Looking for James Grismore Sr of Tyler

Hello:
My name is Henry Grismore Jr. and I am trying to find my Great Grand Father,James(Jim)Grismore Sr.of Tyler,Texas,He died in 1947,and was Born in 1863,My Father was his Grand Son,he was Married to my Mother Nellie Browning,of Tyler.She Moved to Ft.Worth,Texas and died in 2012,I never knew all of my ancestors because my Father and Mother Seperated and Disvorced about 3.5 Years after they was Married.