This name was moderately popular through most of the 20th century, and became very popular around the turn of the 21st century. It was the highest ranked name for girls in the United States from 1996 to 2007, attaining similar levels in other English-speaking countries around the same time.
Famous bearers include the British author Emily Brontë (1818-1848), known for the novel Wuthering Heights, and the American poet Emily Dickinson (1830-1886).
In the United States this form was much less common than Isabel until the early 1990s, when it began rapidly rising in popularity. It reached a peak in 2009 and 2010, when it was the most popular name for girls in America, an astounding rise over only 20 years.
A famous bearer is the Italian actress Isabella Rossellini (1952-).