Clearly different women.
Available records give John’s birth year 1853-1855, so 25-27 at his first marriage to Susan Amelia Scammons (who would have been just 17), and 43-45 at his second marriage to Inez Fay who would have been about 43.
I think this supports Gadget’s dating, i.e., it’s Inez with John in the first picture.
Peter