John Adams' wife was ABIGAIL, a seven-letter name. ABIGAIL Adams was an American socialite and political figure during the late 18th century. She was the wife of John Adams, the second President of the United States, and the mother of John Quincy Adams, the sixth President of the United States. ABIGAIL was a strong advocate for women's rights and education, and she was a major influence on her husband's political career. She is remembered for her letters to her husband, which provided insight into the life of the early American republic.