Thayne, formerly called Glencoe, was founded in 1888, at which time mail was brought into Star Valley by team and wagon and distributed to the people from a log cabin owned by Joseph Thayne. The building was one room 12 x 15 feet with a dirt floor. Three years later it was moved to the center of town and Henry Thayne and his wife occupied it. This log cabin, located one and one-half rods west of this site, became the first post office on May 8, 1891, with Laura Thayne as postmistress.