Millie

Originally a pet form of Mildred, Millicent, or Camilla. Millicent came from the Germanic Amalswinth, joining amal, 'work', with swinth, 'strength'.

Millie in 2025

Millie was given to 3,353 babies in the United States in 2025, making it the 183rd most popular name of the year. That is roughly one in every 989 babies born.

The history of Millie

Millie reached its highest point in 2025, when 3,353 babies were given the name, ranking 183rd that year.

Across the 146 years of records since 1880, 46,138 babies have been named Millie. Half of them were born before 1991, which places the name's centre of gravity with Millennials.

Millie by decade

DecadeBabies named MillieBest rank
1880s1,527218
1890s1,959253
1900s1,995294
1910s4,190376
1920s3,978542
1930s2,633663
1940s2,282800
1950s1,9321,005
1960s1,2891,405
1970s7411,861
1980s4622,920
1990s4723,994
2000s1,5781,581
2010s6,860521
2020s14,240183

Where Millie is heading

Millie has grown more than 4.9 times over the past decade, from 682 babies in 2015 to 3,353 in 2025.

Names like Millie

Names that rose and fell at the same time as Millie.

Browse the most popular baby names