由緒
流祖は足利時代末期、永禄年間の奥州の住人林崎甚助源重信である。亡父の敵を討たんとして、林崎明神に祈願し、居合の妙理を悟り林崎夢想流と称し敵討ちを果たした。 此の流派は重信流とも称し、以来幾多の分流を生み、中でも第7代 長谷川主税助英信は古伝の技に独創を加え、其の術が、精妙であった事から長谷川英信流とも呼ばれ、また無雙直傳英信流とも称せられた。 延宝2年 第9代林六太夫安政が土佐藩に仕え、英信流は土佐に流布した。 以降土佐藩はこれを門外不出の流儀として庇護し、傳承してきた。 第17代大江正路子敬が武道の衰退を憂慮し、全国に当流を流布、教伝に努力した。 土佐藩主の流れを汲む第18代山内豊健は(居合詳説)を発刊、第19代河野兼光は東京都豊島区に明武館を創設、第20代尾上政美これを継承、関口高明が第21代を継ぐ。

History
The founder of our art, Hayashizaki Jinsuke Minamoto Shigenobu, lived in Oushu (currently Miyagi, Aomori, Fukushima and part of Akita prefecture) during the Ashikaga period. He sought revenge in the name of his father and he prayed at the Hayashizaki Myojin shrine for this to be true. He trained relentlessly and his final enlightenment was the miraculous realization of Iai Jutsu. His technique became known as Shigenobu style. Over the following generations new styles emerged and blended as the heritage style began taking shape.

The evolution of the art was especially notable in the 7th generation, when Hasegawa Mondonosuke Eishin made his contribution to the existing heritage style. His Hasegawa Eishin Ryu was significant and its infusion resulted in Muso Jikiden Eishin Ryu. In 1674 - Enpou 2, the 9th generation, Hayashi Roku Dayu Yasumasa established Eishin Ryu as the house style of the Tosa Domain. The Tosa Domain kept his technique a closely guarded secret, confining the knowledge to succeeding generations of Tosa Samurai.

The 17th generation, Ooe Masamichikei, concerned that Budo was being diminished, opened the gates to share the secrets of Eishin Ryu more widely. The 18th generation, Yamauchi Toyotake, a descendant of the Tosa Domain, published 'Iai Shousetsu' formalizing some of the knowledge in writing for the first time. The 19th generation, Kono Kanemitsu, founded Meibukan dojo in Toshima-ku, Tokyo. The 20th generation, Onoe Masamitsu, inherited Meibukan and passed the cumulative knowledge of Muso Jikiden Eishin Ryu Iai Jutsu to the 21st generation, Sekiguchi Komei.