So You Think You're Irish by Margaret Kelleher (941.5 K29) includes a test of your "Celtic Qualifications".  Try some of these:

1. Where did the potato blight of the 1840's, which led to famine in Ireland, originate?     a) Ireland   b) England   c) Turkey   d) United States

2. When should nettles be picked?   a) Never   b) May   c) December 25   d) In darkness

3. What are Smiling Murphies?   a) Pints of stout, brewed in Cork   b) Creamed potatoes   c) Pancakes   d) Potatoes that are floury when boiled

4. What is a true Dubliner's Saturday supper?   a) Lobster   b) Potatoes   c) Coddle   d) Fish and chips

5. How many men of Irish ancestry signed the Declaration of Independence?  a) None   b) Twelve  c) Nine  d) Two

6. What is a pooka?  a) A mischieveous, impish fairy who often takes the form of a horse   b) An Irish dance   c) A type of clothing   d) An Irish ballad

While you are pondering, enjoy some good Irish cooking.

The Best of Irish Breads and Baking by Georgina Campbell (641.59415 C1878)
The Irish Pub Cookbook by Margaret M. Johnson (641.59415 J681)
Irish Traditional Cooking by Darina Allen (641.59415 A425)
The New Irish Table by Margaret M. Johnson (641.59415 J681N)