Tomo is of Japanese origin, derived from the word 'tomo' which means 'friend'. It's a unisex name, but it's more commonly used for males. The name Tomo gained popularity in Japan following World War II due to its association with the internationalization of Japanese culture.
Tomo saw a spike in popularity between 2003 and 2016, with twice as many babies named Tomo born in the latter year compared to the former. Overall, there were 12 children named Tomo born over this period.