Millie

Origin: Diminutive of Mildred, Millicent, Emily, Amelia, or Camilla (from English (clipped diminutive))

Girl's name · #73 in the US (2025) · Comeback

Popularity over time

Millie was #128 in 1881, slipped to #3409 by 1996, and reached #73 in 2025 — its highest rank ever. Roughly 46,000 girls have been named Millie since 1880. In all that time it has never once missed a year of the national records.

Thoroughly Modern Millie opened on Broadway in 2002, with Sutton Foster in the title role. US births of Millie rose from 91 that year to 174 in 2003, before falling to 145 in 2004.

Across the states

See where Millie is more common.

Appears in 2020-2025 birth records of 51 states. See the full state-by-state map on this page.

Around the world

Millie is especially popular in Scotland.

#7 in Scotland (2025) · #16 in New Zealand (2025) · #29 in Australia (QLD) (2025) · #36 in England & Wales (2025) · #36 in Ireland (2025) · #40 in Australia (NSW) (2025) · #43 in Australia (VIC) (2025) · #71 in Belgium (2025) · #79 in Netherlands (2025) · #92 in Sweden (2025) · #102 in N. Ireland (2025) · #149 in Norway (2025) and 5 more.

Famous Millies

Millie Bobby Brown — British actress (born 2004)
Millie Hughes-Fulford — Astronaut, academic researcher (1945–2021)
Millie Perkins — American actress (born 1938)
Millie Bright — English association football player
Millie Small — Jamaican singer (1947–2020)

In stories & tradition

Millie Tant — Viz
Millie — The Rocketeer (film)
Millie Farquhar — The New Aladdin (musical stage work)

What Millies become

Among 132 notable people named Millie:

Entertainers appear 2.3× more often than among typical names — e.g. Millie Bobby Brown, British actress (born 2004).

Similar names: Miley · Eloise · Myla · Lilly · Hallie · Rylee

Browse more girl names — popularity, trends and eras for 5,700+ American names, free.

About · Privacy Policy · Terms of Service