Names / Girl names
Millie
Current rank
#73
and rising
All-time peak
#73
in 2025
First recorded
1880
in U.S. data
Children named
46,100
since 1880
Popularity over time
Annual U.S. children given the name · Peak #73 in 2025 · Source: Social Security Administration
Meaning & background
Recorded as a girls' name, Millie makes its debut in 1880. Its strongest year was 2025, at #73 nationally. Today it sits at #73 and is still gaining ground. Across all years, more than 46,100 children have been named this.