Louisa Mercer Waller
b. 7 February 1826, d. 30 October 1856
- Father: Robert Page Waller b. circa 1792, d. 21 July 1872
- Mother: Julia Weeden Mercer b. circa 1803, d. 10 December 1883
- Louisa Mercer Waller was born on 7 February 1826 in Williamsburg, Virginia.
- She married Joseph Bartholomew Cosnahan, son of Bartholomew Cosnahan and Rebecca Crosland, on 8 May 1843 in Washington, District of Columbia.
- Joseph Bartholomew Cosnahan and Louisa Mercer Waller appeared in the US federal census of 1 June 1850 in Matagorda County, Texas, living in a hotel operated by Galen Hodges.. Other members of the household included Roberta Ould Cosnahan, Robert W. Cosnahan and Mary Mercer Cosnahan.
- Louisa Mercer Waller died on 30 October 1856 at age 30.
- Her husband Joseph Bartholomew Cosnahan became a widower at her death.
- She was interred at Waller family cemetery, Williamsburg, Virginia.
- Last Edited: 22 Nov 2014
Family: Joseph Bartholomew Cosnahan b. circa 1820, d. 1862
- Roberta Ould Cosnahan+ b. 29 April 1844
- Robert W. Cosnahan b. circa 1847
- Mary Mercer Cosnahan+ b. 5 October 1850, d. 29 April 1917
- Corbin Waller Cosnahan+ b. August 1852, d. July 1902
- Hugh Mercer Cosnahan+ b. April 1854