Samuel Roy McKelvie was an American politician from the U.S. state of Nebraska. McKelvie served as the 19th governor of Nebraska, from 1919 to 1923. He was also the 13th lieutenant governor of Nebraska, from 1913 to 1915.

Fairfield is a city in Clay County, Nebraska, United States. The population was 387 at the 2010 census. It is part of the Hastings, Nebraska Micropolitan Statistical Area.