Cover photo for Dennis T. Halfmann's Obituary
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1936 Dennis 2020

Dennis T. Halfmann

February 25, 1936 — September 5, 2020

Dennis T. Halfmann passed away peacefully at home on Saturday, September 5 th , at the age of 84.  A vigil service will be held at St. Boniface Church (Olfen) on Monday, September 7 th at 6:00 p.m.  The funeral mass will be held at St. Boniface Church on Tuesday, September 8 th at 10:00 a.m.

Dennis was born on February 25, 1936, to Otto T and Amelia (Lange) Halfmann of Olfen, Texas.  He was a lifelong resident of Olfen where he attended Olfen ISD and graduated from St. Joseph High School, Rowena, Texas.  Upon graduation, he served in the Army National Guard, 142 nd Regiment, 36 th Infantry.

Dennis loved the land and was passionate about farming and ranching.  He loved to ride his horse, hunt, and fish.  He and his brother, Clifford, were early innovators in establishing one of the first registered Red Angus herds in West Texas and became active in the Texas and National Red Angus Associations.  Dennis served as an officer and director of the Texas association.  Halfmann Red Angus supplied seed stock and bulls to upstart registered herds and commercial cowherds in the United States, Russia, and Mexico.  Halfmann Red Angus was named 2007 Pioneer Breeder of the Year of the National Red Angus Association.  Their cattle took top honors at the major stock shows including Houston, San Antonio, and Fort Worth.

Dennis was a simple, quiet man with a big heart and always a chuckle.  With the death of his dad, he, as a young man, assisted his mother in raising his younger brother and two nieces including driving them to many of their school events and dances.  Throughout the years, his care for his widowed mother exemplified his love and compassion.  Never having children of his own, he took a special interest in all his nieces and nephews.

Devoted to his beloved church, Saint Boniface, Dennis was involved in church activities, including the church choir, fall festivals, and Knights of Columbus (4 th degree).

Survivors include his brothers, Clifford Halfmann and Glen Halfmann (Diane), and sister, Betty Joyce Schwartz.  He is also survived by nieces and nephews Sharon Duesterhaus (Tony), Judy Phelps (Don), Greg Frenzel (Alicia), Lisa Cage, James Schwartz (Cecilia), Jeffrey Schwartz (Karen), Monica Schwartz, Clyde Schwartz (Amy), Chad Halfmann, Cody Halfmann (Laura), and Jessica Smith (Davis).  Also surviving are numerous great and great-great nieces and nephews.

Dennis is predeceased by his parents, sisters, Rita Bartels, and Anna Mae Frenzel, and brothers-in-law, Lawrence Frenzel, and David Schwartz.

Pallbearers will be nephews.

A heartfelt thanks to Darlene and Bruce Storms for their wonderful loving and tireless care.  A special thanks to Bella Storms, who was a special little friend in Dennis’s life.

The family requests that memorials be made to the American Diabetes Association, P.O. Box 15829, Arlington, VA 22215, St. Boniface Cemetery fund, or a favorite charity.

To order memorial trees or send flowers to the family in memory of Dennis T. Halfmann, please visit our flower store.

Service Schedule

Past Services

Rosary Service

Monday, September 7, 2020

Starts at 6:00 pm (Central time)

St. Boniface Catholic Church

513 Pecan Street, Rowena, TX 76875

Enter your phone number above to have directions sent via text. Standard text messaging rates apply.

Mass of Christian Burial

Tuesday, September 8, 2020

Starts at 10:00 am (Central time)

St. Boniface Catholic Church

513 Pecan Street, Rowena, TX 76875

Enter your phone number above to have directions sent via text. Standard text messaging rates apply.

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