His name was Yu, his azana (Chinese courtesy name which was, historically, the name formerly given to adult Chinese men, used in place of their given name in formal situations; scholars and the literati of Japan adopted this custom of courtesy name) was Kotetsu, his common name was Tadakura, and other than Hokkai as his go (pen name), he had Komatsukan which was also the name of his house.
名前を猷、字は孝秩、通称を忠蔵、号は北海の他に堂号でもある孤松館がある。