Louise vs. Lucy: which name is older?
The average Louise is 69 and the average Lucy is 28, so Louise is the older name, by about 41 years.
Louise
Lucy
When was each name popular?
Louise peaked first, in 1920 (in the early 1920s). Lucy peaked in 2025, 105 years later.
Which name is more common?
There are about 75,000 Louises and about 130,000 Lucys alive in the US, so there are about 78% more Lucys than Louises.
Boys or girls?
Both are girls' names: over 99% of living Louises and over 99% of living Lucys are women.
Names the same age as Louise
Names the same age as Lucy
Think you can guess a Louise's age?
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Louise or Lucy: questions
Which is older, Louise or Lucy?
The average Louise is 69 and the average Lucy is 28, so Louise is the older name, by about 41 years.
How old is the average Louise?
The average Louise in the US is 69; half of all living Louises are between 64 and 83.
How old is the average Lucy?
The average Lucy in the US is 28; half of all living Lucys are between 7 and 45.
Which is more common, Louise or Lucy?
There are about 75,000 Louises and about 130,000 Lucys alive in the US, so there are about 78% more Lucys than Louises.
Estimates from Social Security Administration baby-name records (births 1880–2025) and SSA cohort life tables (2026 Trustees Report). How we calculate this