Although only starting to write poetry after the age of 50, Coungeau was a prolific writer whose work was widely published in Australian newspapers, and in four volumes of poetry published between 1914 and 1934.

[2] Coungeau's poem, "Love's Reverie", became a song, set to music by Percy Brier in 1913.

[3] In 1922 she wrote the libretto for Alfred Hill's romantic opera, Auster!.

[4] In 1935 Coungeau was awarded life membership of Society of British Authors, Playwrights and Composers.

[5] Coungeau married Naoum (Norman) Cougeau at the registry office in Richmond, Victoria on 21 February 1889.