This building was constructed in 1964, after there was a fire in the building in 1962, then this building was merged together with the 113 N Main J.C. Penney Co. location.
115 N Main Fire - 1962
Smilely & Paul's Barber Shop
We see that the "Oyster Bay" restaurant is at this location, in this first 1881 photo, and then is labeled as "European Restaurant" in the second photo, just behind the "Gunnison House".