This appears in the DT under the title 'As I Roved Out' where it is identified as an Irish variant of 'The Trooper and the Maid'. In their 'The Scottish Folksinger', Buchan and Hall give a Scots dialect version of 'Trooper' that is similar to the Redpath/Bikel version given in the DT. Child has 3 texts at #299.--Stewie.