For this Duncan Gilbert there are 2 different names on Yasni.
In the ranking of the most common first names Duncan Gilbert 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, English, French): Gilbert, Old High (two-part name); gisal = the hostage, the guarantor, the pledge; beraht = bright, shiny, old German two-part name, known by the medieval practice, children as guarantors for to enter alliances to foreign courts