GUARDIANE ADORATRICI DELL'EUCARISTIA, called SOEURS DE SAINT-AIGNAN. – A women’s religious institute, founded in 1853 by Msgr. Dupanloup, bishop of Orléans. On 15 November 1892 it received the decree of praise, and on 15 March 1897 the decree of approval.
The constitutions, approved experimentally in 1901 and definitively on 28 August 1908, were confirmed in accordance with the Code and approved in 1924.
The special purpose of the Institute is the adoration of the Most Holy Eucharist; but the sisters also engage in education

In 1947 the sisters numbered 140, distributed among 8 houses.