Opal Z. Duffy, 95, of Houston, Texas passed away on August 7, 2006. She was born January 12, 1911, in Waukomis, Oklahoma to Harry and Josephine Stutz. She moved to Seminole, Oklahoma in 1972 where she met and married her husband of 50 years, John Veston Duffy. In 1982, she moved to Houston where she spent the rest of her life. She was preceded in death by her husband J.V. and son Harry.rnrnOpal is survived by her only daughter, Jo Ann Zumwalt and husband Wendell; granddaughters Sherri Keller and Donna Stammer; grandson-in-law LTC Mark R. Stammer; great grandchildren PFC Michael Keller, Chris Keller, Kyle Stammer, Patrick Keller and Megan Stammer; numerous other loving family members and friends.rnrnA memorial service will be held at 10:30am on Thursday, August 10, 2006 at John Knox presbyterian Church, 2525 N. Gessner, Houston, Texas.rnrnGraveside Services will be held at Little Cemetery, Seminole County, Oklahoma at 10:30am, Saturday, August 12, with Rev. Gary Wilburn officiating.rnrnIn liey of flowers, memorial contributions may be made to John Knox Presbyterian Church or the charity of your choice. Funeral Information: August 11, 2006, 10:30 AM