Rosalie Waterhouse (maiden name: Wallace) was born around 1840 in Virginia. She married Richard E. Waterhouse on December 30, 1858, and they had at least one child. They lived in Jefferson, Texas, and her husband worked as a merchant. By 1860, they owned $13,000 of real estate and $5,000 of personal property, including at least 5 enslaved laborers. She died sometime after 1863.