Officers of Fort Davis O

O’CONNOR, CHARLES MALLON: Born in Iowa, he graduated from the U.S. Military Academy in 1873. He was commissioned a second lieutenant and assigned to the 8^th Cavalry. He was promoted to first lieutenant in 1881 and served at Fort Davis as the regimental adjutant of the 8^th Cavalry and as the post adjutant from October 1887 to May 1888. He was promoted to captain in 1891 and to major with the 14^th Cavalry in 1901.

O’CONNOR, STEPHEN: Born in New York in 1837, he enlisted as a private in the 8^th Infantry in June 1860. He was discharged in March 1867 to accept an appointment (effective December 1866) as a second lieutenant in the 8^th Infantry. He was assigned to the 23^rd Infantry in 1870. He was promoted to first lieutenant in 1886, and served at Fort Davis from August 1890 to May 1891 with Company G, 23^rd Infantry. He was promoted to captain in 1897 and retired in April 1900. He died in November 1914 at Little Moore Sanitarium in California.

ORD, JAMES CRESAP: Born in Michigan, he was appointed a second lieutenant in the 25^th Infantry in October 1873. He served at Fort Davis from March 1875 to August 1877 with Company K, 25^th Infantry. He was promoted to first lieutenant in March 1879 and to captain in 1890. He retired in June 1899 with the rank of major.

OTIS, ELMER: Born in Massachusetts, he graduated from the U.S. Military Academy in 1853 and was commissioned a brevet second lieutenant in the 1^st Infantry. He was promoted to second lieutenant, transferring to the 4^th Infantry, and then to the 1^st Cavalry in 1855. He was promoted to first lieutenant in 1856 and to captain in May 1861. He transferred to the 4^th Cavalry in August 1861 and was appointed a major in the 1^st Cavalry in 1864. He was promoted to lieutenant colonel of the 7^th Cavalry in 1876. He became colonel of the 8^th Cavalry in 1883 and served at Fort Davis as post commander from October 1887 to May 1888. He retired in February 1891 and died in August 1897.

OVENSHINE, SAMUEL: Born in Pennsylvania, he was appointed a second lieutenant and then a first lieutenant in the 5^th Infantry in August 1861. He was promoted to captain in 1864 and to major, assigned to the 23^rd Infantry, in July 1885. He served at Fort Davis with the 23^rd Infantry from May 1890 to March 1891. He retired in October 1899 as a brigadier general.