Thanks to Bus for spotting this interesting story. Stared in 1925 by Mary Breckinridge, the Frontier Nursing Service (FNS) provided healthcare to rural folks in Kentucky. At first, horses and saddlebags helped them gain access to remote areas, but during WWII the group turned to jeeps. As these photos show, over the years FNS used a variety of different jeeps. There is even a 1931 documentary about the group (with additional information here):
In the late 1930s Edsel Ford donated a reconditioned Model A to the Service, which Mary named Henrietta. Several years later Ford replaced Henrietta with Henrietta II, a jeep. At some point the FNS secured another jeep, a WWII jeep Mary named “Jane”, named for a benefactor Clara “Jane” Ford”.