See also this earlier discussion, 10,000 miles song from Fly Away Home, which contains some useful references and material, and a text of the burlesque song Mary Ann. Sheet music of 1856 can be seen at The Lester Levy Sheet Music Collection:

My Mary Ann. The Yankee Girls Song; "Words by Barney Williams, music by M. Tyse". Based on earlier material, of course, which turns up not just in in Nova Scotia but in other parts of Canada, the USA, Britain and Ireland.