Under the surname the name SLOWEY Appears spelt as Sloey and Slowey and the irish equivalent is Mac Sluaghadhaigh/O Sluaghadhaigh Armagh shows one household Fermanagh shows 1 household Mayo shows 1 household Monaghan shows 33 households. Fewer than 5 births in 1890 in Ireland for this surname Surname meaning SLOWEY Quite numerous in Fermanagh- Cavan- Monaghanetc. Irish Mac Sluaghaidh from Sluagh -army. Probbaly the leader of a a military expedition. The name has been long in West Ulster. May give you a lead to an area Cheers Cara