c1930 snapshot of a woman and child identified on the reverse as "Jesse Conant Ulmer" and "Austin or David". She was Jessie (Conant) Ulmer of Rockland, Maine, wife of Henry Eliot Ulmer.
From brief online research, hopefully correct: [corrections and additions requested]
Jessie Louise (Conant) Ulmer was born December 8, 1904 at Rockland, Maine, the daughter of Ralph Philbrick Conant and Ella Mabel (Wixson) Conant. On June 19, 1926 at Rockland, Jessie married Henry Eliot Ulmer, son of Isaac Brown Ulmer and Isabella (Henry) Ulmer. Henry was born at Hampden, Maine, on July 18, 1902.
By the time of the 1930 Census, Henry, Jessie and their three year old son were living at Vassalboro, Maine, where Henry was working as a missionary. Henry, a Baptist minister, later suffered legal issues and a breakdown and by 1940 was living at the Bangor State Hospital. In 1940, Jessie was teaching school and living in her parents' home at Rockland, Maine, with her two sons.
Jessie died at Rockland, Maine, in 1987 and Henry at Severn, Maryland, in 1996.
If you have corrections and/or additions to the information above, please leave a comment or contact me directly.