 She is the woman who shoos the children out when Mrs. Dubose has her fits, and she seems to care enormously for Mrs. Dubose.When Jem is forced to stay reading to Mrs. Dubose, Jessie kindly leads Jem and Scout to the door when Mrs. Dubose's alarm goes off.The rumors about Mrs. Dubose concealing a gun about her person involves Jessie; the book says "and even if Mrs. Dubose missed, her girl Jessie wouldn't."