I don't think it is the Peeking Pup waltz, but I do think it's off of the same Sharon Shannon CD (her first self-titled one with the green cover) as the Peeking Pup.

A quick Goggle on the Peeking Pup Waltz finds abc on TheSession.org and a rendition on YouTube here, neither of which are your tune. If I get the chance this evening I shall skip through the oeuvre of the divine Ms Shannon and report back ...