Charlotte Denman Lozier (March 15, 1844 – January 3, 1870)[1] was one of the first female physicians in the United States.

The Denman family travelled to Napoleon, Michigan in 1850 and later to Galena, Illinois in hopes of exploring the frontier.

[3] In 1864, Charlotte Denman Lozier, 20 years of age, moved back east to New York to pursue a medical degree.

New York Medical College for Women was founded by her mother-in-law, Dr. Clemence Sophia Harned Lozier.

The two remained in Winona for some time before returning to New York where Charlotte then became the Vice President of the National Working Women's Association.

[5] The next to be born was another boy, Robert Ten Eyck, in May 1868 in Connecticut while Dr. Charlotte Denman Lozier was on her way home from a lecture.

[1] In the late 1860s, Charlotte Denman Lozier defended Hester Vaughn, a woman accused of killing her newborn.

Lozier was also well known for defending women such as Caroline Fuller, a young woman whose sexual partner was urging for an abortion.