This might be your Malinda A. Kelley.
Joseiah C. Smith
Married: 25 June 1868, Putnam Co. IN by Cary A. Myers, J. P.
Malinda A. Kelley
Source: IN Marriages 1811-2007
I didn't find anything for Minnie.
You should post her query in Michigan, Van Buren County so a local person can either look it up or tell you which organization to contact. Successful Searching!