Myra Clinton was an Immortal born in America. By the year 1866 she lived in the Dakota Territory. In that time Myra was observed by John L. Slocum. She didn't last very long, in the year 1867 she was beheaded by Liam Boorman.
Slocum was later dismissed from the Watchers with predjudice due to allegations that he had physical relations with and/or contributed to the death of this assignment.