Dejah

♀ Girl

Pronounced DEE-zhah /ˈdi.ʒə/Medium

Meaning: A modern name, variously echoing Dejah Thoris (the Princess of Mars in Edgar Rice Burroughs's novels) and French deja, 'already'; routes layeredLow

In 30 seconds: A modern name; a Dejah Thoris echo: Dejah. Lyrical, modern, and warm (said 'DEE-zhah').

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Origin LowAmerican, French

MeaningA modern name, variously echoing Dejah Thoris (the Princess of Mars in Edgar Rice Burroughs's novels) and French deja, 'already'; routes layered

U.S. rank (2025)#7990 ↘ Falling

2025 U.S. births13 girls (0.00% of U.S. girls)

Peak year1999

Total births (all-time)≈ 3,163

Popularity in the U.S. · SSA data

U.S. births per year (Social Security Administration, 1880–present). Pink marker = peak year.

SSA data updated May 2026. How we source & verify this data.

History & Origin

Dejah is a modern name, variously echoing Dejah Thoris (the Princess of Mars in Edgar Rice Burroughs's novels) and French deja, 'already' (routes layered, which we note). A lyrical, modern name (said 'DEE-zhah'; nickname Deja).

In the U.S. it appears as a modern name. Rare, a-Princess-of-Mars echo, and lyrical.

Did you know? Dejah is a modern name, variously echoing Dejah Thoris (the Princess of Mars in Edgar Rice Burroughs's novels) and French deja, 'already' — a lyrical, modern name (the routes are layered, which we note; said 'DEE-zhah').

Overall data confidence 32%

References — Dejah — routes layered

Variations

DejaDejhaDayja

Nicknames

Deja

Famous Bearers

Famous bearers coming soon.

If you like Dejah…

Deja— a kin spelling

Asia— a sound-neighbor -ja girls' name

Aja— another -ja girls' name

Seylah— lands in the same popularity range

Kaylah— shares the -ah ending

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Frequently Asked

What does the name Dejah mean?

Dejah is a modern name echoing Dejah Thoris (Princess of Mars) and French deja, 'already'; the routes are layered.

How do you pronounce Dejah?

It's said DEE-zhah /ˈdi.ʒə/ — two syllables, stress on the first.

Is Dejah a boy or girl name?

Dejah is a girl's name.

How popular is Dejah?

Dejah is a rare name in the U.S.