[1] Adrian Kashchenko was born in the family of small landowner claiming its roots to the Zaporozhian Cossacks in Yekaterinoslav Governorate (modern Dnipropetrovsk Oblast).
Sharing the amongst nine siblings one of whom Mykola Kashchenko - would become a Ukrainian academician and the founder of Kyiv Botanical Gardens.
Adrian studied several years in gymnasium and military college, served as a small rank officer.
Not finding himself in military career, A. Kashchenko became a clerk in the railway department, married and settled in Yekaterinoslav for some time.
At that time Kashchenko took part in the Ukrainian Prosvita ("Enlightenment") society activities and even founded his own publishing house.