Bairdston is an unincorporated community in Sullivan County, in the U.S. state of Missouri.[1]
The community is at the intersection of Missouri routes BB and OO approximately six miles northwest of Milan.[2]
A variant name was "Bairdstown".[3] The community was platted in 1859 by Miles B. Baird, and named for him.[4] A post office called Bairdstown was established in 1858, and remained in operation until 1903.[5]