NameTrendsU.S. Baby Name Data

Dylan vs Dyllan

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

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■ Dylan  ■ Dyllan

Dylan

Total recorded births418,679
Peak year2001 (#21)
Years on the list73
10-year trend-18.5%

Dyllan

Total recorded births3,302
Peak year1999 (#835)
Years on the list40
10-year trend-47.7%

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.