Tanesa is of Slavic origin, specifically from the region around Poland and Russia. It is a feminine given name that derives from the Greek name 'Theodosia', which means "gift of God". The name Tanesa was quite popular during the Middle Ages in Eastern Europe but has since become less common.
Tanesa had a popular decade in the 70s with consistent births each year, peaking at eight in 1974. The name's popularity began to decline in the late 70s and early 80s, with fewer than seven births per year until it stabilized again around five births annually from 1990 onwards. Overall, Tanesa had 60 recorded births over these years.