Which saint's feast is the name day for Isaac?

It is the feast of St Isaac the Syrian of Nineveh.

Isaac: Name Day

Orthros keeps the name day for Isaac on January 28 on the New Calendar and February 10 on the Old Calendar: the feast of St Isaac the Syrian of Nineveh.

28JanuaryNew Calendar 10FebruaryOld Calendar

The saint

St Isaac the Syrian of NinevehRead the life ›

Other saints named Isaac

Isaac, Dalmatius and FaustusMay 30
St Isaac the Syrian of SpoletoApril 12

Questions

When is the name day for Isaac?: Orthros keeps the name day for Isaac on January 28 on the New Calendar and February 10 on the Old Calendar.
Which saint's feast is the name day for Isaac?: It is the feast of St Isaac the Syrian of Nineveh.