John Speed recorded the village on his 1610 map as "Southold".
The Plough pub at Southolt Green opened in the 17th century and closed about 1990.[1]
Southolt's population declined greatly in the 20th century, and is now fewer than 70.[2]
Parish church
The Church of England parish church of St Margaret is a 15th-century flint building. Its chancel was rebuilt in brick in 1771. The west end of the nave was rebuilt in 1907. Monuments inside include a brass made in 1585. The building is Grade II* listed.[3]