Finnick is of Scandinavian origin, derived from the Old Norse name Finnr and the element riki 'power'. This name was borne by legendary heroes in Norse mythology, including the Finnish epic poem Kalevala's main character, Väinämöinen. In recent years, it has gained popularity as a given name for boys, particularly in English-speaking countries. It is often associated with characters from popular culture, such as Finnick Odair from "The Hunger Games" series by Suzanne Collins, further contributing to its growing recognition.
It appears the popularity of the name Finnick has fluctuated over time, with a notable spike starting from 2016 and peaking in 2023.