In 2025, 9 US boys were named Shamus, making it the 8,803rd most common boys’ name of the year. Its best rank for boys was #1,165, reached in 1975. The most boys given the name in a single year was 72, in 2007. For comparison, it was #5,030 in 2015 and unranked in 1950.
Social Security card records list Shamus in 61 years of the 146 from 1880 to 2025, starting in 1959 with 7 babies. In all, 1,778 US babies have been given the name, all of them boys. Its busiest decade was the 2000s, with 502 babies named Shamus.
Over the 10 years from 2016 to 2025, 100 US boys were named Shamus; the busiest of those years was 2016, with 24. In 2025 that was about 1 in 189,786 of the boys in SSA’s list for the year.
Rarer spellings such as Shaymus, Shamese and Shaemus are summarised on this page.