Toraji Ishikawa was born in Kochi. He studied art with Koyama Shotaro. In 1902 the young artist traveled through the United States and Europe for two years.
Back in Japan, Toraji Ishikawa founded Taiheiyogakai, an artist association of Western style painters. He exhibited in all major Japanese art shows since the 1920s. In 1923 he contributed to the supplement of Dai Chikamatsu Zenshu