Dwight, All I have on Mary Elizabeth Allen is the following (I know-it's not much) She was b. 24 Dec 1851 in Logansport, LA.Mary was married to James Robert Dickson, b. Their son, Robert Dickson, b.in Mart, McLennan County, TX
The rest of what I have I am not sure of.It was sent to me and I have not been able to confirm any of it, but it might be a good place for you to start.
Mary Elizabeth Allen m. James Robert Dickson 20 Jul 1870 in Lexington, Lee County, TX.They had eight children.
Mary Elizabeth Allen was the daughter of William Shackelford Allen and Sarah Elizabeth Norris.Mar died in Hico, Hamilton County, Texas 19 Sep 1938.
If you have a connection, please let me know.I have had a hard time with this part of the line.Hope we have a match, Shana