The daughter of John Morison, shipowner. Tovey, in his researches for the 2002 Exhibition, 'Women Artists in Cornwall 1880-1940' at Penlee House, Penzance, records that Jessie was already an established artist, specialising in child studies, when she married the acclaimed painter William Holt Yates TITCOMB at St Ives on 4 Feb 1892. The one title exhibited in that exhibition was A Hymn to Pan (Private Collection), exhibited first at St Ives Show Day (1899) before going to the New Gallery and Derby. She repainted it in 1903 with a different background set in St Ives.