A careful introduction to Reiki's Japanese beginnings and the people who helped its teaching travel.
A practice carried by people
Reiki's history is a story of people learning, teaching, and making a practice understandable in new settings. Mikao Usui is the common reference point for the traditions discussed here. He lived from 1865 to 1926. His name is often followed by sensei, a respectful Japanese term used for a teacher. You do not need to memorize every name or date. The useful starting point is a sequence: Usui's teaching in Japan, Hayashi's work with students, and Takata's part in transmission beyond Japan.
The sequence also helps us avoid imagining that every Reiki class everywhere has always looked the same. A practice can retain a connection to earlier teachers while changing its language, lesson structure, and emphasis. Think of something you learned from an older relative: what you pass on may preserve their care and skill while using examples that make sense to someone living a different life.
1922: teaching in Tokyo
The Japanese Gendai Reiki Network identifies 1922 as the year Usui established the Usui Reiki Ryoho Gakkai in Tokyo. The name refers to a society associated with his Reiki method. An attributed translation of Usui's 1927 memorial, hosted by the International Center for Reiki Training, describes public teaching and treatment in Tokyo beginning in April 1922. Together, these accounts place organized teaching in a particular time and place, rather than in a distant, undated past.
The memorial also remembers the five precepts and recounts spiritual practice on Mount Kurama. Many traditions understand the mountain account as an awakening central to Usui's teaching. Here we identify it as a spiritual account, not an independently demonstrated healing mechanism. The memorial is a valuable early commemorative source, but honoring a teacher is different from conducting a neutral investigation.
After Usui: Hayashi and teaching materials
Usui died in 1926. His teaching continued through students and communities, rather than through a single universal school. Chujiro Hayashi was one important teacher in that development. The International Center for Reiki Training describes him running a school and clinic in Tokyo. Historical commentary by researcher Justin Stein, accompanying the Grey Book collection, discusses Hayashi's teaching association in Tokyo and a therapy guide he supplied to students. That guide recorded hand positions associated with different conditions; its existence shows how instruction was organized, not that its treatment claims were medically established.
This helps us picture a teaching environment with lessons, written materials, and people learning practical procedures. It also gives us a more useful question than whether every modern class is identical to an original class: which parts of a teacher's approach come from identifiable materials, and which are later explanations? The answer may vary across communities.
1935–1938: Takata and Hawaii
The Grey Book reproduces Hawayo Takata's notes from training with Hayashi in Japan in 1935–1936. Her certificate, signed by Hayashi in Honolulu on 21 February 1938, recognizes her authority to teach within his system. This is a concrete document connecting a student, a teacher, Japan, and Hawaii. Stein's commentary also discusses photographs of Hayashi and Takata in Honolulu and a public demonstration there.
Takata later taught students in Hawaii and the mainland United States, as described in Gendai Reiki Network's history. Her teaching became an important route through which Reiki reached people beyond Japan. Passing on a practice involved more than travel: unfamiliar words and ideas needed explanation. The surviving materials let us see teaching across languages as part of Reiki's history, rather than assuming that translation is a recent complication.
More than one continuing stream
A different Hayashi connection appears in the Jikiden tradition. Teacher Masaki Nishina describes Chiyoko Yamaguchi learning from Hayashi in 1938 and later working with her son Tadao to gather family notes, photographs, and memories. Their work led to the establishment of Jikiden Reiki in 1999. This is a lineage account: it tells us how that community describes the transmission it values.
You now have a simple historical map, with room for uncertainty. Usui's Tokyo teaching, Hayashi's instruction, Takata's Hawaii connection, and the Yamaguchi family's work show people carrying Reiki through different relationships and settings. The optional comparison explores those differences further. Next, we turn to the five principles: short reminders you can consider in ordinary life without settling every historical question first.
Sources and further reading
- Gendai Reiki Network: What is Reiki? — A Japanese Reiki organization's own history and spiritual interpretation; cited as a lineage account, not independent confirmation of its health claims.
- International Center for Reiki Training: What is the History of Reiki? — Hosts an attributed English translation of the 1927 Usui memorial. The commemorative text contains beliefs and healing claims that this lesson does not endorse.
- The Grey Book and Reiki History — Historical commentary on reproduced primary materials, including Hayashi's February 1938 certificate for Hawayo Takata.
- Masaki Nishina: Jikiden Reiki History — A Jikiden teacher's account of Chiyoko and Tadao Yamaguchi's teaching history; used as a tradition's self-description.
- Takata's Master Certificate: reproduced primary document — Certificate signed by Hayashi in Honolulu on 21 February 1938; supports teaching authorization and the Japan–Hawaii connection, not medical efficacy.