About two thousand years ago, Osian was known as Upkesh Pattan (Umeshpur Patan) city, which was a metropolis and had eight suburbs around it.

1272 (1215 A.D.), along with Rao Siha, his Rajguru Sevad Rajpurohit Devpaldev came to Marwar from Kanoj and was given the Jagir of Tinwari.

His son Akheraj lived in the forests with Maharaja Ajit Singh for 22 years and bravely fought off the attacks of the enemies.

In 1949, due to the tireless efforts of social worker Ratanlal Joshi, rail lines were laid here and trains started running.

There is also another Jain temple outside the city; The ancient sculptures installed here and the skillful workmanship done on the stones are the heritage of archaeology.

Dada Bhagwan Sanskar Kendra, a grand religious and tourist center located on Balasar Road, outside the town, holds a special place in the whole of Rajasthan due to its specialties.

Geeta Dham, an international center of spirituality, was established in 1992 by Swami Harihar Maharaj.

Devotees from not only the country but also from abroad come here for the Phag festival and spiritual ceremony organized on the occasion of Holi in the month of Phalgun.