Also known as "Egan's Polka" or "Kerry Polka", it is an Irish polka played in either G or D. Peg Ryan is a musician from Murroe, east County Limerick. It may not be her composition since most Irish sessions call it "Egan's Polka".
I play this tune in a medley with:
    "John Ryan's Polka" in this section
I think I learned it from a recording of The Chieftans.