 The peak was photographed from the air by the United States Antarctic Service, 1939–41, and roughly mapped.It was mapped in detail from air photos taken by the Ronne Antarctic Research Expedition in 1947–48, by D. Searle of the Falkland Islands Dependencies Survey in 1960.The peak was named by the UK Antarctic Place-Names Committee for the sloop "Mirnyy" commanded by Lazarev, one of the ships of the Russian expedition.