Can you read this? The rare surname "山清水" is not pronounced "yamakiyomizu".Can you read this? The rare surname "山清水" is not pronounced "yamakiyomizu".

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Learn unusual surnames

2026.9.3

Can you read this? The rare surname "山清水" is not pronounced "yamakiyomizu".

The Yamashimizu surname is rare and is mainly found in Kurohone-cho, Kiryu City, Gunma Prefecture. It is said to have originated from a family with roots in Echigo Province (present-day Niigata Prefecture), and their original surname was "Shimizu." An interesting history remains, suggesting that they later moved to Gunma Prefecture, where their surname changed.













According to legend, the turning point came when the family ventured deep into the mountains and discovered a spring of excellent quality water. The local lord, who highly valued this pure water, ordered them to add the character for "mountain" to their surname, "Shimizu," and call themselves "Yama-Shimizu." This anecdote, in which the blessings of nature are entrusted to the surname, is one of the rare origins among Japanese surnames.











Another reason this surname is rare is its limited distribution. While "Shimizu" is one of the most common surnames in Japan, "Yamashimizu" is found only in limited areas nationwide. Therefore, despite sharing the same roots as "Shimizu," it is known as a surname that has followed its own unique history.













Even today, many families with ties to the Kurohone-cho area of ​​Kiryu City, Gunma Prefecture, have inherited the family name along with the history of the region. The surname "Yamashimizu," which is a direct reflection of the blessings of nature—mountains and water—can be said to embody the profound depth of Japan's unique surname culture.















Mountain spring water = yamashimizu

 

 

"Yamashimizu" is a surname pronounced "yamashimizu." It is mainly found in Gunma Prefecture, and it is estimated that there are approximately 50 people with this surname nationwide.















What is “knowing unusual surnames”?
It is said that there are approximately 30 Japanese surnames, including different readings. We will introduce some of the most unusual surnames, their pronunciations and origins, as well as areas where they still exist in large numbers.

 

 











Reference books: Difficult to read surname dictionary by Masanori Shindo, Shonansha, 47 prefectures and surname encyclopedia, by Hiroshi Morioka, Maruzen Publishing

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