How many babies in Australia have been named Theodore?

Between 2012 and 2025, Theodore was registered for 10,520 babies in the available state datasets.

Is Theodore a popular name in Australia?

In 2025, Theodore ranked #3 among boys' names in Australia, with 1,381 registrations.

boys' name 2012–2025

Theodore is making a comeback — from #157 in 2012 to #3 in 2025.

#3 ranked in 2025

1,381 registrations in 2025

10,520 total 2012–2025

That's a jump of 154 positions. Registrations grew from 5 to 1,381 (+27520%).

Peak popularity: 2025 (1,381 registrations, ranked #3).

Peak 2025 · 1,381

Low 2012 · 5

Years tracked 14

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#3 Theodore 1,381

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

Theodore — 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 (440 babies) , least popular in South Australia (98).

New South Wales

440 #3

Victoria

350 #5

Queensland

342 #3

Western Australia

151 #3

South Australia

98 #5

Australian Capital Territory

— #9*

Northern Territory

—

Tasmania

— #8*

In 2025: 1,381 babies named Theodore across 5 of 8 states and territories. (*rank-only states publish top-10 lists without counts)

How many babies in Australia have been named Theodore?: Between 2012 and 2025, Theodore was registered for 10,520 babies in the available state datasets.
Is Theodore a popular name in Australia?: In 2025, Theodore ranked #3 among boys' names in Australia, with 1,381 registrations.