Emma Helgeson

I'm looking for any information on Emma J. Helgeson. I've been looking at ancestry.com and have not been able to find any inforamtion on her. I tried other names like emily etc. but no luck. She was born on Sept 30 1857 and died on April 2, 1942. She married Peder I Peterson (roe) on May 16, 1880. They lived in new hope, Portage County, Wisconsin.