Amelia "Memie" Sturges Morgan was married to Amelia Morgan in 1835-1862.

After arriving in New York, Pierpont fell in love with Amelia Sturges, the daughter of a well-known merchant and patron of the arts.Pierpont drew an itinerary for Memie and her parents when they decided to go on a tour of their own.He met them in London at the end of their tour and spent the next two weeks with them.She agreed to marry him in the spring of 1860, but later that winter she came down with a severe cough that didn't go away.The couple went to the Mediterranean for a honeymoon cure after they were married.Memie was diagnosed with Tuberculosis in Paris.She wrote to her mother, "I wish you could see his loving devoted care of me, he spared nothing for my comfort and improvement."Four months after her wedding, Memie died.Pierpont was young.