As a Belizean Leader politician and a member of the People's United Party, Minister Marcial Mes severed as a Minister on Rural Development and Culture from 1998- 2001, in 2001- 2003 he entered in Rural Development, Minister of Human Development, Local Government, and Labour from 2003 to dated 2005.
On May 26, 2014, Mes died in a road traffic accident in the rural Toledo District, Leader of the main opposition People’s United Party (PUP), Francis Fonseca has paid condolence to former minister Marcial Mes, after his death announcement.
Sixty-Five year old Mes along with his neighbor Mario Caal from San Marcos, 46, were heading home in Punta Gorda when Mes was driving his green pick up Toyota, while driving in the area of Yemeri Grove village, Mes lost control of his vehicle and head on to a cement culvert. It happened in the wee hours at 1:15am on May 26th 2014. They sustained serious injuries. Police are investigating and unwilling to give any feedback. Mes leaves to mourn his wife and six children.
According to Francis Fonseca “He was the first full Mayan Belizean to serve in the cabinet, something he was always proud of and we will remember him most of all his absolute dedication to the people on the Southern Belize."He was an educator as well. Many people will forget that he was a teacher and a principal in Toledo. So he has lived a very, very good life, a life of service to his country, a life of service to his people in Toledo and a life of service to our party."