Thanks Denise, I traced Amos Churchill back to 1870 and up to 1900. It turns out his surname is Churchville. His first wife was Harriet and his second was Susan in 1900. I could find no connection to Riley Coward. I know there must have been a reason he used the surnames Churchill and Coward. I have no clue why.

I think that you are right about Riley being raised by someone not his parents. Maybe Riley was an orphan. I am still trying to find Riley Blunt after 1900.

Thanks for the lead or any other lead , you may think of. I am at a standstill but still searching.
egt