In 2025, 390 US boys were named Mac, making it the 696th most common boys’ name of the year, up 1 place from #697 in 2024. That is 1 more than the 389 boys named Mac in 2024. Its best rank for boys was #308, reached in 1942. The most boys given the name in a single year was 465, in 2022. For comparison, it was #1,098 in 2015 and #623 in 1950.
Social Security card records list Mac in 141 years of the 146 from 1880 to 2025, starting in 1880 with 7 babies. In all, 11,455 US babies have been given the name, 0.5% of them girls and 99% boys. Its busiest decade was the 2020s, with 2,323 babies named Mac.
Over the 10 years from 2016 to 2025, 3,118 US boys were named Mac; the busiest of those years was 2022, with 465. In 2025 that was about 1 in 4,380 of the boys in SSA’s list for the year.
Among the states, Mac ranked highest in Massachusetts in 2025, at #328 for boys there. It was not in the top 100 of any state. Related spellings in the SSA files include Malcolm (70,328 babies since 1880), Mack (42,900 babies since 1880) and Mace (1,977 babies since 1880). The open nickname list we use links it to Mc.
Meaning
Meaning not yet researched.
We publish a meaning only with a cited source and a confidence label, and never generate one. Meanings are being researched for the most common names first.
Wikidata records this spelling as a given name in Seediq. That is where the name is used, not necessarily where it comes from.