Mary has been writing historical romance novels for several years. She sold her first book, a Harlequin Historical novel, A Bride for McCain in January, 1999, and saw it published the following year in March. Her second book, The Colorado Bride, was a June, 2001, Harlequin Historical novel.

Mary is also the author of The Insider's Guide to Direct Marketing (1995 by Zwieg White Associates), a marketing manual geared toward architectural/engineering firms. She has worked as a freelance writer and written (or ghostwritten) dozens of articles for publications including The RWR, Virginia Review, and Innsbrook Today.

A 1983 graduate of Hollins University, Mary was the marketing director for a 100-person civil engineering firm before deciding to write full time. She is based in Richmond, Virginia, where she lives with her husband and two children.