Name days on January 12
Tatiane, Tatiani, Tanya, Tania, Tatiana, Euthasia, Efthasia, Eupraxia, Efpraxia, Evpraxia
Saints and feasts of January 12

Tatiana
Martyr, Τατιανή
St. Tatiana was a deaconess of the Church of Rome who suffered martyrdom in the third century. Raised in a devout home, she served the Church in prayer and in care for the sick and the poor. Arrested in a time of persecution, she confessed Christ with courage and endured many tortures without denying her Lord.
Mertios the Martyr
Martyr, Μέρτιος
St. Mertios was a soldier from Mauretania in North Africa who confessed Christ during the persecution of Diocletian. Refusing to sacrifice to the idols, he was beaten and thrown into prison, where he died of his wounds.
Euthasia the Martyr
Holy Woman, Ευθασία
St. Euthasia is commemorated on January 12 as a holy woman martyr. The synaxaria preserve her name and confession, but the details of her life and contest have not survived.
Peter Apselamos
Martyr, Πέτρος ο Αβεσαλαμίτης
St. Peter Apselamos was a young man from the region of Eleutheropolis in Palestine. During the persecution of the early fourth century he refused to sacrifice to the idols before the governor at Caesarea and was burned alive.
Tigrios and Eutropios
Martyr, Τίγριος και Ευτρόπιος
Sts. Tigrios and Eutropios were clergy of Constantinople devoted to St. John Chrysostom. After the exile of the saint in 404 a fire destroyed the Great Church, and they were falsely accused of setting it; Eutropios died under torture and Tigrios was exiled.
Eupraxia of Tabenna
Holy Woman, Ευπραξία
St. Eupraxia was a noblewoman of Constantinople in the fourth century, kinswoman of the Emperor Theodosius. Widowed, she withdrew with her young daughter to the Thebaid in Egypt and entered the monastic life at Tabenna, where she reposed in peace.
Martinian of Belozersk
Venerable, Μαρτινιανός
St. Martinian was a disciple of St. Cyril of White Lake in the fifteenth century and later abbot of the Ferapontov Monastery. Called to the Holy Trinity Lavra by the Grand Prince, he served there as abbot before returning to Ferapontov, where he reposed in 1483.