So let's see if we're all we're craic'd up to be – if you'll forgive the pun – by solving the following Irish-themed conundrums.
All answers posted beneath the image
Rock Riddle
What Irish rock is as light as a feather?

Leprechaun Riddle
How many gold coins can a leprechaun fit in an empty pot?

St. Patrick Riddle
What would St. Patrick be called if he was born on December 25?

Arm Riddle
What has 2 arms, no hands and only appears once a year?

Answers below:
What Irish rock is as light as a feather? - A Shamrock
How many gold coins can a leprechaun fit in an empty pot? - None, because otherwise it's not empty anymore.
What would St. Patrick be called if he was born on December 25? - St O'Claus.
What has 2 arms, no hands and only appears once a year? - Christmas jumper (courtesy of mammy).