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

It is the feast of St Igor-George of Chernigov.

Igor: Name Day

Orthros keeps the name day for Igor on June 5 on the New Calendar and June 18 on the Old Calendar: the feast of St Igor-George of Chernigov.

When is the name day for Igor?: Orthros keeps the name day for Igor on June 5 on the New Calendar and June 18 on the Old Calendar.
Which saint's feast is the name day for Igor?: It is the feast of St Igor-George of Chernigov.