1) You will never play professional basketball.
2) You swear very well.
3) At least one of your cousins is a fireman, cop, bar owner, funeral home owner or holds political office.
4) You think you sing very well.
5) You have no idea how to make a long story short!
7) Much of your childhood meals were boiled. 
8) You spent a good portion of your childhood kneeling in prayer (you know you were thinking about being bad whether you did it or not).
9) You're strangely poetic after a few beers.
10) You are, therefore, poetic a lot.
11) You will be punched for no good reason...a lot.
12) Some punches directed at you are from legacies of past generations.
13) Many of your sisters and/or cousins are named Mary, Catherine or Eileen... and there is at least one member of your family with the full name of Mary Catherine Eileen.
14) Someone in your family is incredibly cheap. It is more than likely you.
15) You may not know the words, but that doesn't stop you from singing.
16) You can't wait for the other guy to stop talking before you start talking.
17) You're not nearly as funny as you think you are .....but what you lack in talent, you make up for in
frequency.
18) There wasn't a huge difference between your last wake and your last party.
19) You are, or know someone, named Murph.
20) If you don't know Murph then you know Mac. If you don't know Murph or Mac, then you know Sully. Then you probably know Sully McMurphy.
21) You are genetically incapable of keeping a secret.
22) You have Irish Alzheimer's... your forget everything but the grudges!
23) "Irish Stew" is a euphemism for "boiled leftovers."
24) All of your losses are alcohol related (loss of drivers license, loss of money,
loss of job, loss of significant other, loss of teeth from punch...) but it never stops you from drinking.