Aaron Castillo of Heavener, Oklahoma was born May 4, 1997 in Brownsville, Texas to Jose Castillo and Olga Lydia (Castillo) Hernandez and passed away on October 11, 2025 in Oklahoma City, Oklahoma at the age of 28.

He is survived by:

His parents:

Jose Castillo and Olga (Castillo) Hernandez of Heavener, Oklahoma

His fiancé:

Victoria Garcia of the home

Three sons:

Aaron Castillo of Heavener, Oklahoma

Maddux Castillo of Heavener, Oklahoma

Jacob Castillo of Heavener, Oklahoma

One sister:

Destiny Castillo of Heavener, Oklahoma

Four brothers:

Arnoldo Castillo of Heavener, Oklahoma

Abraham Castillo of Heavener, Oklahoma

Alejandro Castillo of Heavener, Oklahoma

Guillermo Sarmiento and wife Alejandra of Texas

Three nieces:

Lydia Castillo, Alexis Castillo, and Kenia Sarmiento

Two nephews:

Arnoldo Castillo, Jr. and Emiliano Sarmiento

Numerous other relatives and a host of friends

Aaron was a 2015 graduate of Heavener High School. He worked at Fedex. He was a loving fiancé, father, brother, son, uncle, cousin, and friend. Aaron was a member of the 633 Church in Spiro, Oklahoma. In his free time, his favorite thing was to spend it with his sons and family. Aaron was a veteran, where he served his country in the United States Marines. He will be deeply missed by all whom knew and loved him.

Funeral service to honor Aaron's life will be 3:00 p.m., Saturday, October 18, 2025 at the Light and Hope Fellowship Church in Heavener, Oklahoma with Reverend Jose Castillo and Brother Kane Riggs officiating. Burial will follow in the Castillo Family Cemetery in Howe, Oklahoma with military honors by the Poteau DAV #63 under the direction of Dowden-Roberts Funeral Home in Heavener, Oklahoma.

Aaron will lie in state beginning on Friday from 1:00 p.m. until 6:00 p.m. and Saturday from 10:00 a.m. until 1:00 p.m. at the funeral home.

Pallbearers will be: Arnoldo Castillo, Abraham Castillo, Gilberto Perez, Raul Aguilar, Alejandro Castillo, Victor Castillo, Paul Castillo, and Nicolas Castillo