A variation on the theme is still fairly common in northern regions, especially among the Protestant community but also with the fenians.I've never come across this before. Its a practice that appears to have died out in Ireland. Is it another part of our history that has been forgotten?
Another local tradition is the Donegal thing of inherited family nicknames, the origins of which might be lost in time. So you'll get people referred to as Paddy the Goose or Mickey Brick. It's the only way to tell distinct families apart when most of the county is named Doherty or McLaughlin