Girl name
Millie
As of 2025, Millie ranks #73 among American girls' names, according to Social Security records. 3,353 girls received the name that year. It has climbed from #190 to #73 over the past five years. Remarkably, 2025 is the strongest year in the entire SSA record for Millie, which stretches back to 1880. Geographically, it's strongest in Utah, where it ranks #14 among girl names.
Rankings
2025 rank
#73
among girl names
Trend
Rising
last 5 years
All-time peak
#73
in 2025 (2020s)
Babies in 2025
3,353
girls named Millie
Millie popularity, 1880–2025
Where Millie is most popular
Share of girls born in 2025:lowhighno data (< 5 births)
Strongest states: Wyoming (#15), Montana (#25), North Dakota (#26)
Uniqueness score
19/ 100Ultra popular
everywhereone of a kind
You'll meet plenty of them — a true chart-topper. Based on how many babies per birth were named Millie in the most recent year of SSA data.
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