[1] His years as daimyō saw the development of han finances, with the arrival of Ōmi merchants (近江商人), the establishment of a gold dust emporium, and the conferral of trading rights on his senior retainers.

[3][4][5] These years were also marked by the development of the town below Matsumae Castle, extending down to the sea and supplanting the earlier centre to the north around Ōdate and the temple district.

[2] In the third month of 1637, the predecessor of today's Matsumae Castle went up in flames, with the loss of innumerable family treasures and documents, and Kinhiro himself hurt; it was rebuilt two years later.

[4] Turning a blind eye nevertheless to the large number of fleeing Kakure Kirishitan who came for refuge and to work in the gold-mining operations, in 1639 he complied more fully, executing one hundred and six, according to the official clan documents known as Fukuyama Hifu (福山秘府).

[1] He is buried at Hōdō-ji (法憧寺), in Matsumae, and was succeeded by his second son Ujihiro, his original heir Kanehiro having died at the age of ten in a smallpox outbreak that swept the island in 1624.