has a Milton Robert McKee b. 20 Oct 1830, married to Catherine Hawkins and Elizabeth Black. He looks like yours. The one born in 1821/1822 who married Scytha/Cytha/Cynthia is there too, but not on her data base. Yours served in the Civil War and died in 1899, according to her data, which looks to be well-researched.
You would do McKee researchers a favor if you'd transcribe the genealogy data in the Bible (if there is any) and post it here for them all to read. You might meet some new cousins, too. Don't post dates for living people, though.