For this Spencer Allan there are 3 different names on Yasni.
In the ranking of the most common first names Spencer Allan is on position 4588.
Male first name (English): Spencer, distribution of supplies; Old French (surname as first name); despensier = the distributor, from a Norman-French family name that goes back again on a job title and the job title means something like 'distribution of resources' for someone who manages a household food stocks
Male first name (German, English, Scottish): Allan, 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)