You're 20% Irish
You're not Irish. Not even a wee bit.
Not even on St. Patrick's Day!
How Irish Are You? Aww, just because I'm not Catholic and don't get drunk all the time? Poo. Although my actual Irish blood is probably less than 20%, despite my very Irish-sounding name. Back in school I'd write my name on papers as "Katie O'Sullivan on March 17th. Heh.