You might want to check a song sheet at   Bodleian Library Broadside Ballads,  March's Royalty Songs: 109 (R. March & Co., 18, St. James' Walk, Clerkenwell, London. Firth b.28(9a/b)). There are 78 song texts and several images, so here is a link to the right page. See She stood behind the parlour door, bottom right-hand corner.

She stood behind the parlour door ("A certain girl once courted me, called Mary Ann Maloney ...")