From Halopedia, the Halo wiki
Newton County, also known as the County of Newton, is a county in the State of Mare Nubium on Luna, Earth's natural satellite. Governed by the Luna Confederated States, the Asimov Center and the Academy at Mare Nubium are located in the county.
Quinn Lloyd was a Licensing Officer for Newton County in 2492, responsible for issuing marriage licenses. Preston Cole and Inna Volkov were married in Newton County by Harold Yates, a county Ordinary, on August 17, 2492.