This was the name of a 13th-century Italian saint who made clothes for the poor. As an English name, it has never been common.
The name received a boost in popularity after it was borne by the antagonist in the horror movie The Ring (2002).
This name has also functioned as an Anglicized form of Scottish Ruaridh or Welsh Rhydderch.
This name experienced a rise in popularity at the end of the 20th century. It was the most popular name for girls in England and Wales from 2011 to 2015.