I found the a headstone for a Mary Sherwood in the Springville, Iowa cemetery. Mary died on Dec. 15, 1890. Age, 31 years, 9 months, 5 days. Also in the cemetery are Sarah Sherwood who married Enoch Sherwood and William Sherwood (Enoch's brother) Trying to find out if Mary Sherwood was married to William Sherwood, or was she a Sherwood relative. Thanks