|Holley||rare: E Ulster: Ir. Mac Cuilinn, formerly Mac Uighilin from Hugelin, diminutive of Hugh. Usually MacQuillan; a Welsh family who settled in Antrim in 13 cent. A case of mistranslation because cuileann means holly. See also Holly. MIF & SGG.|
|Holly||Quite numerous: Kerry-Clare etc. Ir. Mac Cuilinn (cuileann, holly). Always associated with Kerry. There is another group in Antrim - see Holley. MIF.|
|Whooley||Quite numerous: W Cork etc. Ir. Ó h-Uallaigh, uallach, proud. An agnomen adopted by some of the O'Driscolls of W Cork. SI.|
Parishes where Holy and a second surname are found together
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