Mary Finley (Alicia McGee), reinterred in the cemetery soon after it was established in 1864, was the lady in question. You'll find the script of her presentation here. Deming Jarves Thayer, second on the program, was portrayed by Blake Yocom. His script is here. Mike Miller portrayed adventurer Charley Rose. Those portrayed appeared in the order of their deaths.
As happens occasionally during these tours, the actor scheduled to portray Mr. Richmond was ill on Sunday, so Preservation Commissioner Melody Wilson (below left) changed the tense of his script from first to third person and told his story for him.