He was a Senior at Alessandro High School in Hemet. In his free time, he enjoyed skateboarding, online gaming, and deep sea fishing with his grandpa.
Kyle is survived by his mother, Paula Montgomery and fiancé, John Daigneault; his father, Michael and wife Lisa Sullivan; grandparents, Paul and Sharron Montgomery and Gary and Carolyn Sullivan; sisters, Megan Sullivan and Chelsey Sullivan; half-brothers, Wyatt Sullivan and Nate Szarka; half-sister, McKenzie Sullivan; step-brother, Christopher Daigneault; and aunts, Sherry and Kim.
Even though he was quiet and generally kept to himself, he made an impact in the lives of others around him and will be missed by family, his peers, and dear friends.