Vincent-Freed-McBride-Wallace-Lawson-Grinstead-Cunningham families

I am searching for death dates of the family of Uriah B.Vincent in Mason County,WVA.Uriah B. married Mariah Heiskell. He died bet 1870-1880 in Mason Cty.WVA His wife Mariah was living with her daughter Abigal Miranda Grinstead(James M.) on the 1880 census.Lewis Frank Vincent born 1838 and married 1859 in Meigs Cty. Ohio married Amanda Wallace and he died 1917 in Mason,WVa buried supposedly in Platt Cemetery.Sarah E married James Cunningham;Bushrod J. disappeared after the war. Can not locate on any census.Not sure if John was mine or not. b.1853 in Mason? I need death certificates but I can't locate their death dates.I feel confident that they died in Mason Cty. WVA .They were my GG-grandparents. Their son, my great grandfather, William died in the civil war at Cloyds Mt. Dublin, WVA. Lewis, Bushrod and Henry also served in the civil war.I would appreciate hearing from anyone who has information as to the dates of death, especially Uriah & Mariah. Emily Vincent married Wm. Henry Lawson in Mason on 9-26-1869. He was the son of James M & Mary Newland.Thank you very much.Please e-mail me at Mariahmcky@hotmail.com.Ann