The Marion Jenkinson Service Award is given to an individual who has performed continued extensive service to the American Ornithological Society (AOS), including holding elected offices but emphasizing volunteered contributions and committee participation. The award honors Marion Jenkinson Mengel, who served the American Ornithologists’ Union as treasurer and in other capacities for many years, and consists of a framed certificate and an honorarium. The 2019 award is presented to Dr. Alice Boyle.