| ACT 1 | Sung By |
| Downkilty Fair | Chorus |
| The Colors of the King | Nora (a village girl) and Chorus |
Maureen (music by Alicia Adelaide Needham; lyrics by Alicia Adelaide Needham) | Barry Trevor (a young English-Irishman traveling in Ireland) and Chorus |
Co-Boss (lyrics by Denis O'Sullivan) | Molly Cafferty (Moira's daughter) and Chorus |
| The Ould Plaid Shawl | Barry Trevor (a young English-Irishman traveling in Ireland) |
| The Idle Colleen | The Lady Margaret O'Donnell ((Peggy)) |
| Peggy Machree | The Lady Margaret O'Donnell ((Peggy)) and Barry Trevor (a young English-Irishman traveling in Ireland) |
| Believe Me (If All Those Endearing Young Charms) | Barry Trevor (a young English-Irishman traveling in Ireland) |
| ACT 2 | Sung By |
| Follow the Plow | Chorus |
| The Exile's Return | Barry Trevor (a young English-Irishman traveling in Ireland) |
| The Birds Fly South | Barry Trevor (a young English-Irishman traveling in Ireland) |
| (O) Lovely Roses | The Lady Margaret O'Donnell ((Peggy)) |
| Family Pride | The Lady Margaret O'Donnell ((Peggy)) and Sir Lawrence Borthwick (Trevor's friend) |
| ACT 3 | Sung By |
| Ladies, We Love You | Bampton (sergeant in the English Army) and Chorus |
| Thea Wearin' of the Green | Barry Trevor (a young English-Irishman traveling in Ireland) |
| Scotland Ye Ken (Bonny Scotland) | Alexander McDougal (major-domo at Castle O'Driscoll) and Maids |
| O, Never Trust to Strangers | The Lady Margaret O'Donnell ((Peggy)) |
| Hail to the Deer | Chorus |
| Peggy Machree (Reprise) | |