Yes it is generally known as Thank god, we are surrounded by water.

The Rakes of Kildare in my experience is a different jig that appears to be harmonised initially in a minor, however this is also an example of not bothering too much about names, but more importantly trying to just learn the tune by listening.
You do not know what i am on about? 2 THINGS people also on occasions misrember names and
Music changes often when it is learned by ear and some tunes are played differently,and somtimes they evolve from the original, A case in point is the composed tune The Moving Cloud.
Communication is not made easier when there are 2 pipes on the hob and 2 munster buttermilks
It's not all that hard to grasp, really.