Thanks for that. At some point, I probably will need that.
I will be amending the above, as when I was re-reading some of what I had cited, it turns out to be Thomas Moore the poet, not the Saint, who was being described as kin. (I thought all poets were saints, though? Ha!)
At the moment, I am winding down. I have the main build-out down, and if any descendants are ISO an ancestor, they likely can find where to key into this branch.
In a related matter: I am betting that Col Bernard Moore Esq of Chelsea Plantation in King William Co, Virginia Colony (1716-1776) and his father Col Augustine Old Grubb Moore (1679-1743) - the most likely immigrant - are in this O'More line, but my only connection to them is through Elizabeth Todd (b. 1688), daughter of Thomas of Toddsbury in Gloucester Co (presumably VA) (1660-1722) who married my 11th great aunt, Elizabeth Bernard (b. 1653).
As usual, I have just constructed a new line of inquiry for myself. When I find in my Ancestry repository these tidbits, I always get drawn into the process of confirming sources and relationships, especially when a close descendant already appears in the mix.
Thanks again for the resource. I might find out that I have more Irish than I knew.