On July 23, 1837, Mary Smith was married in Houston to Hugh McCrory, a soldier in the Army of the Republic of Texas. McCrory died suddenly seven weeks later. In Austin on May 17, 1840, Mary married Anson Jones, a prominent doctor and politician from Brazoria. Jones's political career eventually included a two-year term as senator from Brazoria, service as secretary of state under President Sam Houston, and election as president of the Republic of Texas in 1844. That year the Joneses built their plantation house at their estate, Barrington, four miles from Washington-on-the-Brazos. The estate was later sold at a loss, and after Jones's suicide in January 1858 Mary and the children were destitute. They moved to Galveston, where Ashbel Smith helped Mrs. Jones to buy his brother's 460-acre farm on Goose Creek, near the site of present Baytown. She moved to San Jacinto in 1871 and to Willis in 1874. In 1879 she returned to Houston, home of her son Cromwell, chief justice of Harris County. After his death, she lived with her daughter.
One of her driving ambitions in later years was to rectify what she considered gross misrepresentations of her husband's role during the annexation controversy. To that end she repeatedly contacted authors and publishers in an unsuccessful attempt to produce a favorable biography of Anson Jones and to publish his book, Republic of Texas. Her major means of support during these years was the sale of family land in Matagorda, Bastrop, Bexar, and Goliad counties. Mrs. Jones served, largely in a symbolic role, as the first president of the Daughters of the Republic of Texas from 1891 through 1907. She was a Democrat and Episcopalian and was influential in establishing a church in Washington and St. Paul's College in Anderson. The Joneses had four children. Mary Jones died on December 31, 1907, at the residence of her daughter in Houston. She was buried at Glenwood Cemetery, Houston.
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