This website has Clinton County Genealogy Obituary Records
http://www.deathindexes.com/indiana/The Frankfort Public Library has newspaper obits that will look up and send a copy for a fee.
There is an obit that appeared Oct 1, 1942 for a Bessie Pearl Smith in the Frankfort Times, page 1. It is in the "Shof-Smith, E" surname index.
The 1900 census for Roy and Bessie Newbold have her listed as "Bessie P."
1930 IN Clinton County, Frankfort Twsp has a household of Edward W Smith, wife Bessie P. and step-son Chester R. Newbold.
Clinton County should have the death certificate for you to order.
Bessie Henry Smith died Wednesday Sept 30, 7:30 p.m. at home after 2 years of illness. She was buried in the Odd Fellows Cemetery. Her parents were Mr & Mrs George A Henry. She was born in Frankfort Dec 10, 1878. She married Roy Newbold July 24, 1894 and he died in 1923. She married Edward Smith March 28, 1926. This obit has survivors listed but if you want them send me a message thru Ancestry. I found this obit in the October 1, 1942 Kokomo Tribune, Kokoomo Indiana edition at Newspapers.com