Girl & boy name
Mason
Mason is currently the #39 boy name in the United States, based on 2025 Social Security data. In raw numbers: 6,291 babies. It has drifted down the charts over the past five years, from #11 to #39. Looking at the full record since 1880, Mason hit its all-time high of #2 in 2011, when 19,530 boys were given the name. State by state, Delaware leads the way at #10.
Rankings
Mason popularity, 1880–2025
Where Mason is most popular
Uniqueness score
You'll meet plenty of them — a true chart-topper. Based on how many babies per birth were named Mason in the most recent year of SSA data.
Mason as a girl name
Mason holds the #3130 spot on the 2025 list of the most popular girl names in the U.S. That amounts to 51 newborn girls in a single year. The name has been cooling off, slipping from #2549 in 2020 to #3130 today. Its strongest year on record was 1997 (#1181 nationally, 155 newborns), in a data series reaching back to 1916. The name's biggest fan base is in Texas (#2636 there in 2025).