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).
Origin uncertain. 1. Probably of English origin, a topographic name from Middle English evre ‘edge of an escarpment’, ‘brow of a hill’, Old English (unattested) yfer. 2. Alternatively, perhaps a variant of Scottish Ure.