Sue, I don't know if you have used HALS in the past, but they have the marriage in their "Hertfordshire Names on Line" facility:
https://www.hertsdirect.org/ufs/ufsm...4D6986F1E67B_1
You can order a copy of the entry directly from them.
By the way, if you would like me to try to find the baptism of James Logsdon the next time I go there, I'll see what I can do. I was going to go soon but with the weather the way it is there might be a delay.