PADDY, NOW WON'T YOU BE EASY? (A Paidin nac fanfad tu suaimnac). Irish, Slip Jig (9/8 time). D Major. Standard tuning (fiddle). AABBCC. Similarly-titled, although musically unrelated, tunes are the jig "Paddy "Go Easy"," and "Paddy be Aisy." The title is probably related to the song "Arra Kitty Be Easy." The earliest appearance of the tune is in James Manson's Hamilton's Universal Tune Book, vol. 2 (Glasgow, 1846), where it gives the provenance as 'Irish'. An identical version was entered into Book 3 (p. 225) of the mid-19th century music manuscript collection of County Cork cleric and uilleann piper Canon wikipedia:James_ Goodman_(musicologist).
Additional notes
Printed sources : - Cole (1000 Fiddle Tunes), 1940; p. 67. Kennedy (Fiddler’s Tune-Book: Slip Jigs and Waltzes), 1999; No. 57, p. 13. Manson (Hamilton's Universal Tune Book, vol. 2), 1846; p. 39. O'Neill (Krassen), 1976; p. 82. O'Neill (Music of Ireland: 1850 Melodies), 1903; No. 1143, p. 216. Ryan’s Mammoth Collection, 1883; p. 99.