According to research by "Leonard J. McCown" :
CHRISTENING: Roman Catholic Church Records, St. Augustine Parish Church, Florida, White Baptisms V, 1839-1861, page 364, entry 538. James Proxedes Canovas, born 21 July 1848. Baptized 29 July 1848. Legitimate son of Juan Canova and Tomasa Noda. God Parents: James Pons and Geronima Salas. Priest: Edmond Simon Aubril.
CENSUS: According to October 14, 1850 census data in the City of Saint Augustine (taken by Geo. J. Zehnbauer) Reel #M432-59, page 203b, his name does not appear in the family and is assumed to have died prior to this date.