Lillian vs. Lily: which name is older?
The average Lillian is 29 and the average Lily is 16, so Lillian is the older name, by about 14 years.
Lillian
Lily
When was each name popular?
Lillian peaked first, in 1920 (in the early 1920s). Lily peaked in 2011, 91 years later.
Which name is more common?
There are about 200,000 Lillians and about 180,000 Lilys alive in the US, so there are about 15% more Lillians than Lilys.
Boys or girls?
Both are girls' names: over 99% of living Lillians and over 99% of living Lilys are women.
Names the same age as Lillian
Names the same age as Lily
More comparisons: Lillie vs. Lily · Lilian vs. Lillian
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Lillian or Lily: questions
Which is older, Lillian or Lily?
The average Lillian is 29 and the average Lily is 16, so Lillian is the older name, by about 14 years.
How old is the average Lillian?
The average Lillian in the US is 29; half of all living Lillians are between 11 and 41.
How old is the average Lily?
The average Lily in the US is 16; half of all living Lilys are between 8 and 20.
Which is more common, Lillian or Lily?
There are about 200,000 Lillians and about 180,000 Lilys alive in the US, so there are about 15% more Lillians than Lilys.
Estimates from Social Security Administration baby-name records (births 1880–2025) and SSA cohort life tables (2026 Trustees Report). How we calculate this