"In 1817, soon after coming to Washington county, he [Robert McKean] married Mrs. Mary McClintock, formerly Mrs. McGowan, who had several children by her first husband, all now deceased. By her second marriage there were four children, viz.: Mary, who was a Presbyterian missionary to the Creek Indians at Tallahassee Indian Territory, and died there January 21, 1861; Thomas, our subject; Alexander, who died in Washington, Penn., March 27, 1890, and whose family are still living here; and Sarah, who died in infancy. The mother was called from earth March 17. 1867, at the advanced age of eighty-nine years, at the time living with her son Thomas."