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BabyNames
Girl name#563 of girl names

Millie

Pronounced M IH1 L IY0 (ARPABET)

  • 2 syllables
  • Peaked 2024
  • 145 years in use
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How popular is Millie?

Millie is a girls' name, and has been in the record since the data starts in 1880. It has been given to 46,497 children — the 563rd most common girls' name on record.

It is climbing hard: about four times as many births in the past decade as in the one before it. Its best single year was 2024, when 3,046 children were given it.

01,2502,5003,7505,00018901920195019802010
2024Girls: 3,046Boys: 0

Characteristics

  • 2 syllables
Phonetic detail
Pronunciations:
M IH1 L IY0
Stress pattern:
10
Syllables:
2

Stress digits mark unstressed (0), primary (1) and secondary (2) syllables.

Names like Millie

Same first letter and syllable count, peaking around the same time.

Sibling names for Millie

Names from the same era with a matching rhythm but a different initial.

Frequently asked questions

How popular is the name Millie?
Millie ranks 563rd among girls' names in US records, with 46,497 births since 1880. Over the past decade it accounts for 16,960.
Is Millie a unisex name?
No. Millie is recorded almost entirely as a girls' name; births to the other gender are too few to register as a share.
When was Millie most popular?
2024, when 3,046 children were given the name. It has been in use for 145 years and is still recorded as of 2024.