[2] In 1985, at the age of 19, she represented her native country Ireland in the Eurovision Song Contest under the name Maria Christian in which she sang "Wait Until The Weekend Comes" written by Brendan Graham.

[7] During The Voice France, she sang the Irish traditional song "Danny Boy" accompanied by all her children for the blind auditions, then "You Raise Me Up" from Secret Garden (Battles) and "Memory" from Barbra Streisand (knock-outs).

[7] She made it to the semi-finals where sang Edith Piaf’s "Hymne à l'amour" accompanied by her two eldest children: Emmanuel on the piano and Shannon on the violin.

[8] She is also a lecturer; she participated in a TEDx talk in particular, which was the starting point for an autobiographical work, "On ne voit bien qu’avec le cœur" (One Can Only Truly See with the Heart) published by Plon under the name Maria Doyle.

In 2024, she was invited at a reception in her honor at Áras an Uachtaráin in Ireland and became the first French woman to receive the Presidential Distinguished Service Award from the Irish President.