I believe that this is a combination of two different people. Freda "Fannie" Zirkin (Gurevitz) was the mother of the Zirkin children from Max Zirkin to Lillian Dworkin and all the rest in between. Research and evidence notes that Freda died in Russia and Israel Zirkin remarried Hinda. He then left Hinda in Springfield.
All of the death certificates of the Zirkin children note Freda Gurevitz as the mother.
The fact that so many Fannie's were named before Hinda died should be evidence that the grandchildren of Freda were named in her memory, as is Jewish tradition.
On the 1910 US Census she is shown living with Frank Manning Zirkin. She is listed as Cousin of Frank M, not mother.