece
wisdom
#5
Phronie
Theo & Phronie
Girl
Greece
mind or intellect
#507
Sofia
Theo & Sofia
Girl
Greece
Form of SOPHIA.
#12
Chloe
Theo & Chloe
Girl
Greece
blooming
#26
Katharine
Theo & Katharine
Girl
Greece
English variant of KATHERINE and German variant of KATHARINA. A famous bearer was American actress Katharine Hepburn (1907-2003).
#559
Athena
Theo & Athena
Girl
Greece
Goddess of wisdom and warfare
#76
Delia
Theo & Delia
Girl
Greece
from Delos
#590
Clio
Theo & Clio
Girl
Greece
glory
#619
Melanie
Theo & Melanie
Girl
Greece
Dark-skinned or black.
#130
Phebie
Theo & Phebie
Girl
Greece
shining, bright
#671
Alexandra
Theo & Alexandra
Girl
Greece
defender of mankind
#204
Khloe
Theo & Khloe
Girl
Greece
young green shoot, bud
#216
Kyrie
Theo & Kyrie
Unisex
Greece
Lord; A modern variation used as a feminine form of the male name Kyrie
#237
Olia
Theo & Olia
Girl
Greece
olive; olive tree
#740
Phoenix
Theo & Phoenix
Unisex
Greece
From the name of a beautiful immortal bird which appears in Egyptian and Greek mythology.
#269
Berenice
Theo & 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
Theo & 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
Demi
Theo & Demi
Girl
Greece
Short form of DEMETRIA.
#394
Magdalena
Theo & Magdalena
Girl
Greece
Latinate form of MAGDALENE.
#902
Alexandria
Theo & Alexandria
Girl
Greece
defender of mankind
#403
Alexis
Theo & 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
Narcissa
Theo & Narcissa
Girl
Greece
Daffodil; related to the myth of Narcissus
#956
Maia
Theo & Maia
Girl
Greece
mother, nurse
#459
Euda
Theo & Euda
Girl
Greece
Pleasant or sweet
#965
Crete
Theo & Crete
Girl
Greece
η κρητική, που σχετίζεται με την Κρήτη
#976
Lyra
Theo & Lyra
Girl
Greece
lyre, a stringed musical instrument
#482
Karissia
Theo & Karissia
Girl
Greece
grace; kindness
#501
Sophiamaria
Theo & Sophiamaria
Girl
Greece
wisdom; of the sea
#502
Barbaraa
Theo & Barbaraa
Girl
Greece
strange, foreign
#508
Castoria
Theo & Castoria
Girl
Greece
One who is from Casterley; could also mean 'pure'
#512
Kazandra
Theo & Kazandra
Girl
Greece
defender of man
#512
Evagene
Theo & Evagene
Girl
Greece
Well-born, noble.
#515
Arimentha
Theo & Arimentha
Girl
Greece
swift
#519
Angeleia
Theo & Angeleia
Girl
Greece
angel or messenger
#521
Crysania
Theo & Crysania
Girl
Greece
Golden or precious
#524
Euzelia
Theo & Euzelia
Girl
Greece
well-born, noble
#524
Ilaina
Theo & Ilaina
Girl
Greece
shining light
#525
Cyria
Theo & Cyria
Girl
Greece
Κυρία
#526
Zeneida
Theo & Zeneida
Girl
Greece
The life of Zeus; Zephyr
#526
Rhodena
Theo & Rhodena
Girl
Greece
rose; a flower name.
#527
Medie
Theo & Medie
Girl
Greece
One who is cunning or clever
Alexius
Theo & 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
Theo & Amarantha
Girl
Greece
unfading
#537
Dianthe
Theo & Dianthe
Girl
Greece
divine flower
#541
Aggeliki
Theo & Aggeliki
Girl
Greece
Messenger; angelic
#542
Synaia
Theo & Synaia
Girl
Greece
from Sinai
#549
Ageliki
Theo & Ageliki
Girl
Greece
angel
#550
Nota
Theo & Nota
Girl
Greece
a musical note
#552
Daphene
Theo & Daphene
Girl
Greece
laurel tree, symbol of victory
#554
Charika
Theo & Charika
Girl
Greece
A joy or delight, often signifying happiness or cheerfulness.
#559
Dorothe
Theo & Dorothe
Girl
Greece
Gift of God; Theophora
#563
Dorelia
Theo & Dorelia
Girl
Greece
a form of the name 'Doris', meaning 'of the sea'
#566
Patra
Theo & Patra
Girl
Greece
of illustrious lineage
#566
Olethia
Theo & Olethia
Girl
Greece
derived from the Greek word 'ἀλήθεια' meaning 'truth'.
#569
Persephony
Theo & Persephony
Girl
Greece
bringer of destruction
#571
Lygia
Theo & Lygia
Girl
Greece
a lyre or musical instrument; from the word 'lygus', a reference to a type of locust
#575
Jocasta
Theo & 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
Theo & Melitta
Girl
Greece
Honeybee
#583
Andrenika
Theo & Andrenika
Girl
Greece
brave, strong
#584
Clida
Theo & Clida
Girl
Greece
Pride
#585
Sasia
Theo & Sasia
Girl
Greece
the gift of the goddess
#585
Iolia
Theo & Iolia
Girl
Greece
Violet, a flower; also can refer to dawn or daybreak.
#588
Jeorgina
Theo & Jeorgina
Girl
Greece
earthworker; farmer
#589
Melica
Theo & Melica
Girl
Greece
honey
#591
Demetrias
Theo & Demetrias
Unisex
Greece
Of Demeter; belonging to the earth.
#592
Nautia
Theo & Nautia
Girl
Greece
of the sea
#594
Corene
Theo & Corene
Girl
Greece
maiden, girl
#598
Phyllis
Theo & Phyllis
Girl
Greece
Leafy; green bough.
#600
Dorian
Theo & 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
Loanna
Theo & Loanna
Girl
Greece
God is gracious
#612
Eureka
Theo & Eureka
Girl
Greece
I have found it
#616
Evangelena
Theo & Evangelena
Girl
Greece
Bearer of good news
#617
Katyna
Theo & Katyna
Girl
Greece
pure; a variation of Katherine, meaning 'pure'.
#621
Myrtia
Theo & Myrtia
Girl
Greece
myrtle; an evergreen shrub representing love
Aglaé
Theo & Aglaé
Girl
Greece
brightness, splendor
#624
Christobel
Theo & Christobel
Girl
Greece
Meaning 'Christ's beauty'.
#630
Hesta
Theo & Hesta
Girl
Greece
Star; Favorable
#630
Nicanora
Theo & Nicanora
Girl
Greece
Victory
#635
Aleithia
Theo & Aleithia
Girl
Greece
Truth
#636
Nesia
Theo & Nesia
Girl
Greece
Derived from 'nesos' meaning 'island' or a diminutive of 'Nesia,' often related to goddess names.
#637
Cassandra
Theo & 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
Pheba
Theo & Pheba
Girl
Greece
Bright, shining, or radiant.; Connected to the word 'phosphoros', meaning light-bringer.
Oreta
Theo & Oreta
Girl
Greece
mountain dweller
Phillis
Theo & Phillis
Girl
Greece
Variant of PHYLLIS.
#644
Ilithya
Theo & Ilithya
Girl
Greece
Dream; vision
#648
Alexandreia
Theo & Alexandreia
Girl
Greece
defender of mankind
#650
Erini
Theo & Erini
Girl
Greece
Peace
#651
Klhroe
Theo & Klhroe
Girl
Greece
Green shoot; to bloom
#652
Sopia
Theo & Sopia
Girl
Greece
wisdom
#653
Perseis
Theo & Perseis
Girl
Greece
To sprinkle
#654
Sotiria
Theo & Sotiria
Girl
Greece
Savior, deliverance
#659
Coryna
Theo & Coryna
Girl
Greece
a girl, a maiden
#660
Alexandrah
Theo & Alexandrah
Girl
Greece
Defender of man
#661
Etna
Theo & Etna
Girl
Greece
gift of the sun
Loutricia
Theo & Loutricia
Girl
Greece
Derived from 'loutrós', meaning 'lake' or 'feminine water'.
#665
Ianthe
Theo & Ianthe
Girl
Greece
Violet flower.
#666
Ele
Theo & Ele
Girl
Greece
light, torch
#669
Demeteria
Theo & Demeteria
Girl
Greece
of Demeter, goddess of the harvest.
#670
Phylis
Theo & Phylis
Girl
Greece
foliage, green bough
#670
Ophia
Theo & Ophia
Girl
Greece
serpent
Basilisa
Theo & Basilisa
Girl
Greece
queen; empress; royal lady
#676
Euleta
Theo & Euleta
Girl
Greece
Derived from 'Eulalia', meaning sweet speaking or well-spoken
#676
Andea
Theo & Andea
Girl
Greece
brave, courageous
#679
Katharin
Theo & Katharin
Girl
Greece
Greek
#685
Persaeus
Theo & Persaeus
Girl
Greece
persuader
#686
Elenis
Theo & Elenis
Girl
Greece
a variation of Helen, meaning 'light' or 'shining light'
#690
Marianthi
Theo & Marianthi
Girl
Greece
A combination of Mary and flower.
#691
Staphanie
Theo & Staphanie
Girl
Greece
crown or garland
#695
Alexia
Theo & Alexia
Girl
Greece
Defender, protector, helper
#696
Ktherine
Theo & Ktherine
Girl
Greece
Pure
#697
Kyra
Theo & Kyra
Girl
Greece
Variant of KIRA (2), sometimes considered a feminine form of CYRUS.
#698
Patrinia
Theo & Patrinia
Girl
Greece
little patron
#699
Gyna
Theo & Gyna
Girl
Greece
woman, female
#705
Illythia
Theo & Illythia
Girl
Greece
midwife, healer
#706
Alexaundra
Theo & Alexaundra
Girl
Greece
defender of men
#708
Ismene
Theo & Ismene
Girl
Greece
knowledgeable
#711
Etolia
Theo & Etolia
Girl
Greece
A beloved name with deep roots
#712
Efstathia
Theo & Efstathia
Girl
Greece
well-being
#714
Narcissus
Theo & Narcissus
Girl
Greece
Latinized form of Greek Ναρκισσος (Narkissos), possibly derived from ναρκη (narke) meaning "sleep, numbness".
Alexea
Theo & Alexea
Girl
Greece
defender of mankind
#721
Dorothie
Theo & Dorothie
Girl
Greece
Gift of God; Derived from the name Dorothy.
#723
Vassie
Theo & Vassie
Girl
Greece
queen
Xairexis
Theo & Xairexis
Girl
Greece
to rejoice, to be cheerful
#726
Akadia
Theo & Akadia
Girl
Greece
from Arcadia, which describes a region of peace and harmony
#735
Elthea
Theo & Elthea
Girl
Greece
Healer
#736
Lycia
Theo & Lycia
Girl
Greece
from Lycia; light or illumination
#745
Delfinia
Theo & Delfinia
Girl
Greece
Dolphin
Persephone
Theo & Persephone
Girl
Greece
Bringer of destruction; the one who brings about change.
#749
Axia
Theo & Axia
Girl
Greece
worthy
#750
Eluteria
Theo & Eluteria
Girl
Greece
freedom or liberty
#753
Patricha
Theo & Patricha
Girl
Greece
Derived from the name Patricia, meaning 'noble' or 'noblewoman'
#763
Antanasia
Theo & Antanasia
Girl
Greece
resurrection,
#764
Allexandra
Theo & Allexandra
Girl
Greece
defender of mankind
#766
Lyris
Theo & Lyris
Girl
Greece
lyre; harmony
#770
Vasilike
Theo & Vasilike
Girl
Greece
A feminine form of 'Vasilis', meaning 'royal' or 'kingly'.
#773
Alezandra
Theo & Alezandra
Girl
Greece
defender of mankind; variant of the name Alexandra
#774
Roxanna
Theo & Roxanna
Girl
Greece
Variant of ROXANA.
#774
Elpidia
Theo & Elpidia
Girl
Greece
Greek
#776
Corrinna
Theo & Corrinna
Girl
Greece
maiden; virgin
#778
Nichola
Theo & Nichola
Girl
Greece
victory of the people
#778
Aries
Theo & Aries
Unisex
Greece
Referring to the astrological sign of the Ram.
#785
Alexaundria
Theo & Alexaundria
Girl
Greece
Defender of mankind
#786
Dionisia
Theo & Dionisia
Girl
Greece
follower of Dionysus
#789
Melisa
Theo & Melisa
Girl
Greece
Honeybee
#789
Litsa
Theo & Litsa
Girl
Greece
light
#791
Doris
Theo & 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
Theo & Vergina
Girl
Greece
The name means 'virgin', often associated with purity
#793
Rethea
Theo & Rethea
Girl
Greece
a variant of 'Rhea', the mother of the gods, associated with fertility and the flow of life
#802
Alithea
Theo & Alithea
Girl
Greece
truth
#807
Eftihia
Theo & Eftihia
Girl
Greece
Ευτυχία
#807
Galathia
Theo & Galathia
Girl
Greece
Calm seas
#835
Kenteria
Theo & Kenteria
Girl
Greece
Shining, bright.
#835
Kiriana
Theo & Kiriana
Girl
Greece
belonging to the Lord
#839
Sarepta
Theo & Sarepta
Girl
Greece
a city in ancient Phoenicia, modern-day Sarafand
Mirtis
Theo & Mirtis
Girl
Greece
A name derived from a term meaning 'myrtle', a symbol of love and beauty.
#843
Nikera
Theo & Nikera
Girl
Greece
Victory
#843
Appollonia
Theo & Appollonia
Girl
Greece
of Apollo
#862
Hellene
Theo & Hellene
Girl
Greece
Bright, shining light
#869
Cynthia
Theo & Cynthia
Girl
Greece
moon goddess
#871
Demetriona
Theo & Demetriona
Girl
Greece
Follower of Demeter, the goddess of harvest.
#875
Barbara
Theo & Barbara
Girl
Greece
Foreign; strange
#876
Myrtus
Theo & Myrtus
Girl
Greece
Derived from the myrtle plant, symbolizing love and beauty.
#878
Ecclesia
Theo & Ecclesia
Girl
Greece
assembly
#883
Phylisia
Theo & Phylisia
Girl
Greece
a variant of ‘Phyllis’, meaning ‘foliage’ or ‘leaf’
#884
Eolia
Theo & Eolia
Girl
Greece
Wind; inhabitant of Aeolis
#885
Althea
Theo & Althea
Girl
Greece
healer
#887
Stefaine
Theo & Stefaine
Girl
Greece
crowned, garlanded
#892
Demetris
Theo & Demetris
Unisex
Greece
follower of Demeter, goddess of harvest
#893
Yeleini
Theo & Yeleini
Girl
Greece
Light, bright
#896
Christia
Theo & Christia
Girl
Greece
Follower of Christ
#899
Liddia
Theo & Liddia
Girl
Greece
a form of Lydia, meaning 'from Lydia'; derived from Lydia, associated with beauty and nobility
#904
Sidona
Theo & Sidona
Girl
Greece
From Sidon, an ancient Phoenician city.
#908
Sotera
Theo & Sotera
Girl
Greece
Savior or deliverer
#910
Philicia
Theo & Philicia
Girl
Greece
lover of horses; a female friend
#911
Despena
Theo & Despena
Girl
Greece
Derived from the word 'despoina', meaning 'lady' or 'mistress'.; Often associated with the concept of divine protection or honor.
#912
Efthimia
Theo & Efthimia
Girl
Greece
well-being
#914
Alexnadra
Theo & Alexnadra
Girl
Greece
Defender of mankind
#917
Kanella
Theo & Kanella
Girl
Greece
κανέλα, يعني القرفة
#918
Alaxandria
Theo & Alaxandria
Girl
Greece
defender of mankind
#919
Arnissa
Theo & Arnissa
Girl
Greece
gift of grace
#930
Magalis
Theo & Magalis
Girl
Greece
Great
#930
Stefeni
Theo & Stefeni
Girl
Greece
Crown or garland
#932
Anthonia
Theo & Anthonia
Girl
Greece
Priceless
#933
Eunice
Theo & Eunice
Girl
Greece
Good victory
#940
Aleksia
Theo & Aleksia
Girl
Greece
Defender of mankind
#944
Valasia
Theo & Valasia
Girl
Greece
strong, healthy; powerful
#944
daphane
Theo & daphane
Girl
Greece
Laurel tree; victory
#945
Ileia
Theo & Ileia
Girl
Greece
Helen's beauty, shining light
#950
Khristi
Theo & Khristi
Girl
Greece
Christian, follower of Christ
#950
Galatea
Theo & Galatea
Girl
Greece
She who is milk-white
#951
Chandris
Theo & Chandris
Girl
Greece
Shining; bright
#955
Desdemona
Theo & Desdemona
Girl
Greece
Derived from Greek δυσδαιμων (dysdaimon) meaning "ill-fated". This was the name of the murdered wife of Othello in Shakespeare's play 'Othello' (1603).
Onetia
Theo & Onetia
Girl
Greece
Little One, derived from the Greek 'on' meaning 'to be' or 'exist'
#960
Clydia
Theo & Clydia
Girl
Greece
notable, famous, or a person of renown
Udora
Theo & Udora
Girl
Greece
a gift from the gods
#966