St Mary's Orthodox Church (Thiruvithamcode Arappally) which is believed to be established by St Thomas in the first century AD, along with seven other churches (ezharappallikal) in Kerala;
Traditional belief of Saint Thomas Christians of Kerala is that Thomas the Apostle landed in or around Kodungallur in the middle of the 1st century and founded Seven Churches, or Ezharapallikal: Kodungallur, Kollam, Niranam, Nilackal (Chayal), Kokkamangalam, Kottakkayal (Paravoor), Palayoor (Chattukulangara) and Thiruvithamcode Arappally – a "half church".