Always on the case with calendrical rituals (and as a change from Myles), I now offer a couple of apposite Irish jokes to celebrate St Patrick’s Day—one about animal husbandry, the other on religion:

Two farmers chatting:
“My cow fell down a hole and I had to shoot it.”
“Did you shoot it in the hole?”
“No, in the head.”

This seems to be related to the séance joke.

And now for religion:

O’Malley is leaving his favourite bar when he gets run over by a bus. He gets to the gates of heaven and St. Peter tells him he can’t enter unless he passes a test. But he decides to go easy on him.
“What’s got five fingers and is made of black leather?” he asks.
O’Malley scratches his head, thinks hard and finally gives up.
“It’s a glove,” says St. Peter. “Let’s try again—What’s got ten fingers and is made of black leather?”
O’Malley is stumped again. After pacing round in a circle and scratching his head, he gives up.
“Why it’s two gloves.” says St. Peter, amazed. “Don’t you see—ten fingers, black leather…”
But being in a generous mood, he decides to give O’Malley one more chance, so he lobs him an easier one.
“Who is the patron saint of Ireland?’ he asks.
“Now let me see now,” says O’Malley. “Would that be three gloves?”