Frank

Mancillas

In Loving Memory of

Frank Mancillas

September 29, 1966 – March 18, 2026

Frank Mancillas, 59, went home to be with the Lord late Wednesday morning, March 18, 2026.

He was born on September 29, 1966, to Romeo Mancillas & Maria Elena Garcia.

Frank began his career in law enforcement as a peace officer for the City's of Raymondville, Los Fresnos, Combes, & Palm Valley police departments and the DEA as a drug specialist. He also worked for the Cameron County district attorneys office special forces unit and retired from Palm Valley Police Department as a peace officer after five years of service. Frank loved spending time with his grandchildren. He enjoyed sports, fishing, and spending movie nights with the family & grandchildren, including barbecues & barbacoa Sundays.

Frank was a loving husband, father, son, brother, uncle, cousin, & friend.

His survivors include his loving wife of thirty-six years, Anna Luisa Mancillas, two children, Frank Mancillas, Jr. and Alexis Marie Mancillas. His grandchildren, Kendrick Lopez, Aria Lacy Mancillas, Atticus James Mancillas, Kingston J. Ryan Mancillas, and Valentina Juliet Olivarez. His parents, Romeo and Maria Elena Mancillas, his siblings, Rosie Cavazos, Romeo Mancillas Jr., Maricela Mancillas, Mateo Mancillas, Caroline Mancillas, and Jose Mancillas. Frank is also survived by numerous nieces, nephews, relatives, and friends.

Visitation will be held on Saturday, March 21, 2026, from 1:00 p.m. to 9:00 p.m. at Trinity Funeral Chapel of the Holy Spirit with a Prayer Service to begin at 6:00 p.m. with Pastor Barry Jackson of Christian Fellowship Church of Harlingen officiating. Police honors and the last call will begin immediately following the Celebration of Life Service presented by the Harlingen Police Dept., Palm Valley Police Dept. and Cameron County Sheriff Manny Trevino.

With profound love and remembrance, the family of Frank Mancillas have entrusted his funeral arrangements to Lenny Elizondo, funeral director/owner of Trinity at Harrison Funeral Home, 1002 E. Harrison Ave.  Harlingen, TX 78550. For information, please call (956)364-2444 or visit www.trinityfunerals.com