John Calybite

John Calybite was a Greek monk and hermit who is venerated as a saint by the Eastern Orthodox Church and Roman Catholic Church.
He left home at a young age and for several years was a monk in Jerusalem. He returned home disguised as a beggar, and his parents did not recognize him, but gave him a hut to live in. He revealed himself to his mother when on his deathbed. His feast day is celebrated on 15 January.

Monks of Ramsgate account

The monks of St Augustine's Abbey, Ramsgate, wrote in their Book of Saints,

Roman Martyrology

The Roman Martyrology includes:

Butler's account

The hagiographer Alban Butler wrote in his Lives of the Primitive Fathers, Martyrs, and Other Principal Saints, under January 15,

Veneration

In the Eastern Orthodox Church, he is commemorated on January 15. He is given the title "the Hut-Dweller", so his name is often rendered Saint John the Hut-Dweller in this tradition.