Please enter a minimum of 2 characters to search.
William James Tassin passed away peacefully in his home in Longmont, Colorado on June 3, 2025.
He was born in Corpus Christi, Texas on Tuesday, January 12, 1988, son of the late James Otis Tassin and Melinda Gallegos.
William was an adventurous and brave soul. He lived a simple life enjoying things like cooking for his family, football, skateboarding, mechanics, traveling and family game nights. From skydiving to zip lining to hitting the open roads, sightseeing across the states, from Niagara Falls to California, and even overseas, from Germany and Italy to Christmas in France, William was always ready for his next big adventure. He was a problem solver who often took on difficult tasks head on. His drive and strength were one of a kind.
He is preceded in death by his parents ( Melinda Gallegos and James Tassin) brother ( David Acuna) grandparents ( Cidelia Lopez and Ismael Acuna) and stepfather ( Oscar Gallegos).
He is survived by his sisters ( Veronica Acuna Herrera, Jennifer Tassin, Courtney Tassin and Sydney Tassin) his life partner (Mallory Rios) numerous aunts, uncles, cousins, nephews nieces and even one great grand nephew.
Donations
Honor William Tassin's memory by donating to a cause they cared about. Powered by Pledge, every donation counts. Click here to see their names and join this growing community of supporters
We Entrusted William Tassin's Care To
Blue Mountain Cremation Service
Blue Mountain Cremation Services has been a steadfast provider of dignified direct cremation, offering a thoughtful and cost-effective alternative to traditional funeral homes since 2012. Serving the communities of Boulder and the entire Northern Colorado area, our focus lies in understanding the unique needs and preferences of each family we serve. Trust us to handle your loved one's arrangements with the utmost respect and consideration, with the convenience of online arrangements. At Blue Mountain, we are dedicated to supporting you during this challenging time with respectful and affordable cremation care....
Learn moreTributes
Share a favorite memory, send condolences, and honor William’s life with a heartfelt message.
Posting as
Guest
Not sure what to say?
Answer a question
Ways you can honor William's memory:
Ways you can honor William's memory:
Customize Cookie Preferences
We use cookies to enhance browsing experience serve personalized ads or content, and analyze our traffic. By clicking 'Accept All', you consent to our use of cookies. Learn more on our Privacy Page