How Many People Are Named Wiiliam?
people named Wiiliam are alive in the United States today (estimate)
About 1 in 14,241,035 people in the US has this name
Based on 25 babies named Wiiliam in Social Security records from 1988 to 2009, and the share of each birth year still alive in 2025.
Popularity Rank
💎💎 Very Rare
Population Percentage
Of US population
Peak Year
8 births
Trend
Last year given
⚧ Gender Distribution
All of the babies given the name Wiiliam in the records were boys.
👥 Age Distribution
The average person named Wiiliam alive today is about 26 years old, and 80% are under 30.
📈 Popularity Over Time
Wiiliam first appears in the records in 1988 and was given most often in 1997, to 8 babies. The last year it was given to at least 5 babies of one sex was 2009.
Babies given the name each year, 1988 to 2009
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