You're very welcome. I've done some more sleuthing, and on the chance Sarah LOOP of 1860 Warren Co is the m/o James, I've found more info. James possibly the last of her 8 ch
Montgomery/Warren/Clermont Cos abut each other.
12-8-1825 John LOOP m. Sally Nichols ABBOTT, Clermont Co OH
OH DEATHS...familysearch.org Ardelia RUSSELL, widow, nurse/retired b. 7-18-1848 ALEXANDERSVILLE, OH d. 8-22-1922 Dayton, Montgomery OH; bur Franklin OH Parents: John LOOP b Ire; Sarah ABBOTT b OH [birthplaces of both differ from census]
1850 Miami, Montgomery Co OH LOOP John 50 NY; laborer Sarah 42 NY John 15 Francis 13 Amelia 11 Ardelia 7 Eliza 7 Margaret 10/12 ABBOTT, Sarah 74 MD
I don't know what relationship, if any, Sarah is to the GREGGs. 12-22-1822 Warren Co OH; William GREGG m Susanna MILLERD