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

Rangfolge nach Nachnamen (Familiennamen) in Japan.

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