Try this, Cruiskeen Lawn d spann, and if you want to search for something here, you are better off starting a new thread than posting on the end of an old one.
Also, if you know any of the words, you can put a few in the search box up at the top. Granted it takes a lot of good luck to approximate a gaelic spelling.
And, uhm, this is a drinking song rather than a lullaby.
In some cases, interchangeable, those are.

Blessings,
Barbara