This church was entered from rue de Chaillot, and was a simple chapel with a brick facade opening onto avenue Marceau.

[2] The former church hosted the funerals of Guy de Maupassant on 8 July 1893 and of Marcel Proust on 21 November 1922.

[3] The present building was designed by the architect Emile Bois (1875–1960) Construction begain in 1933 and was completed in 1938.

[7] The Maumejan brothers did the stained glass windows and also made the mosaic behind the altar in the crypt.

[9] The parish of the church includes the Apostolic Nuncio, the office of the permanent representative of th Vatican to France.

As a consequence, Monsignor Roncali, the future Pope John XXIII, was a frequent visitor to the church.

The most dramatic features of the nave include are the four grand frescoes by Nicholas Untersteller (1900–1967 painted on the arches and the pillars, made in a very original fashion.