Born March 9, 1930 in Summit Township, Butler, she was the daughter of the late William Albert Yost and Margaret Louise Roshiesen Yost.

Mrs. Hattz was a lineworker at Penn Champ in East Butler, retiring in 1993. She was also a "domestic diva" who loved housecleaning. She was a presser for several Butler dry cleaners -- Fisher's, Hutchinson's and Frank Cicco Cleaners. Mrs. Hattz was a member of St. Mark's Evangelical Lutheran Church where she was active with Katie's Kitchen and Meals on Wheels. She was an avid bowler; she loved playing cards; she was a former scout leader; and she was a member of the local Moose club. Her particular interests were caring for her five beautiful daughters, cooking and canning, gardening, and bowling. Gertrude was a patron of the arts and a country western music fan.

Mrs. Hattz is survived by her daughters, Margaret Ann and her husband, Gil Steighner of Rimersburg, Pennsylvania; Kathleen Marie Carothers; Eileen Michele and her husband, Michael Collins; Lenore Elaine and her husband, Tim Reges; and Beverly Diane and her husband, Dale Hobaugh all of Butler, Pennsylvania; twelve grandchildren, Michele Mascetta, Gilbert Steighner, Melissa Savannah, Maria Fisher, Megan Davis, Tiffani McGann, Curtis Carothers, Nicole Zirnsak, Timothy and Travis Reges, Amber and Aaron Hobaugh; eight great-grandchildren, Ian Steighner; Mariah and R. J. Mascetta, Liam and Tighe Fisher, and Everett Reges and Jackson Zirnsak and Layla McGann; one brother, William Albert Yost; one sister, Betty Catherine Swidzinski; and by many nieces and nephews.

Mrs. Hattz was preceded in death by her husband, Michael Hattz, who she married on June 3, 1950; he passed away on September 16, 1985,and also by one sister, Hilda Ida Hydak.

Friends will be received at the Thompson-Miller Funeral Home, Inc., 124 East North Street, Butler, Pennsylvania on Saturday, January 2, 2010 from 2 to 4 and 7 to 9 p.m.

Services will be held on Sunday, January 3, 2010 at 2:00 p.m. at St. Mark's Evangelical Lutheran Church 201 West Jefferson Street, Butler, Pennsylvania 16001. Rev. Dr. Alden Towberman of St. Mark's Evangelical Lutheran Church and Rev. Richard Leseganich of Hope Evangelical Lutheran Church in Cranberry Township will officiate. Interment will follow in Gruenwald Cemetery.