Millie

“Diminutive of Mildred, Millicent, Emily, Amelia, or Camilla” — English (clipped diminutive) origin

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

Millie has appeared in US records since 1880 — best rank #73 (2025) · 45,926 babies named Millie all-time · 1 in 480 girls born in 2025.

Around the world: #7 in Scotland (2025) · #16 in New Zealand (2025) · #29 in Australia (QLD) (2025) · #36 in England & Wales (2025) · #36 in Ireland (2025).

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

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
Millie Farquhar — The New Aladdin

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).

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