Fewer than five US boys were named Loy in 2025, so it does not appear in that year’s SSA list for boys. Its best rank for boys was #479, reached in 1903. The most boys given the name in a single year was 93, in 1926. For comparison, it was unranked (under five boys) in 2015 and #999 in 1950.
Fewer than five US girls were named Loy in 2025, so it does not appear in that year’s SSA list for girls. Its best rank for girls was #1,427, reached in 1940. That year also had the most girls given the name: 29. For comparison, it was unranked (under five girls) in 2015 and #2,306 in 1950.
Social Security card records list Loy in 123 years of the 146 from 1880 to 2025, starting in 1881 with 5 babies. In all, 4,983 US babies have been given the name, 17% of them girls and 83% boys. Its busiest decade was the 1930s, with 951 babies named Loy.
Over the 10 years from 2016 to 2025, 20 US boys were named Loy; the busiest of those years was 2018, with 8.
Related spellings in the SSA files include Lou (38,198 babies since 1880), Lue (7,169 babies since 1880), Lu (4,081 babies since 1880) and Lua (1,089 babies since 1880). Rarer spellings such as Luoyi are summarised on this page.