Hammock, James M. – Obituary Leave a Comment / Oregon / December 4, 2011 Last Updated on December 4, 2011 by At the residence of his daughter, Mrs. John Prow, near La Grande, April 22, 1890, James M. Hammock, aged 75 years.Eastern Oregon Republican, Thursday May 1, 1890 Surnames:Hammack, Topics:Obituary, Locations:La Grande Oregon, Union County OR,Collection:White, Judy Wallis. Union County, Oregon Obituaries. Published by AccessGenealogy.com. Copyright 1999-2013, all rights reserved.