Girl name · Greek
Alethea
“truth”
Vibes
Explore Alethea further
Similar-feel alternatives, or middle-name candidates that pair well with Alethea — both ranked by the same scoring system (vibe overlap, syllable rhythm, origin compatibility).
About the name
Alethea is Greek — aletheia, "truth," literally "un-forgetting" — a virtue name coined by seventeenth-century English parents who wanted philosophy on the christening certificate.
The name has never charted meaningfully in America, which is its gift: a genuine rarity with impeccable classical papers and a sound as soft as its meaning is hard.
Four gentle syllables (ah-LEE-thee-ah) hiding a philosopher's spine. Thea makes a luminous short form. It pairs well with grounded middles (Alethea Ruth, Alethea Mae). On our vibe map it drifts between Soft & Dreamy and Dark Academia — truth in a linen dress.
More Greek names
Alethea sits in our Greek set — these share its roots.
All Greek names →Alethea — common questions
Is Alethea a boy or girl name?
Alethea is traditionally a girl name of Greek origin.
What does the name Alethea mean?
Alethea means “truth” of Greek origin. Alethea is Greek — aletheia, "truth," literally "un-forgetting" — a virtue name coined by seventeenth-century English parents who wanted philosophy on the christening certificate.
Where does the name Alethea come from?
Alethea is Greek in origin. The name has never charted meaningfully in America, which is its gift: a genuine rarity with impeccable classical papers and a sound as soft as its meaning is hard.
How popular is Alethea?
Alethea did not make the top 1,000 girls' names in US Social Security Administration data for 2025, which makes it genuinely rare in the US.
Bring the name into the room
A couple of nice things named Alethea you might want for the nursery.