| 1902 | (11 January) Born in Louvier (Near Rouen, Normandy). |
1910 1918 | Attended Rouen Cathedral Choir School. And began to studied piano, organ and musical theory. |
| 1919 | Moved to Paris in order to study the organ with Charles Tournemire and Louis Vierne. |
| Acted as a assistant organist to Tournemire at Saint-Clotilde. |
| 1920 | Auditioned and joined Eugène Gigout's organ class at the Paris Concervatoire. |
| 1922 | Won the premier prix in organ ( Eugène Gigout's class). |
| 1924 | Won the premier prix in harmony (Jean Gallon's class). |
| Won the premier prix in counterpoint and fugue (Georges Caussade's class). |
| 1926 | Won the premier prix in accompaniment (César Abel Estyle's class). |
| 1928 | Won the premier prix in composition (Paul Dukas's class). |
| 1929 | Deputized for Vierne at the Cathedrale of Notre-Dame, Paris ( until 1931 ). |
| Won the first prize offered by "Les Amis de l'Orgue" for his organ performance and improvisation. |
| 1930 | He was appointed to be the titulaire organist of St-Étienne-du-Mont, Paris ( until 1975 ). |
| Won the first prize offered by "Les Amis de l'Orgue" for Prélude, Adagio et Choral Varié sur le Veni Creator op. 4 |
| 1936 | Won the Blumenthal Foundation Prize for Trois danses op. 6 |
| 1939 | ( June ) He gave the world première of Poulenc's Organ Concerto having advised Poulenc on the organ registrations at Salle Gaveau. |
| 1942 | Deputized for Marcel Dupré's organ class at the Paris Concervatoire. |
| 1943 | He was appointed to be professor of harmony at the Paris Concervatoire ( until 1969 ). |
| 1953 | Married Marie-Madeleine Chevalier (Maurice was 12 years older than she).
And Marie-Madeleine became co-titulaire at St-Étienne-du-Mont. |
| 1954 | At the request of Vierne's heir, Mme Madeleine Mallet-Richepin, he published Trois Improvisations by Louis Vierne having his reconstructed (Durand & Cie.). |
| 1956 | Honoured by the Department of the Seine who awardedteir Grand Prix Musical. |
| 1958 | Published Cinq Improvisations by Charles Tournemire having his reconstructed (Durand & Cie.). |
| 1959 | Gained Grand Prix du Disque (Academie Charles-Cross) for his Requiem Recording by his conducting (ERATO). |
| 1961 | Recieved Vatican citation of Commander in the Order of St. Gregory. |
| 1964 | His first recital tour in the United States. |
| 1966 | His second recital tour in the United States. |
| 1975 | ( May ) Because of a head-on car accident near Valence (Southern France), He and his wife suffered extensive injuries. |
1975 1986 | He was only particially to recover and seldom left his bed in apartment during 10 years. |
| 1986 | ( 16 June ) He died at the age of 84, having been in hospital for several months . |
| 1986 | ( 11 October ) His Requiem was performed at a memorial service. |
| 1989 | With Mme Duruflé, Duruflé festival held in New York City. |
1999 | ( 16 October ) Mme Marie-Madeleine Duruflé-Chevalier died. |
| 2000 | ( 22 January ) A memorial ceremony for the late Mme Duruflé was held in Paris at St-Étienne-du-Mont. |