Mary Patch (maiden name: Brown) was born on July 30, 1825, in Lexington, Massachusetts, to Leonard and Dorcas Brown. She married George Patch, and they had at least two children: George, born on December 8, 1844; and Adaline, born around 1861.
They lived in Littleton, and her husband worked as a railroad worker. By 1860, they owned $600 of real estate and $200 of personal property. A decade later, they owned $800 of real estate and $100 of personal property. She remained in Littleton for the rest of his life. Her husband died on March 20, 1904, and she passed away of chronic nephritis in Littleton on December 13, 1904.