Sebastian Guillemette Dunn

Sebastian Guillemette Dunn passed away on September 3rd, 2026, at the age of 17. Sebastian lived his young life to the fullest, traveling the world and making lasting impressions on all those he crossed paths with. He was a loyal friend, supportive brother, caring grandson and loving son.

Sebastian was the middle son of Gabriel Dunn and Lydia Guillemette Dunn and brother to Trinity Dunn and Xavian Dunn. He was the grandson of Albert Guillemette Sr. and Dora Guillemette, Frederick Dunn and Rosemary Dunn. He was the nephew of Albert Guillemette Jr. and Minerva Santoyo Guillemette and cousin to Apollo. He was the nephew of Lou Martinez and cousin to Luna Martinez.

Sebastian was born and lived in Dover, Delaware before moving with his family to Turkey and Germany for a short period of time and finally settling in New Braunfels, Texas. He was a senior at Smithson Valley High School. Sebastian was a member of his middle and high school orchestra and participated in the JROTC program. He was active in his Olympic weight-lifting class, was a student in the agricultural program, and was excited about his welding class.

While in school, Sebastian worked at McDonald’s in New Braunfels. He enjoyed his time socializing with his friends and working out with them at the neighborhood gym. He enjoyed spending time and travelling with his family. His love for his dogs Snowball and Pepper was immeasurable. His favorite food was pizza, french fries, vanilla ice cream and soda. As a newly senior, he was recently exploring pursuing the fields of welding and professional motorcycle racing. Sebastian was creative, spending time experimenting with metals in his backyard.

Sebastian had the heart of an explorer, was fiercely honest, courageous, and cared deeply for his family and closest friends. He knew who he was, worked hard, and dreamed of becoming more.

The public viewing and visitation for Sebastian will be held on Sunday, September 20, 2026, from 9:00 am to 4:00 pm at Zoeller Funeral home located at 615 Landa St., New Braunfels, Tx 78130. A memorial service will be held at Zoeller Funeral home on Monday, September 21st, 2026, at 11:00 am. The funeral procession from the funeral home to Ft. Sam Houston Cemetery will begin at 1:00 pm. A committal service will take place at 2:30 pm at Fort Sam Houston National Cemetery, located at 1520 Harry Wurzbach Rd., San Antonio Tx, 78209.