William Fred Riggs

October 19, 1937May 27, 2019

On Monday, May 27, 2019, William Riggs of Montgomery, Texas passed away in Arequipa, Peru at age 81. William was born on October 9, 1937, in Luling, Texas, to A.J. and Elsie Riggs. He received his Bachelors of Science degree in geology from the University of Texas El Paso in 1960, and enjoyed a long and rewarding career in minerals processing until his passing. With his wife, Anna Winningham Riggs, he raised two daughters, Allison and Adriane, and one son, Stephen. William loved football and was a team member of the 1957 UTEP Miners that earned an appearance to the Sun Bowl. He was also a life-long hunter and fisherman, and enjoyed hunting with close friends all over the United States and fishing in Matagorda Bay. He was known for his love of God, family, and country, and for the incredible stories he told about his international travels. William was preceded in death by his father, A.J., and his mother, Elsie, and his wife Anna. He is survived by two daughters, Allison Riggs Small and her husband Brad, and Adriane Riggs Lakin and her husband Phil Jr.; son Stephen Eric Riggs and his wife Haley; grandchildren, Sarai Small Smith and her husband Scott, Christopher Small and his wife Brigid, Brooks Lakin, Alex Lakin, Cooper Lakin, and Anna Claire Riggs; great granddaughter Mary Allison Small, and great grandson Declan Small. Funeral service will be held on Thursday, June 20, 2019, at Cashner Funeral Home in Conroe, Texas at 2:00 pm with Brad Small and Steve Yates officiating. Pallbearers for the service will be Charles Andress, Peter Buenz, Mark Davis, Mike McDonald, Don Jensen, Dee Van Schoick, and John Bodtmann. To honor William Riggs’s countless contributions to the extractive industry, the Bill Riggs Mineral Processing Scholarship has been established at Montana Tech to help students with financial need pursue a career in mineral processing. Donations can be made on-line at:, “Designation: Other” and type in “Bill Riggs Scholarship.” You may also send a check referencing Bill’s scholarship to the Montana Tech Foundation, 1300 West Park Street, Butte, Montana 59701 also online at, designated to Sarai and Scott Smith or the general fund using the “donate” tab, also by check to The Footstool Project, 16965 Pine Lane, Parker, Colorado 80134. You are invited to view our webpage and leave written tributes to the family at


  • Allison Riggs Small and husband Brad, Daughter and Son-In-Law
  • Adriane Riggs Lakin and husband Phil Jr., Daughter and Son-In-Law
  • Stephen Eric Riggs and wife Haley, Son and Daughter-In-Law
  • Sarai Small Smith and husband Scott, Grandchild
  • Christopher Small and wife Brigid, Grandchild
  • Brooks Lakin, Grandchild
  • Alex Lakin, Grandchild
  • Cooper Lakin, Grandchild
  • Anna Claire Riggs, Grandchild
  • Mary Allison Small, Great Grandchild
  • Declan Small, Great Grandchild
  • A. J. and Elsie Riggs, Parents
  • Anna Riggs, Loving wife
  • Numerous other relatives and a host of friends.

  • Paul Andress
  • Peter Buenz
  • Mark Davis
  • Mike McDonald
  • Don Jensen
  • Dee Van Schoick
  • John Bodtmann


20 June

Celebration of Life

2:00 pm - 3:00 pm

Cashner Funeral Home

The Colonial Chapel

801 Teas Road
Conroe, Texas 77303


William Fred Riggs

have a memory or condolence to add?

Walter McCulloch

June 17, 2019

Bill was a Frend and the go to consultant for many mineral processing problems.

He will truly be missed by family, friends and the mining industry.

Mary Wagers

June 16, 2019

This picture of Bill and his cronies was taken at our annual Rib and Manhattan Fiasco on May 11, a few weeks before he left us. Bill was always up for a party.