| | | | Part 1 |
| 1 | Lucie Mary | Nevin-Franz | Protagonist. |
| | Shepherd Ivory | Franz | Lucie's husband. A doctor. |
| | Frances Anne | Miriam-Young | Lucie's aunt. |
| | Thomas | Young | Lucie's grandfather. A painter. |
| | Elfie | | Lucie's aunt. A headmistress. AKA: Alfreda Sophia Young. |
| 2 | Norah | | Lucie's old friend. Biddy's daughter. |
| | Lily | Young | Lucie's mother. |
| | Maggie | Barrett | Lucie's old friend. Biddy's daughter. |
| | Seamus | | Norah's husband. |
| | | | Part 2 |
| 3 | Sarah | Young | Thomas's wife. Lucie's grandmother. |
| 4 | Madame | Violette | A seamstress. |
| | James | Nevin | Lily's husband. Lucie's father. |
| | Biddy | | The Young's kitchen helper. |
| | Mary | | Biddy's cousin. Young's kitchen helper. |
| | Charles Stewart | Parnell | Anna's financial executor. Champion of Irish Nationalism. |
| | Anna | Monteforte | One of the students. |
| | Peggie | | The laundry girl. |
| 6 | George | Fenn | Elizabeth's father. |
| | Elizabeth | Fenn | George's daughter. A student in Misses Young's school. |
| | Niall | | George's colleagues. |
| | Aeden | | George's colleagues. |
| | Bessie | Fenn | George's wife. |
| 7 | Deirdre | | Biddy's aunt. |
| | Conor | Gossett | Biddy's husband. |
| | Patrick | Gossett | Biddy and Conor's son. |
| | Willy | Kelly | The boy who likes Norah. |
| 8 | Violet | | Elizabeth's dorm mate. |
| | Philip | Fenn | Elizabeth's brother. |
| 10 | Jim | | Lily's groom and handyman. |
| | Eliza | Nevin | James's mother. |
| | Count | | James's horse. |
| 12 | Geoffrey | Touth | Frances's cousin. |
| | Alexis | Touth | Geoffrey's wife. |
| | Mrs. | Winfield | Thomas's long-time friend. |
| | Tessa | Dunne | One of Thomas's friends. |
| | Thomas | Yeats | One of Thomas's friends. |
| | Reverend | Dunne | One of Thomas's friends. |
| 13 | Patricia | Farwell | One of Young's students. |
| | Susan | Yeats | Thomas's wife. Lucie's grandmother. |
| | Margaret | Winff | The Winfield's daughter. |
| 17 | Fiona | | Nevin's long-time servant. |
| | Dr. | Simpson | Nevin's doctor. |
| 18 | James | Butler | The Duke of Ormonde. |
| | Olivia | Whelan | One of the students. |
| 20 | Maria | Nevin | Lucie's sister. |
| | Hugh | Nevin | Lucie's brother. |
| | Logan | | Marian's husband. |
| | Susanna | Harwood | Lily's neighbor. |
| 21 | Sean | McBride | James's driver. |
| | Mr. | Dougal | The Farrier. |
| | Ena | | Dougal's wife. |
| 23 | Emma | Manson | Lily's new friend. |
| | Ava | Andrews | Lily's new friend. |
| | Dr. | Cattermole | James's companion. |
| | Eloise | Chapin | One of Susanna's colleagues. |
| | Lila | Harrington | One of Susanna's colleagues. |
| | Aileen | | Marian's daughter. |
| | Raymond | Harwood | Susanna's husband. |
| 27 | Gavin | | Norah's friend. |
| | Aine | | Norah's grandmother. |
| | Finn | | Norah's grandfather. |
| 28 | William | | James's partner. |
| | Molly | | William's wife. |
| | Knox | Nevin | Lucie's brother. |
| 29 | Philip | Fenn | Elizabeth's brother. |
| | Charles | | Philip's cousin. |
| 30 | Mrs. | Finney | Norah's neighbor. |
| 31 | Olive | | Frances's childhood school-friend. |
| | Louise | Davies | Frances's childhood school-friend. |
| | Giles | Morgan | A widower. A lecturer. |
| 33 | Mr. | Ullman | A printer company owner. |
| 34 | Mrs. | Ullman | James's patient. |
| 35 | Zadie | | Frances's aunt. |
| 36 | Kind | | A reverend. |
| 38 | Oliver | Monroe | A student ambassador. |
| | Clara | Monroe | James's new girlfriend. |
| 39 | Miss | Levering | The children's teacher. |
| | | | Part 3 |
| 43 | Maggie | | One of Youngs's students. |
| 44 | Halloran | | Patrick's friend. |
| | Flaherty | | A bar regular. |
| | Dan | | The bartender. |
| | Seamus | | A bartender. Patrick's friend. |
| 46 | Victoria | | One of Thomas's students. |
| | Annabelle | | One of Thomas's students. |
| 47 | Daniel | O'Connell | The liberator. |
| | Bridget | | One of Young's' workers. |
| 50 | Bea | | Lucie's friend. |
| | Sophia | | Lucie's friend. |
| | Mrs. | Pomeroy | A dance teacher. |
| 51 | Richard | | Eliza's grandfather. |
| | | | Part 4 |
| | Barnes | | The fourth vicar at Holy Trinity Church. |
| | Ernest | | Frances's friend. |
| | Jonathan | | Elizabeth's husband. |
