Kato

The surname Kato is said to have been derived from “Mr. Fujiwara,” who once held great power.
Mr. Fujiwara, who had strong power, is said to have become more and more inconvenient as the number of people (descendants and relatives) who give their surnames increased, and new surnames with the letters “Fuji” were derived more and more.
As for the flow that Mr. Kato was able to create, first of all, a person named “Shoyo”, a child of Toshihito Fujiwara, became the ancestor of “Mr. Saito” who was derived from Mr. Fujiwara.
It is said that Kagasuke, a child of the royal family, became the name of Kagasuke and moved to Kaga.
It is said that Mr. Fujiwara, who moved to Kaga, was the origin of Mr. Kato.
Kato is the 10th most common Japanese surname.
> Japanese names in Kanji

Classificação por sobrenome (nome de família) no Japão.

Classificação	Sobrenome	número aproximado de pessoas
1º	Sato	1,853,000
2º	Suzuki	1,786,000
3º	Takahashi	1,399,000
4º	Tanaka	1,326,000
5º	Ito	1,065,000
6º	Watanabe	1,055,000
7º	Yamamoto	1,041,000
8º	Nakamura	1,037,000
9º	Kobayashi	1,021,000
10º	Kato	882,000
11º	Yoshida	823,000
12º	Yamada	808,000
13º	Sasaki	665,000
14º	Yamaguchi	638,000
15º	Matsumoto	622,000
16º	Inoue	610,000
17º	Kimura	571,000
18º	Hayashi	541,000
19º	Saito	538,000
20th	Shimizu	529,000