I checked some directories and found a listing in Slater's 1846 for a Daniel Creany, butcher, main street Mallow.
In Pigot's 1827
Mich. Greany, main street - saddle and harness maker
Henry & Coughlan’s 1867
John Greany, main st - butcher
Slater's 1870
John Greany, main st - butcher
Shane