An's usage has held roughly steady recently. Today, An is a less common but recognizable name in U.S. records (ranked #4,121) with about 61 babies named An each year. At its height in 2010, An reached #3,415 nationally — 47 babies received it that single year. Its strongest stretch was the 2010s. In all, around 2,458 babies have been registered as An since 1880.