Kochu Chirayil was the eldest son of Pachi Uthup Chirayil, Kuruppanthara and Mariam Chacko, Mutholath, Cherpunkal.
He married Aleykutty daughter of Mathai from Kandarappallil family in Kuruppanthara. Their children are Mary and Koseph.
Joseph married Annammol daughter of Joseph from Pallikkunel family in Punnathura. They have a daughter Renu and sons Rino, and Rijo.