Its name is derived from the Irish language. One theory is that it comes from Léana Dhearg meaning "red meadow".[3] However, the townland was historically called Laraderick and Laraghderick, which is believed to be derived from Láithreach Deirce.[3]
Industry
Milltown Bleach Works at Lenaderg, was demolished mid-20th century. A group of mill workers’ houses still remains.