In 2025, 9 US boys were named Quillen, making it the 8,755th most common boys’ name of the year, up 5,007 places from #13,762 in 2024. That is 4 more than the 5 boys named Quillen in 2024. Its best rank for boys was #7,924, reached in 2020. That year also had the most boys given the name: 10. For comparison, it was #9,368 in 2015 and unranked in 1950.
Social Security card records list Quillen in 11 years of the 146 from 1880 to 2025, starting in 2001 with 5 babies. In all, 73 US babies have been given the name, all of them boys. Its busiest decade was the 2020s, with 37 babies named Quillen.
Over the 10 years from 2016 to 2025, 48 US boys were named Quillen; the busiest of those years was 2020, with 10. In 2025 that was about 1 in 189,786 of the boys in SSA’s list for the year.
Related spellings in the SSA files include Cullen (16,703 babies since 1880).