December 26, 1865, St. Peter Port, Guernsey, Channel Islands.
December 7, 1927, Hull, England.
Jamouneau came from a Huguenot line in the Poitou region of France. In 1897, he married Eva Mawer in Louth, Lincolnshire; at the time, he was listed as a Professor of Music in Kingston upon Hull. Jamouneau established himself as a publisher and composer, putting out over 150 works, from hymns to a full opera.