It's highly likely that the name is in reference to "Turkishness". In Turkish there is a female name of "Turkan". Also, it may be a coincidence, but the "ian" suffix in Armenian signifies "son of" and there are a variety of ethnic groups in Romania one of which are Armenians. In addition, Turks have a long history in Eastern Europe. 500 yrs under the Ottoman Turks from 1300-1800 AD approximately, and there were many migrations of Turkic groups previously from the steppes of Central
Asia & Siberia between the years of 400-1100 AD via modern day Ukrain & Russia from the Huns, Avars, Khazars, Bulgars, Kumans and more pushing the Slavic populations westward and settling into the modern nations of (Czech, Slovak, Croatia, Slovenia, Serbia, etc) thusly pushing Germanic tribes into the great yet declining
Roman Empire's lands. So, it's not surprising to see a name refering to Turks in any Eastern European land.