Summerhill (Irish: Cnoc an Línsigh) is a village in County Meath, Ireland. It is located at the intersection of the R156 and R158 regional roads. The Irish version of the town's name means "Lynch's Hill", and it was the ancestral home of the Norman-Irish Lynch family, whence came the Galway merchant family of the same name- one of the "Tribes of Galway"- and consequently, in the twentieth century, Che Guevara.[citation needed] It is also the site of one of the more important battles in 17th century Ireland, the Battle of Dungan's Hill. The town was known in English as 'The Knock' or 'Lynchs' Knock' (phonetic renderings of Cnoc an Línsigh, Lynchs' hill) until about 1667 when it was renamed Summerhill. The ruins of the large Lynch castle can be seen in the village today.