For this Duncan Benjamin there are 3 different names on Yasni.
In the ranking of the most common first names Duncan Benjamin is on position 4588.
Male first name (English): Duncan, brown (haired) warrior; Old Irish (Word format); donn = brown; chadh = the warriors
Male first name (German, English, French): Benjamin, son of the right hand, son of the South, son of happiness, Hebrew (Old Testament); ben = son; jamin = right hand, right, the south, in the Bible Benjamin is the youngest son of Jacob and thus the name of one of the 12 tribes of Israel
