The 1900 census suggests he was born in Jan 1880, but the 1880 census states he was born in Nov of 1879
Father:Michael M. PLUM (b. APR 1856, Antrim Twp., Franklin Co., PA - d. 27 FEB 1943, Antrim, Franklin Co., PA) Mother:Sarah Regina WEISNER (b. 29 JUL 1857, Franklin Co., PA - d. 18 SEP 1927, Montgomery twp., Franklin Co., PA)