NOTE: There is some confusing information about Mary's parents. The 1920 census record indicates that she was botn to Theodore Guenther and Elizabeth Lillian Janssen. The Ancestry record lists her parents as Henry Janssen and Mary Atkins. In the 1939 HHS Ho-Hi Life yearbook, she goes by her mother's maiden name Janssen, and the Family Search record indicates she went by both names. Perhaps Thedore Guenther and Lillian Janssen were Mary's birth parents, but then Hanry Janssen and Mary Atkins adopted Mary. We don't know.
OBITUARY INFORMATION FROM FIND-A-GRAVE WEBSITE:
Mary Katherine Guenther Brunner
BIRTH 18 Nov 1919, Gary, Lake County, Indiana, USA
DEATH Apr 2015 (aged 95), Illinois, USA
BURIAL All Saints Catholic Cemetery and Mausoleum, Des Plaines, Cook County, Illinois, USA
MEMORIAL ID 204854331
This information and the picture below were obtained from: https://www.findagrave.com/memorial/204854331/mary-katherine-brunner.
INFORMATION FROM FAMILY SEARCH WEBSITE:
Brief Life History of Mary Katherine Guenther
When Mary Katherine Guenther AKA Mary Katherine Janssen was born on 18 November 1919, in Gary, Lake, Indiana, United States, her father, Theodore Albert Guenther, was 28 and her mother, Elizabeth M. "Lillian" Janssen, was 26. She married John Andrew Brunner on 8 January 1955, in Denver, Colorado, United States. She lived in Mount Prospect, Cook, Illinois, United States in 1955. She registered for military service in 1939. Her occupation is listed as nurse, veterans administration hospital in Denver, Colorado, United States. She died on 2 April 2015, at the age of 95, and was buried in All Saints Catholic Cemetery and Mausoleum, Des Plaines, Cook, Illinois, United States.
This information was obtained from: https://www.familysearch.org/tree/person/about/G2SX-FX1.
INFORMATION FROM ANCESTRY.COM:
This census information was obtained from: https://www.ancestry.com/discoveryui-content/view/64760907:6061?tid=&pid=&queryId=96387833-cb35-4990-b70a-2b756aed8d44&_phsrc=uWA4664&_phstart=successSource.
This information was obtained from: https://www.ancestry.com/search/?name=mary_guenther&event=_hobart-lake-indiana-usa_40065&birth=1919&death=2015&count=50&defaultFacets=PRIMARY_YEAR.PRIMARY_NPLACE&father=theodore+albert_guenther&mother=lillian_janssen&name_x=_psx&searchType=recent_home&spouse=john_brunner&useImageFacets=1.