Carr succeeded the Rev. Martin Luther King Jr. as president of the Montgomery Improvement Association in 1967, a post she held at her death.
She played a prominent role in 2005 on the 50th anniversary of Parks' refusal to give up her bus seat, speaking to thousands of schoolchildren who marched to the Capitol.
"Look back, but march forward," Carr urged the huge crowd of young people. [MSNBC]