Holy Apostle Jude (Thaddeus), Brother of the Lord.
The Holy Apostle Jude, called Thaddeus, is numbered among the Twelve and is known as the Brother of the Lord, being of the household of the righteous Joseph. He wrote the short catholic epistle that bears his name, urging the faithful to contend earnestly for the faith once delivered to the saints. After Pentecost he preached the Gospel in the lands of the East, and tradition holds that he ended his labors as a martyr.
The Church honors him as apostle, kinsman of the Lord according to the flesh, and witness unto blood. He is commemorated on June 19.
Feast day
On the New Calendar, Apostle Jude, Brother of the Lord is commemorated on June 19. Churches on the Old (Julian) Calendar keep the feast on July 2 of the civil calendar.
Who celebrates a name day
People with these names keep their name day on this feast:
Also commemorated on June 19

John Maximovitch of Shanghai
Hierarch, Ιωάννης Μαξίμοβιτς
St. John Maximovitch, Wonderworker and Archbishop of Shanghai and San Francisco.
Paisius the Great
Venerable, Παΐσιος ο Μέγας
Venerable Paisius the Great of Egypt, desert father and friend of Saint John the Short.
Zosimas the Soldier
Martyr, Ζώσιμος ο Στρατιώτης
Holy Martyr Zosimas the soldier, beheaded at Antioch in Pisidia under Trajan.
Job, Patriarch of Moscow
Hierarch, Ιώβ Πατριάρχης Μόσχας
Saint Job, first Patriarch of Moscow and all Russia.
Barlaam of Shenkursk
Venerable, Βαρλαάμ ο Βάζσκυ
Venerable Barlaam of Vaga, boyar of Novgorod who became a monk and founder of a monastery on the Vaga river.
Icon: public domain image from Wikimedia Commons.