Dr. Cushier was born one of the eleven children. Blackwell and Cushier retired at the turn of the century. Elizabeth Burr Thelberg, who studied under Cushier, curated the "Autobiography of Dr. Elizabeth Cushier" (1933). Cushier ran a private medical practice in New York City. Cushier died on November 25, 1931, and is buried at Green-Wood Cemetery, Brooklyn.