Oscar F. Bartlett, M.D., (October 2, 1823 – November 1911) was an American teacher, farm laborer, physician, and politician from Cayuga County, New York.
He studied in the local schools, doing well enough that he soon became a teacher himself in the village of Cato, a profession he would practice for ten years.
He sustained himself as a farm laborer and teacher, and at the age of fifteen also began to study medicine in the office of a local physician, Dr. Robert Treat Payne.
In 1861, rather than seek re-election, he joined the Union Army and became a military surgeon in the American Civil War.
She had two children from her previous marriage, and together they would have one son, John, who would not live past the age of nineteen.