How many babies in Australia have been named Millie?

Between 2010 and 2025, Millie was registered for 3,136 babies in the available state datasets.

Is Millie a popular name in Australia?

In 2025, Millie ranked #37 among girls' names in Australia, with 470 registrations.

girls' name 2010–2025

Millie is making a comeback — from #144 in 2010 to #37 in 2025.

#37 ranked in 2025

470 registrations in 2025

3,136 total 2010–2025

That's a jump of 107 positions. Registrations grew from 6 to 470 (+7733%).

Peak popularity: 2025 (470 registrations, ranked #37).

Peak 2025 · 470

Low 2010 · 6

Years tracked 16

Names with similar popularity. If you're considering Millie, you might also like these:

#37 Millie 470

How often Millie was registered in each of the 8 Australian states and territories.

Millie — popularity by state & territory in 2025. Hover a state for details, click to view the full Top 50 for that state.

Show full data table

Most popular in New South Wales (155 babies) , least popular in South Australia (44).

New South Wales

155 #40

Victoria

136 #43

Queensland

135 #29

South Australia

44 #26

Australian Capital Territory

—

Northern Territory

—

Tasmania

—

Western Australia

—

In 2025: 470 babies named Millie across 4 of 8 states and territories.

How many babies in Australia have been named Millie?: Between 2010 and 2025, Millie was registered for 3,136 babies in the available state datasets.
Is Millie a popular name in Australia?: In 2025, Millie ranked #37 among girls' names in Australia, with 470 registrations.