Updated: Sep 16, 2019
James Ensign was an early settler of Hartford, Connecticut. His name is memorialized on the "First Settlers Monument" in the Ancient Burying Ground in Hartford, shown here in this Google image:
This image is from Record of the descendants of James Ensign and his wife Sarah Elson, 1634-1939, by Martha Ensign Nelson, 1939. (Click here to read the book at Archive.org for free).