Dianne C Allen Obituary
It is with deep sorrow that we announce the death of Dianne C Allen of Billings, Montana, who passed away on January 26, 2026, at the age of 80, leaving to mourn family and friends. Leave a sympathy message to the family in the guestbook on this memorial page of Dianne C Allen to show support.
She was predeceased by: her parents, George Ahrens and Jane Ahrens; her husband Robert; and her sisters, Jean Sinnenberg and Fran Kavanaugh.
She is survived by: her children, Monica Birko (Alan), Douglas and Brandon; her sister Mary Quigley (late Tom); and her grandchildren, Ashley Birko, Braden Birko, Ryun Allen, Tyler Allen, Ezra Callisto (Julia), Jake Long, Izaiah Long (Krista) and Kylonna Parkins (Carter). She is also survived by many great-grandchildren.
During the last few years of her life, Dianne started on her Alzheimer journey.
