Dennis James Van Allen, 66, of Pullman, WA passed away May 23, 2025 at his Pullman home.  Dennis was born March 20, 1959 in Milwaukee, WI to Robert & Theresa (Bachman) Van Allen.  Dennis dedicated years of his life working for both Boeing in Lancaster, CA and later for Washington State University.  He was known for his welcoming smile, giving heart, and contagious sense of humor.  He loved playing bingo, camping, listening to music, and most of all spending time with family.  His family was everything to him.  Dennis is survived by his wife, Bonnie at the Pullman home; his daughter Jenn (Brian) Rumbaugh; his sons Joe (Katie) Hoop and Chris (Sarah) Hoop; his four grandchildren Caleb, Hailey, Chloe and Zoey; and his dog Molly.  The Memorial Mass will be celebrated on Friday, May 30, 2025 at 10:30 AM at Sacred Heart Catholic Church in Pullman.  Dennis will be laid to rest at the Pullman City Cemetery.  Corbeill Funeral Home of Pullman, WA has been entrusted with arrangements.  The family suggests memorial donations to Sacred Heart Parish or to the American Cancer Society.