In 2025, 21 US boys were named Greg, making it the 4,761st most common boys’ name of the year, down 284 places from #4,477 in 2024. That is 2 fewer than the 23 boys named Greg in 2024. Its best rank for boys was #77, reached in 1962. The most boys given the name in a single year was 5,397, in 1961. For comparison, it was #3,315 in 2015 and #228 in 1950.
Social Security card records list Greg in 104 years of the 146 from 1880 to 2025, starting in 1915 with 7 babies. In all, 77,849 US babies have been given the name, 0.2% of them girls and 99.8% boys. Its busiest decade was the 1960s, with 36,513 babies named Greg.
Over the 10 years from 2016 to 2025, 263 US boys were named Greg; the busiest of those years was 2016, with 38. In 2025 that was about 1 in 81,337 of the boys in SSA’s list for the year.
Related spellings in the SSA files include Gregory (714,753 babies since 1880) and Gregg (36,624 babies since 1880). Rarer spellings such as Grieg are summarised on this page.