Martin McVay was born in 1806 in Morris Twp., Greene Co., PA. He lived for a short time in Ohio, where he married Lucy Sumner, before moving to Quincy Twp., Branch Co., MI, where he worked as a farmer. He died there in 1889.
Lucy Sumner was born in 1814 in Westport, Essex Co., NY, the daughter of Harvey Sumner and Sarah Sherwin. Her parents lived in Vermont before moving to NY.