He married Catherine Duggan in 1837 while stationed in Victoria and they had two children, Jeremiah and Robert. After he left the service, they moved to Refugio where he established a tavern and began raising cattle. O'Driscoll served as justice of Refugio County from 1846 until July 3, 1849, when he was killed in a horse carriage accident. His granddaughter Clara would do her part for Texas as well, as the "Savior of the Alamo".
28° 18.112, -097° 16.968
Mount Calvary Cemetery