For this Otto Alain there are 2 different names on Yasni.
In the ranking of the most common first names Otto Alain is on position 4589.
Male first name (German, English, French, Italian): Otto, Old High (became independent short), ot = the possession of wealth, heritage, became independent short form of names beginning with 'Ot-', such as Ottmar; in the Middle Ages popular as Name of German kings, dukes and earls
Male first name (French): Alain, 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)