Due to the saint's popularity, the name came into general use in medieval Europe, especially in Spain and France. It was also borne by a 16th-century king of Portugal who died in a crusade against Morocco.
This name has never been common in the English-speaking world, though it has been well-used elsewhere in Europe. A famous bearer was the Italian Renaissance master Raffaello Sanzio (1483-1520), usually known simply as Raphael in English.
During the 20th century, Graham was more common in the United Kingdom, Australia and Canada than it was in the United States. However, it has been rising on the American charts since around 2006.
In America, this name received boosts in popularity from main characters in the movies The Jackal (1997) and Leap Year (2010).