Gain (surname)

Gayen, Gain
Family name
Pronunciation	গায়েন (Ga-en)
Meaning	Bard
Region of origin	Bengal

Gayen, sometimes anglicised as Gain, is a surname of Bengali origin found in the Indian states of West Bengal and Assam, as well as in Bangladesh. In Bengali, the title Gayen (গায়েন) referred to anyone involved in the medieval bardic tradition, i.e. composition of Bengali poetry and music.

...
Wikipedia