How Many People Are Named Lillis?
people named Lillis are alive in the United States today (estimate)
About 1 in 3,452,372 people in the US has this name
Based on 637 babies named Lillis in Social Security records from 1880 to 1963, and the share of each birth year still alive in 2025.
Popularity Rank
💎💎 Very Rare
Population Percentage
Of US population
Peak Year
25 births
Trend
Last year given
⚧ Gender Distribution
All of the babies given the name Lillis in the records were girls.
👥 Age Distribution
The average person named Lillis alive today is about 79 years old, and 100% are 60 or older.
📈 Popularity Over Time
Lillis first appears in the records in 1880 and was given most often in 1919, to 25 babies. The last year it was given to at least 5 babies of one sex was 1963.
Babies given the name each year, 1880 to 1963
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