Are the Uesugi siblings, Fūtarō and Raiha, named after the Japanese gods of wind and thunder, resp, Fūjin and Raijin?

Question

Their names are Fūtarō (Fuutarou) and Raiha. The gods are Fūjin and Raijin. Is there some Japanese article that possibly talks about this?

Answer 1

According to this, your guess seems to be correct.

名前の由来は風神雷神の雷神で、風太郎と対になっている。

(The origin of the name is Raijin from Fujin&Raijin, pairing with Futaro.)