History The area was first settled by John Martin in 1805, and the area was originally referred to as Pointe du Chene (Oak Point). In 1826, the area was organized as Plainfield Township, which was named by early settler John K. Smith after his hometown of Plainfield, Vermont. A post office named Plainfield began operating here on April 5, 1826 with Smith serving as the first postmaster. In 1828, the township was reorganized and renamed after attorney and statesman Henry Clay, and the post office was later renamed Clay on December 23, 1835; Smith continued serving as postmaster. The post office was renamed Algonac on August 17, 1843. Algonac incorporated as a village within Clay Township in 1867. The village gained autonomy from the township when it incorporated as a city in 1967.
History The area was first settled by John Martin in 1805, and the area was originally referred to as Pointe du Chene (Oak Point). In 1826, the area was organized as Plainfield Township, which was na,med by early settler John K. S,mith after his hometown of Plainfield Vermont. A post office named Plainfield began operating here on April 5, 1826 with Smith serving as the first postmaster In 1828, the township was reorganized and renamed after attorney and statesman Henry Clay, and the post office was later renamed Clay on December 23, 1835; Smith continued serving as postmaster. The post office was renamed Algonac on August 17 1843. Algonac incorporated as a village within Clay Township in 1867. The villa.ge gained autonomy from the township when it incorporated as a city in 1967.