The island is shown as separate from Kupreanof Island in an 1844 Russian chart, while the name was published in 1848 on a Russian Hydrographic Department chart as "Os(trov) Mitkova" for an Admiral Prokofy Mitkov.
A illa móstrase separada da illa Kupreanof nun mapa ruso de 1844, mentres que o nome publicouse en 1848 nun gráfico do Departamento Hidrográfico de Rusia como "Os(trov) Mitkova" polo almirante Prokofy Mitkov.