Meaning and history
Liam is an Irish short form of William that became popular in the United Kingdom in the 1980s and later spread elsewhere in Europe and the Americas. It has been the top-ranked boys’ name in the United States since 2017. Notable bearers include Irish actor Liam Neeson (1952–), British musician Liam Gallagher (1972–), and Australian actor Liam Hemsworth (1990–).
Liam's rise is a striking part of the modern US rankings. It rose from #140 in 2000 and entered its current top-10 run in 2012. It has held the #1 position for boys since 2017. Its highest annual birth count came in 2024, with 22,252 births.