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