For this Duncan Roland there are 2 different names on Yasni.
In the ranking of the most common first names Duncan Roland is on position 4589.
Male first name (English): Duncan, brown (haired) warrior; Old Irish (Word format); donn = brown; chadh = the warriors
Male first name (German, French, English): Roland, Old High (two-part name); hruod = fame; lant = the country, home, old German two-part name, known by the sagas surrounding Charlemagne and Roland Song