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).
Where Mason (girls) is most popular
Uniqueness score
Distinctive without being unheard of. Based on how many babies per birth were named Mason in the most recent year of SSA data.