NameTrends.U.S. Baby Name Data

William vs Williams

William vs Williams: side-by-side popularity history from official U.S. Social Security birth records.

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■ William  ■ Williams

William

Total recorded births4,199,696
Peak year1947 (#4)
Years on the list146
10-year trend-22.9%

Williams

Total recorded births6,126
Peak year1950 (#746)
Years on the list146
10-year trend+11.3%

Figures are from the U.S. Social Security Administration Popular Baby Names dataset (public domain). Names with fewer than 5 recorded births in a year or state are suppressed by the source.