Family name origins & meanings
- Norwegian (Meløy) : habitational name from any of several farmsteads on islands so named, from Old Norse meðal ‘middle’ (or melr ‘sandbank’, ‘gravel bank’) + øy ‘island’.
- Norwegian (Mjǫløy) : habitational name from a farmstead named with mjǫl ‘flour’, ‘sand’ + øy ‘island’.
- Irish : variant of Malloy.