Young Family of Belknap Cty NH and Lowell MA

Looking for more information on my family.

My GG Grandfather Samuel P. Young was born in Ctr. Barnsted,NH in
11-12-1814. Died 11-18-1873. Married Betsey A. Merrill 01-06-1839.

GG Grandmother Betsey A. (Merrill) Young born 1814 and died 1856.

My G Grandfather Charles M. Young was born in NH in 1852+/- and died
09-18- 1919
in Lowell, MA. Charles Married Minnie S. Flanders who was born in Pottsdam,NY. She died in Lowell, MA. 01-16-1912.