Civil rights leaders and dignitaries were among those who attended the funeral at Jackson Memorial Baptist Church. U.S. Rep. John Lewis and former Atlanta Mayor Andrew Young were among those on hand.
Creecy took over leadership of the SCLC in January. He died at his home in Atlanta on July 28. He was 57. His family believes he suffered a heart attack.
The organization was founded in 1957, in the aftermath of the Montgomery Bus Boycott, by the Rev. Martin Luther King Jr. the Rev. Joseph Lowery and others.
Creecy was SCLC interim president when he took over permanently on Jan. 30. He was seen as a stabilizing force after King's youngest daughter, Bernice King, declined the top post.