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Milli
Pronounced MIL-ee /ˈmɪl.i/High
Meaning: -i spelling of Millie — a pet form of Mildred ('gentle strength') or Amelia/Camilla ('industrious'); routes layeredLow
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
Milli is an -i spelling of Millie — a pet form of Mildred, 'gentle strength', or of Amelia/Camilla, 'industrious' (routes layered, which we note). A sweet, vintage-cool name; the -i styling personalizes it (also a German pet name).
It registers thinly beside Millie. Rare, gentle-strength at the root, and vintage.
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Frequently Asked
What does the name Milli mean?
Milli spells Millie — a pet form of Mildred ('gentle strength') or Amelia ('industrious'); the routes are layered.
How do you pronounce Milli?
It's said MIL-ee /ˈmɪl.i/ — two syllables, stress on the first.
Is Milli a boy or girl name?
Milli is a girl's name.
How popular is Milli?
Milli is a rare spelling in the U.S.; Millie is more common.