In the English-speaking world this name is more commonly given to girls. This is due to the American actress Alexis Smith (1921-1993), who began appearing in movies in the early 1940s. It got a boost in popularity in the 1980s from a character on the soap opera Dynasty.
Already an uncommon masculine name, it slowly grew in popularity for American girls beginning in 1978 after the start of the sitcom WKRP in Cincinnati, which featured a character with this name. Though it remained more common as a feminine name, it got a boost for boys in 1994 from another television character on the drama Party of Five. In the United Kingdom and Australia it has always been more popular for boys.
This name was popular throughout the English-speaking world in the early 20th century. It staged a comeback in the early 21st century, returning to the American top ten in 2017.