Trennis is of Latin origin and means 'rush'. It's a unique, unisex name that's not commonly heard, making it quite distinctive. The name has a modern and energetic feel to it, which could suit someone who is active and dynamic.
"Trennis had a notable surge in popularity among parents in the late 20th century, with five births recorded each in 1978, 1988, and 1990. The name's usage then dipped until it resurged in 2015 with another five births. Overall, there have been 27 babies named Trennis since 1972."