Susannah Lattin (January 7, 1848 – August 27, 1868) was an American woman who died of a postpartum infection at an illegal maternity clinic at 6 Amity Place in New York City, operated by Henry Dyer Grindle.

[1] Her death led to an investigation which resulted in regulation of maternity clinics and adoptions in New York City in 1868.

[1] Lattin became pregnant by George C. Houghton; he was a clerk at Whitehouse's boot and shoe store on Fulton Street, Brooklyn.

He pretended to be her husband and arranged for her, as "Mrs. Smith", to see Dr. Henry D. Grindle, who ran an unauthorized "lying-in" hospital that allowed pregnant woman to have their children and have them illegally adopted.

The medical student who attended to her realized Susannah was in serious condition and was not likely to survive, and he persuaded her to tell him her real name so he could notify her family.

[3][4] Susannah Lattin's death led to an investigation that resulted in regulating maternity clinics and adoptions in New York City in 1868.