A family photo suggest so. After many weeks searching I've come up with something... The immigrant family may have been of West Nantmeal and Popsecon:
Here's an extraordinary path that starts me down this avenue of study: https://www.geni.com/path/Robert-Watters+is+related+to+Nathan-Walte...
I just added the Robert Watters/Walters branch to the GENi tree: Robert L. Watters
Census data allows Robert a brother and sister who could match Nathan and his sister Sarah Ann Lewis (Walters)