| Carrie Adell Green Strahorn | writer, wife of Robert |
| Robert E. Strahorn | writer, railroad investor, husband of Carrie |
| Mary Green Waters | Carrie’s older sister and journalist |
| Christina Waters | Carrie’s niece, daughter of Mary |
| Hattie Green Lacy | Carrie’s younger sister, physician |
| Jay Gould | Union Pacific Railroad president |
| H.R. Harriman | Union Pacific Railroad president |
| James J. Hill | Great Northern Railroad president/owner |
| Pace Caldwell | friend of Carrie; wife of Senator Caldwell, business partner with Robert |
| William Judson Boone | first pastor of Caldwell Presbyterian; president of the College of Idaho in Caldwell |
Presbyterian women of Caldwell and Carrie’s friends
| Elizabeth Meacham | widow, treasurer of the Presbyterian Society |
| Delia Gwinn | croissant maker |
| Marvel Gibson | widow, secretary of the Presbyterian Society |
| *Hester Adeline Brown | member of the Presbyterian Society |
| Carrie Gwinn Blatchley | treasurer of the Presbyterian Society |
| Annie Bloom | wife of pastor William Judson Boone |
| Beatrice Little | member of the Presbyterian Society |
| *Kate & Kambree Bunting | twins |
| Elizabeth Larrabee | Fairhaven friend, wife of founder |
*fully imagined character