In 2025, 44 US boys were named Masen, making it the 2,868th most common boys’ name of the year, down 51 places from #2,817 in 2024. That is 2 fewer than the 46 boys named Masen in 2024. Its best rank for boys was #724, reached in 2012. That year also had the most boys given the name: 324. For comparison, it was #1,244 in 2015 and unranked in 1950.
Social Security card records list Masen in 36 years of the 146 from 1880 to 2025, starting in 1990 with 6 babies. In all, 3,335 US babies have been given the name, 2.8% of them girls and 97% boys. Its busiest decade was the 2010s, with 1,751 babies named Masen.
Over the 10 years from 2016 to 2025, 791 US boys were named Masen; the busiest of those years was 2016, with 146. In 2025 that was about 1 in 38,820 of the boys in SSA’s list for the year.
Among the states, Masen ranked highest in Michigan in 2025, at #1,213 for boys there. It was not in the top 100 of any state. Related spellings in the SSA files include Mason (345,931 babies since 1880), Mayson (6,039 babies since 1880), Maison (5,390 babies since 1880) and Masyn (2,239 babies since 1880).