Skip to content
BabyVibeNames

Growing the family after Theo

Sibling names for Theo

Names that sit comfortably next to Theo on a holiday card — same style and era, deliberately different sound. We push different first letters and rhythms so the pair reads as siblings, not twins-by-typo.

Sister names for Theo

Sophie

wisdom

Greek
Alethea

truth

Greek
Emi

blessed with beauty

Japanese
Tess

harvester

Greek
Petra

stone

Greek
Claire

bright, clear, luminous

French
Iris

rainbow; goddess of messages

Greek
Elise

God is my oath

French
Vella

beautiful, fair

Latin

Brother names for Theo

Soren

stern, severe

Danish
Linus

flax, lyre

Greek
Galen

calm, healer

Greek
Luca

light; man from Lucania

Italian
Angel

angel, messenger

Greek
Jude

praised, thanked

Hebrew
Atticus

man of Attica; classical literary anchor

Greek
Andrew

manly, brave, strong

Greek
Sebastian

venerable

Greek

Works either way

Onyx

black gemstone

Greek
Cleo

glory, fame

Greek
Eon

an age without end; eternal time

Greek

Keep exploring