The following data is extracted from Biographies of Croydon, Sullivan County, New Hampshire.
MARSHALL PERKINS, son of James Perkins-who came to Croydon from Leominster, Mass., in 1815, and built the grist-mill, saw-mill and carding-machine at the Flat, and who was for many years a successful business man-was born May 13, 1823. He studied medicine and graduated at Cambridge Medical College, in 1850, at the head of his class. He soon after settled at Marlow, N. H., where he now resides, and is doing a successful business. He married a daughter of Amos Fisk, Esq., the leading merchant of Marlow. He was for three years during the war Assistant Surgeon in the 14th Regt. N. H. Vols.
Source: Biographies of Croydon, Sullivan County, New Hampshire