In 2025, 66 US boys were named Sylus, making it the 2,180th most common boys’ name of the year, up 487 places from #2,667 in 2024. That is 16 more than the 50 boys named Sylus in 2024. Its best rank for boys was #1,753, reached in 2013. That year also had the most boys given the name: 84. For comparison, it was #2,207 in 2015 and unranked in 1950.
Social Security card records list Sylus in 28 years of the 146 from 1880 to 2025, starting in 1998 with 5 babies. In all, 1,244 US babies have been given the name, all of them boys. Its busiest decade was the 2010s, with 674 babies named Sylus.
Over the 10 years from 2016 to 2025, 559 US boys were named Sylus; the busiest of those years was 2016, with 70. In 2025 that was about 1 in 25,880 of the boys in SSA’s list for the year.
Among the states, Sylus ranked highest in Washington in 2025, at #1,141 for boys there. It was not in the top 100 of any state. Related spellings in the SSA files include Silas (75,649 babies since 1880), Sylas (8,966 babies since 1880), Sylis (1,043 babies since 1880) and Cylas (1,034 babies since 1880).