Owen Wilcox was born in Connecticut in 1809 and arrived in Texas in early 1836. Almost immediately, he enlisted in the Texian revolutionary army and was assigned to Captain William H. Patton's Company, with whom he he served during the Battle of San Jacinto on April 21, 1836. He was transferred to Captain Benjamin F. Reavill's Company on July 1, then transferred again on October 1 to Captain William D. Burnett's Company. He left the service on December 1, 1836 and resided in Travis County. Wilcox died in Austin on April 5, 1879 and was buried in Oakwood Cemetery.