Eliza is a young socialite who has recently been freed from an unwanted engagement to Mr. Haly. She is highly self-aware but newly independent, making her reluctant to rush into another serious commitment. Her desire to experience social pleasures causes friction with her protective circle of friends. She values her freedom but struggles to balance her personal desires with strict societal expectations regarding courtship.

Major Sanford is a fashionable gentleman who delights in high society and public entertainment. He is a self-described rake who views traditional marital commitments with absolute distaste. He quickly becomes enamored with Eliza and pursues her aggressively despite her friends' vocal disapproval of his lifestyle.

Mr. Boyer is a young, educated clergyman preparing to establish himself in a neighboring parish. He embodies stability, honor, and religious duty. While he lacks the flashy social lifestyle that appeals to Eliza, he hopes to win her over through reason, respect, and a patient courtship process.

Julia is an unmarried, independent young woman who exercises strong moral discretion. She is attractive and socially active but maintains strict self-control and decorum. Her presence in the Wharton household acts as a grounding force during times of emotional turmoil.

Lucy is one of Eliza's best friends and her primary confidante early in the story. She possesses a strong sense of traditional morality and societal expectations. As she transitions into her own married life in Boston, she frequently advises Eliza to make sensible, stable choices regarding courtship.

Mrs. Richman is a happily married woman who embodies the ideal of early American domestic life. As a close friend to Eliza, she acts as a cautious advisor. She strongly supports Reverend Boyer's courtship and actively warns Eliza against engaging with men of questionable virtue.

Mrs. Wharton is the widow of a respected clergyman and a devoted mother to Eliza. She is a caring figure who provides a stable home environment in Hartford. She naturally favors suitors who share her late husband's respectable clerical profession and worries about her daughter's social choices.

Nancy is the daughter of the wealthy Laurence family. She is a beautiful young woman with significant financial prospects who frequently moves in the same social circles as Eliza. She becomes deeply taken with Major Sanford despite his public reputation.

Mr. Selby is a loyal friend to Reverend Boyer. He acts as an observer and confidant, sharing Boyer's upright morals. He occasionally keeps an eye on the social dynamics surrounding Eliza when Boyer is absent, reporting back on her interactions with other men.

Charles is a close friend and confidant to Major Sanford. Though he does not actively appear at the social gatherings, he serves as the primary recipient of Sanford's private letters. He shares Sanford's libertine worldview and acts as a sounding board for his schemes.

General Richman is the respectable husband of Mrs. Richman. He provides a stable, domestic environment at his estate, representing the honorable, grounded lifestyle that Eliza's friends wish for her to adopt.

Maria is the sister of Mr. T. Selby. She shares her brother's respectable social standing and solid moral foundation, embodying the predictable, virtuous qualities expected of young women in her class.