Ryan is one of the most popular Irish names in the English-speaking world. It comes from the Irish surname O'Riain, meaning 'descendant of Rían.' The name Rían itself is derived from the Irish word rí, meaning 'king,' combined with a diminutive suffix, giving it the meaning 'little king.' The name has deep roots in Irish history and has been used as a surname for centuries. As a first name, Ryan became popular in the mid-20th century and has remained consistently popular, particularly in the United States and other English-speaking countries. In the United States, Ryan was a top 10 name in the 1990s. Its appeal comes from its Irish heritage, its meaning of nobility and leadership, and its friendly, approachable sound.