I obtained Polly's maiden name from Cyndee's family tree at Rootsweb's Worldconnect (needs more research to confirm.)
In the Federal Census of 1900, Polly Remington is a widow age 57 NY, living at Comstock, Douglas Co., OR. She is with married daughter Minnie Stewart and her family. Also in the household is Minnie's mother-in-law Eliza J. Stewart, and Polly's daughter Eva R. Remington 15 OR. They are listed next to Ira Remington and family.
In 1910 Polly Remington is living with married daughter Eva Cooley and family at Pass Creek, Douglas Co., OR.