How many babies in Australia have been named Louis?

Between 2010 and 2025, Louis was registered for 5,498 babies in the available state datasets.

Is Louis a popular name in Australia?

In 2025, Louis ranked #51 among boys' names in Australia, with 398 registrations.

boys' name 2010–2025

Louis is making a comeback — from #127 in 2010 to #51 in 2025.

#51 ranked in 2025

398 registrations in 2025

5,498 total 2010–2025

That's a jump of 76 positions. Registrations grew from 7 to 398 (+5586%).

Peak popularity: 2019 (490 registrations, ranked #48).

Peak 2019 · 490

Low 2010 · 7

Years tracked 16

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#51 Louis 398

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

Louis — 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 (136 babies) , least popular in South Australia (38).

New South Wales

136 #55

Victoria

136 #45

Queensland

88 #61

South Australia

38 #37

Australian Capital Territory

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Northern Territory

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Tasmania

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Western Australia

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In 2025: 398 babies named Louis across 4 of 8 states and territories.

How many babies in Australia have been named Louis?: Between 2010 and 2025, Louis was registered for 5,498 babies in the available state datasets.
Is Louis a popular name in Australia?: In 2025, Louis ranked #51 among boys' names in Australia, with 398 registrations.