According to the notes on the Tobar an Dualchais website: "Ethel Findlater learned the words from a [manuscript] book given to her by Violet Harvey, but learned the tune from her mother-in-law; some extra lines were learned from a Mrs Mongano, now in Australia." See: http://tobarandualchais.co.uk/en/fullrecord/63592/2 (She lived 1899-1973.)