One letter to her father Frederick Wolcott from New York reporting on her agreeable situation with her cousin Laura Wolcott Gibbs; states that her teacher is pleased with her progress and believes her to be a good scholar; says she has declined all invitations to balls and parties believing it to be against her parents wishes; notes that she hasn't so much as read a novel since arriving in New York.
Mary Ann writes to her brother to give details of their sister Laura's wedding to Robert G. Rankin. Reports that they all wished he were there; notes that Laura was a beautiful bride and gives a description of her dress (now in the collection of the Museum of the City of New York); requests that Frederick be careful of his health; details their father's work in the garden; notes that the parlor and dining room have been papered and painted; teases him about a pretty girl.