The Arnold I had in MS was earlier from yours, so it will take some work to figure out a connection..It was my 5th g-grandfather, Daniel Arnold, and he was married to Martha Ann Holly..Their kids were
Benjamin Franklin Arnold
Holly Arnold (male)
Benjamin Franklin Arnold was my 4th g-grandfather, and he married Matilda Fulton..Their kids were
Elizabeth Arnold (my 3rd g-grandmother)
There might have been more but I don't know yet on that line..
If any of these names look familiar, tell me and I will give you their kids and grandkids names...I don't see a Gilbert in my info, but my info is not complete...