Laurent Menager was born 1835 in Luxemburg-Pfaffenthal. He was the oldest of 6 siblings. After completing initial music instruction in Luxemburg, he continued his studies at the ''Conservatorium der Musik in Coeln'' (now the Cologne University of Music) in Cologne, Germany. Subsequently he found employment as a music teacher and organist in Luxemburg.
Laurent Menager was a renowned Luxembourgian musician and composer. He found the ''Allgemeinen luxemburgischen Musikverein'' (known today as the ''Union Grand-Duc Adolphe''-UGDA).