Ulster Presbyterians and the 1798 Rebellion: https://www.puritanboard.com/threads/ulster-presbyterians-and-the-1798-rebellion.26955/
“1798 Presbyterians take an active role in the rebellion to free themselves from British control.” : https://www.familysearch.org/wiki/en/Ireland_Presbyterian_Church_Records
Talk:Irish Rebellion of 1798: https://en.wikipedia.org/wiki/Talk:Irish_Rebellion_of_1798#United_Irishmen,_Presbyterians,_Unionists
Several items of possible interest:
Ulster Presbyterians and the 1798 Rebellion: https://www.puritanboard.com/threads/ulster-presbyterians-and-the-1798-rebellion.26955/
“1798 Presbyterians take an active role in the rebellion to free themselves from British control.” : https://www.familysearch.org/wiki/en/Ireland_Presbyterian_Church_Records
Talk:Irish Rebellion of 1798: https://en.wikipedia.org/wiki/Talk:Irish_Rebellion_of_1798#United_Irishmen,_Presbyterians,_Unionists