Kan has only one pronunciation. It has two purposes:
1, meaning hope.
2. As a surname.
Extended data:
There are three versions of the origin of Kan surname:
1, from the surname Jiang, taking the fief as the surname. During the Spring and Autumn Period, Dr. Qi was sealed in Kan (now southwest of Wenshang County, Shandong Province, and there was also the saying of Xintai Xinwen in Shandong Province), and the world called Kan, and Qi was then prime minister. Later generations took the feudal city as their surname, forming the Kan family.
2. From place names, from Kanyi, Lu in the Spring and Autumn Period. Kanyi, named after Juyi, is located on the bank of Chaiwen River (now Xintai Xinwen, Shandong). According to the history book "Examination of Surnames", Kan is a place name of Lu, that is, the place of ancient Kan mentioned in "First Origin".
3. It belongs to Chiyou. According to the Records of the Imperial Tombs, the tomb of Chiyou is seven feet high and located in Kanxiang Town, Shouzhang County, Dongping, so Chiyou is called Kanyou.
References:
Kan surname-Baidu encyclopedia