For this Duncan Graham there are 18 different names on Yasni.
In the ranking of the most common first names Duncan Graham is on position 4573.
Male first name (English): Duncan, brown (haired) warrior; Old Irish (Word format); donn = brown; chadh = the warriors
Male first name (English, Scottish): Graham, Gray House, Old English (Surname as first name); Graeger = Gray; ham = the home, the house, by a Scottish family name that goes back again to an Old English place name, the meaning (?) the place name is resolved not sure, maybe 'gray house'