The diocese of Tanjore society was started in 1958 after the creation of the Diocese of Thanjavur in 1953. The society had started hospitals, dispensaries, colleges and orphanages in order to cater to the needs of the sick and needy. The society started the Our Lady of Health hospital in 1961 at Thanjavur. Our Lady of Health school of nursing was started in the year 2007 and college of nursing was started in the year 2008.