Mervyn Dymally nasceu o 12 de maio de 1926 em Trinidad e Tobago. Foi casado com Amentha Isaacs e Alice Gueno. Morreu o 7 de outubro de 2012 em Los Angeles, Califórnia, EUA.
Dymally was the first Trinidadian to serve California as State Senator and Lieutenant Governor and was one of the first persons of Dougla (mixed African and Indian) origin to serve in the U.S. Congress. He served in the U.S. House of Representatives from 1981-1993.