| 2026 | Winner | Baldwin: A Love Story | Nicholas Boggs | Farrar, Straus and Giroux |
| 2024 | Winner | The Marriage Question: George Eliot's Double Life | Clare Carlisle | Farrar, Straus and Giroux |
| 2020 | Winner | Sisters and Rebels: A Struggle for the Soul of America | Jacquelyn Dowd Hall | W. W. Norton |
| 2017 | Winner | Black Elk: The Life of an American Visionary | Joe Jackson | Farrar, Straus and Giroux |
| 2016 | Winner | Agnes Martin: Her Life and Art | Nancy Princenthal | Thames & Hudson |
| 2015 | Winner | The Queen's Bed: An Intimate History of Elizabeth's Court | Anna Whitelock | Farrar, Straus and Giroux |
| 2014 | Winner | Holding On Upside Down: The Life and Work of Marianne Moore | Linda Leavell | Farrar, Straus and Giroux |
| 2013 | Finalist | James Joyce: A New Biography | Gordon Bowker | Orion |
| 2012 | Winner | Catherine the Great: Portrait of a Woman | Robert K. Massie | Random House |
| 2012 | Finalist | A Singular Woman: The Untold Story of Barack Obama's Mother | Janny Scott | Riverhead Books |
| 2009 | Finalist | Posthumous Keats: A Personal Biography | Stanley Plumly | W. W. Norton |
| 2009 | Finalist | Samuel Johnson: The Struggle | Jeffrey Meyers | Basic Books |
| 2008 | Winner | Two Lives: Gertrude and Alice | Janet Malcolm | Yale University Press |