Louisa

How popular is Louisa in the UK?

Rank in 2025

#631among girls

Babies in 2025

66about 1 in 4,200 girls

Five-year trend

Fallingdown 53% in five years

Same name in a class

under 1%chance among 15 girls

In 2025, 66 girls in the UK were named Louisa, making it the 631st most popular name for girls. Five years earlier, in 2020, it was 473rd. Its busiest year was 2007, with 298 girls.

Half of all the girls named Louisa in the UK since 1996 were born between 2001 and 2014. It was already well used in 1996, when the records begin, so earlier girls aren't counted.

In 2025, 96 girls in the UK were given Louisa or a name that sounds the same. With every name's spellings counted this way, that ranks #458, up from #631 for this spelling alone.

• Louisa 66
• Luisa 19
• Luiza 11

Among girls in 2025, it was 684th in England and Wales, 359th in Scotland and 397th in Northern Ireland.

In the England and Wales top 100 for girls, which the ONS has published every ten years since 1904: 1904 (#53) and 1914 (#73).

How popular is Louisa in the US?

Rank in 2025

#694among girls

Babies in 2025

407about 1 in 3,900 girls

Five-year trend

Steadydown 4% in five years

Same name in a class

under 1%chance among 15 girls

In 2025, 407 girls in the US were named Louisa, making it the 694th most popular name for girls. Five years earlier, in 2020, it was 725th. Its busiest year was 2021, with 424 girls.

It has been given to more girls each year for the last 3 years.

Half of all the girls named Louisa in the US since 1880 were born between 1920 and 2008. It was already well used in 1880, when the records begin, so earlier girls aren't counted.

In 2025, 737 girls in the US were given Louisa or a name that sounds the same. With every name's spellings counted this way, that ranks #442, up from #694 for this spelling alone.

• Louisa 407
• Luisa 294
• Luiza 36