Alexander Hamilton Dey (1819 - 1889) was born in Geneva, New York to Benjamin Dey, a prominent Lawyer, and Mary Jacobus. Benjamin Dey died Young and left his vast estate to his son, Alexander.

• Alexander was a ward of John Rose, Esq., of an old Virginian family.
• Alexander attended the Canandaigua Academy, a widely celebrated school.
• He graduated in 1841 from Hamilton and Union Colleges in New York State.
• He entered the law offices of Judge Welles of Penn Yan, New York.
• After 1.5 years in this post, Alexander's physician advised him to go South because of an attack of pulmonary pneumnia.
• On 21 March, 1842, he married Augusta Stewart of Penn Yan and left directly for St. Augustine, Florida where he remained until the return of warmer weather.
• In 1843 on a visit to Detroit he purchased an interest in the banking office of the late James O. Graves
• In 1845 he moved to New York City to open a banking office with his brother in law, Elisha Steele. When Elisha's health failed, the venture was closed.
• Alexander returned to banking in Detroit by purchasing Coe & Coit.
• In 1865 Alexander's bank was merged with the American Exchange National Bank of Detroit.
• He served as president of this bank until his death in 1889.
• He was appointed by Governor Jérôme in 1883 as one of the commissioners appointed to provide relief for the distressed families who suffered from the conflagrations of the northern forests in Michigan.
• Alexander was a trustee of Elmwood Cemetery.
• He was well known as a counselor and friend of widows and orphaned children in Detroit as he helped with their Financial affairs

Sources

• Find A Grave