In 2025, 10 US boys were named Isacc, making it the 7,880th most common boys’ name of the year, down 2,744 places from #5,136 in 2024. That is 9 fewer than the 19 boys named Isacc in 2024. Its best rank for boys was #1,519, reached in 2003. That year also had the most boys given the name: 85. For comparison, it was #2,991 in 2015 and unranked in 1950.
Social Security card records list Isacc in 65 years of the 146 from 1880 to 2025, starting in 1923 with 7 babies. In all, 1,962 US babies have been given the name, all of them boys. Its busiest decade was the 2000s, with 721 babies named Isacc.
Over the 10 years from 2016 to 2025, 185 US boys were named Isacc; the busiest of those years was 2016, with 28. In 2025 that was about 1 in 170,808 of the boys in SSA’s list for the year.
Related spellings in the SSA files include Isaac (332,292 babies since 1880), Issac (24,571 babies since 1880), Isaak (4,271 babies since 1880) and Isac (3,203 babies since 1880).