For this Alan Sebastián there are 2 different names on Yasni.
In the ranking of the most common first names Alan Sebastián 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 (Spanish): Sebastian, the man from Sebaste, Ancient Greek (Geographic name as first name); Sebastos = lofty, dignified, commanding, by the name 'Sebastiano', which goes back to the name of the Greek city 'Sebaste' in Asia Minor, and the Name the city was based on Latin 'Augustus' sublime', named in honor of a Roman Emperor