Marsh, Dellavan D. M.D.
The following data is extracted from Biographies of Croydon, Sullivan County, New Hampshire.
DELLAVAN D. MARSH, M.D., was born May 8, 1818. He graduated from the Medical Department of Dartmouth College in 1834. He was interested in agricultural pursuits; was treasurer of the County Agricultural Society in 1848; was often elected to town offices, and in 1839-40 was treasurer of Sullivan County. He died in 1866.
Source: Biographies of Croydon, Sullivan County, New Hampshire