In the third photo attached, my grandmother appears to be much younger than the first two - perhaps 1905 (ish?). The back has two columns listed:
First column: Ledwin, Jesse, Chester, George, John, Walter, Ethel Jessie S, Kate W, Rosata, Julie, Ona (Ina?) Lena
Second column:Hazel, Pearl, Everett, Mark, Will, Harold, Merritt, Granville, Lester, Frank*** (illegible), Watson, Kate
The columns seem to be out of order as my grandmother (Kate) is in the second row (all girls) and is the second from the right in that row.
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Fourth, I've attached a photo with no explanation, names or dates. The back simply states: Kate Snowdon, Allentown N.Y.
Above to be an Allentown Photo. The Gas Lamp just over the head of the man standing on ground behind horse is the same as the Allentown School photos of the same time period.