In 2025, 1,529 US boys were named Simon, making it the 230th most common boys’ name of the year, up 21 places from #251 in 2024. That is 117 more than the 1,412 boys named Simon in 2024. Its best rank for boys was #142, reached in 1888. The most boys given the name in a single year was 1,645, in 2015. For comparison, it was #235 in 2015 and #443 in 1950.
Social Security card records list Simon in every one of the 146 years from 1880 to 2025; in 1880 there were 88 babies with the name. In all, 70,444 US babies have been given the name, 0.2% of them girls and 99.7% boys. Its busiest decade was the 2010s, with 14,904 babies named Simon.
Over the 10 years from 2016 to 2025, 14,462 US boys were named Simon; the busiest of those years was 2016, with 1,558. In 2025 that was about 1 in 1,117 of the boys in SSA’s list for the year.
Among the states, Simon ranked highest in District of Columbia in 2025, at #65 for boys there. It was in the top 100 in 1 state (counting DC). Related spellings in the SSA files include Simone (28,067 babies since 1880), Simeon (9,487 babies since 1880), Shimon (5,492 babies since 1880) and Symone (4,376 babies since 1880). Rarer spellings such as Simonne, Symon and Szymon are summarised on this page. The open nickname list we use links it to Si and Sion.