Variant of Darrell. Like its variant Daryl, it is occasionally borne by women, no doubt by analogy with names such as Cheryl. A recent influence on the girl's name is the actress Daryl Hannah (b. 1960).
English (especially Yorkshire) and Scottish: occupational name for a fuller, Middle English walkere, Old English wealcere, an agent derivative of wealcan ‘to walk, tread’. This was the regular term for the occupation during the Middle Ages in western and northern England. Compare Fuller and Tucker. As a Scottish surname it has also been used as a translation of Gaelic Mac an Fhucadair ‘son of the fuller’.