In 2025, 47 US girls were named Isamar, making it the 3,312th most common girls’ name of the year, down 216 places from #3,096 in 2024. That is 5 fewer than the 52 girls named Isamar in 2024. Its best rank for girls was #531, reached in 1990. That year also had the most girls given the name: 447. For comparison, it was #4,252 in 2015 and unranked in 1950.
Social Security card records list Isamar in 36 years of the 146 from 1880 to 2025, starting in 1990 with 470 babies. In all, 2,528 US babies have been given the name, 96% of them girls and 3.6% boys. Its busiest decade was the 1990s, with 1,626 babies named Isamar.
Over the 10 years from 2016 to 2025, 337 US girls were named Isamar; the busiest of those years was 2024, with 52. In 2025 that was about 1 in 34,197 of the girls in SSA’s list for the year.
Related spellings in the SSA files include Isa (6,575 babies since 1880). Rarer spellings such as Izamar, Issamar and Ysamar are summarised on this page.