[1] In 1912 he graduated from the Faculty of Architecture of the Lviv Polytechnic School.

From 1946 he taught at higher education institutions in Lviv; head of the Department of Architecture at the Lviv Institute of Applied and Decorative Arts.

Nahirnyi is the author of more than 500 residential, public, and church buildings in Western Ukraine.

[1][2] For the construction of houses in Lviv, Nahirnyi used the styles of neoclassicism and functionalism; for sacred buildings, he used Ukrainian Baroque and folk architecture.

When designing wooden churches, he mainly developed the traditions of the Boyko school.