Class of 1822

Isaac Ridgeway Trimble: Born May 15, 1802, Culpeper, VA.

Military History. — Cadet at the Military Academy, Nov. 23, 1818, to July 1, 1822, when he was graduated and promoted in the Army to

Bvt. Second Lieut., 3d Artillery, July 1, 1822.

Second Lieut., 1st Artillery, July 1, 1822.

Served: on Ordnance duty, Aug. 21, 1822, to Aug. 1, 1823; in garrison at Ft. Lafayette, N. Y., 1823‑24; on Topographical duty, June 4, 1824, to June 14, 1830; and in garrison at Ft. Monroe, Va. (Artillery School for Practice), 1830‑31.

Resigned, May 31, 1832.

Civil History. — Principal Asst. Engineer, Boston, Mas., and Providence, R. I., Railroad, 1832‑35. Chief Engineer, Baltimore and Susquehanna Railroad, 1835‑38, — of York and Wrightsville Railroad, Pa., 1836‑38, — of Philadelphia, Wilmington, and Baltimore Railroad, and General Superintendent, 1842‑53, — of the Philadelphia and Baltimore p286Central Railroad, 1854‑59, — and of Baltimore and Potomac Railroad, 1859‑61.

Joined in the Rebellion of 1861-66 against the United States.a

Civil History. — Consulting Engineer of several Railroads, Waterworks, etc., 1866‑88.

Died, Jan. 2, 1888, at Baltimore, Md.: Aged 85.

Buried, Green Mount Cemetery, Baltimore, MD.