For this Alan Irwin there are 2 different names on Yasni.
In the ranking of the most common first names Alan Irwin is on position 4589.
Male first name (German, English, Scottish): Alan, Celtic (Word format); al = the rock, came in the Middle Ages with the Normans to England significance not sure clarified, perhaps of Celtic and Breton 'al' (rock)
Male first name (English): Irwin, Old High (Word format); heri = the army, the soldier wini = friend; old German two-part name