Complex sentence: Mary Evelyn Dickerson Parker (November 8,1920--January 17,2015) was a Democrat who served as the Louisiana state treasurer from 1968 to 1987, the first woman to have held the position.
Split into simpler sentences: Mary Evelyn Dickerson Parker (November 8,1920--January 17,2015) was a Democratic state treasurer of Louisiana, having served from 1968-1987. She was the first woman to have held the position.