So write his descendants in dedications on various books they published, but in Di Geshikhte, p. 93, it writes that he passed away on 20 Shevat 5687, and in a dedication to his memory in the book Even Yisrael, edition of 5714, it is written he passed away in 5689.
In Di Geshikhte, p. 93, it writes that he was a candidate for this rabbinate but did not receive the appointment for various reasons. But in several sources it is written that he filled the place of his wife's grandfather R. Shneur Zalman Hirshowitz in the rabbinate. Introduction of the publisher to the book Otzar HaPeirushim al Masekhet Horayot. Zekher Mordechai (memorial book for R. Mordechai Nurok), p. 212. Yahadut Latviya, p. 15. And more.