Eliza Ozheshko was born Elzbieta Pawłowska, the youngest daughter of a wealthy landowner and lawyer Benedikt Pawlowski (Polish. Benedykt Pawłowski) and his second wife Frantiska (nee Kamenskaya). She was educated at a boarding school in Warsaw (1852-1857). At the age of 17 she was married to the landowner of the Kobrin district Peter Ozheshko (1823-1874) and lived in his estate Ludvinovo.
She supported the participants of the Polish uprising of 1863. In July 1863, she hid for 2 weeks in her estate, and later helped Romuald Traugutt escape to Warsaw, and Jan Vankovich to Galicia, three months later a 50-year-old peasant Stefan Poplavsky, who works as a coachman in the Ozheshko estate, reported this to the authorities. Nevertheless, Pyotr Ozheshko, Eliza's husband, took all the blame on himself and, according to a court verdict for helping the rebels, in December 1864 he was permanently exiled to the Perm province, and the estate was confiscated at the expense of the state.
The marriage of Eliza Ozheshko with Peter Ozheshko on her initiative was declared invalid in 1869. Having settled in Grodno, Ozheshko sold her estate in the Milkov region (1870) and lived on income from literary activity.
Eliza Ozheshko was interested in medicinal herbs used by healers and healers. Traveling in the Grodno region, she asked the healers, collected folk names of plants. She collected a herbarium and about 228 folk names of plants, many of which contained descriptions of appearance and methods of application. The writer placed her observations in a work entitled "Ludzie i kwiaty nad Niemnem" ("People and flowers over the Neman"), published in the geographical and ethnographic magazine "Wisła" ("Vistula").
On October 21 (November 2), 1894, she married Stanislav Nagorsky. She was engaged in charitable and social activities.
After a serious heart disease, she died and was buried in Grodno at the old Catholic Orthodox cemetery.
