I'm pretty sure that I've seen "Siloam" in my collection of Hymns and such going back to 1800.

See:   UJ Online Images - Misc.

for a few representative scannings.

The score to "Belmont" I'm quite sure to have in at least a couple of them.

There is some beautiful poetry in these old end-binders by BEECHER, WATTS, and other Patriarchs of the art during that period.

I wish I could sight-read music better than I do to get an idea of what many of these archaic tunes sounded like.

A few that I have worked out such as "Disciple" (which I think is scanned to that page I just linked to), "Zion", "Death Song of the Martyr" (That's different!), "Homeward Bound" (from an 1864 Seaman's Bethel Hymnal, although I think it predates that by several years) have lovely airs to them - sometimes a lot peppier than we might expect them to be from this time period.

One of my favorite albums for old Hymns is the Boston Camerata, Joel COHEN Dir., "Trav'ling Home". If you like really old American Hymns, you will love this CD - as I do.