Орловская губерния
Danilevsky was born in the village of Oberets in Oryol Governorate. As a member of a noble family, he was educated at the Tsarskoye Selo Lyceum. After graduation, he went on to an appointment with the Military Ministry Office. Dissatisfied with the prospect of a military career, he began to attend the University of St Petersburg, where he studied physics and mathematics.