Mabel is a minor character featured in Red Dead Redemption 2.
Events of Red Dead Redemption 2
In "The Artist's Way III", Mabel and her husband Horace can be seen attending Charles Châtenay's art exhibition. Mildred expresses her disgust in the paintings to Charles. After a fight breaks out, she hits Châtenay multiple times with her handbag, calling him a "filthy little man", before leaving the exhibition with her husband.