In 2025, 12 US boys were named Glendon, making it the 6,934th most common boys’ name of the year, up 48 places from #6,982 in 2024. That is 0 more than the 12 boys named Glendon in 2024. Its best rank for boys was #624, reached in 1933. The most boys given the name in a single year was 118, in 1975. For comparison, it was #4,016 in 2015 and #1,079 in 1950.
Social Security card records list Glendon in 120 years of the 146 from 1880 to 2025, starting in 1904 with 5 babies. In all, 4,759 US babies have been given the name, 1.3% of them girls and 99% boys. Its busiest decade was the 1920s, with 850 babies named Glendon.
Over the 10 years from 2016 to 2025, 134 US boys were named Glendon; the busiest of those years was 2017, with 19. In 2025 that was about 1 in 142,340 of the boys in SSA’s list for the year.
Rarer spellings such as Glyndon, Glendine and Glenden are summarised on this page.