From Shtetl Finder Gazetteer by Chester G. Cohen:
1852 - Advance subscribers for the book Pirki Rebi
Eliezer were, beside the rabbi: Abraham Yuudel Ratner, Arich Leib Berlin, Baruch
Narkin, Baruch Vileinski,, Getzil Fried, Volf bar Yechiel Katz, Rabbi Zalman
Margolin of Paris, Yitzhak Rabinovitz, Yeshiah David Dobkin, Yechiel Michal
Fridliandski, Yitzhak Grayevski, Yitzhak Veinsheinker, Israel Shub, Meir
Epshtein and his son Yudel, Michal Margolin, Mordecai Shapiro, Nachum Vileinski,
Rafal Kasir, Shmuel Lazinski.
1894- Yitzhak Izik Ostrin was local deputy for the Eretz Israel
farmers and workers support association. In the book Amol iz Geven, 1926, Israel
Kopeloff recalls Bobroisk in the 1870's, including a ride to the village
Ponkratevitch and a period spent in the village Tozilevitch where Jews lived.