In 2025, 119 US boys were named Jonathon, making it the 1,488th most common boys’ name of the year, up 52 places from #1,540 in 2024. That is 5 more than the 114 boys named Jonathon in 2024. Its best rank for boys was #124, reached in 1990. That year also had the most boys given the name: 2,668. For comparison, it was #877 in 2015 and #748 in 1950.
Social Security card records list Jonathon in 104 years of the 146 from 1880 to 2025, starting in 1912 with 5 babies. In all, 65,836 US babies have been given the name, 0.3% of them girls and 99.6% boys. Its busiest decade was the 1990s, with 21,488 babies named Jonathon.
Over the 10 years from 2016 to 2025, 1,520 US boys were named Jonathon; the busiest of those years was 2016, with 207. In 2025 that was about 1 in 14,354 of the boys in SSA’s list for the year.
Among the states, Jonathon ranked highest in Michigan in 2025, at #693 for boys there. It was not in the top 100 of any state. Related spellings in the SSA files include Jonathan (874,440 babies since 1880), Johnathon (25,652 babies since 1880), Johnathan (98,611 babies since 1880) and Jonatan (3,725 babies since 1880). The open nickname list we use links it to John, Johnathan, Johnathon, Johny, Jon and Jonathan.