Although she continued to paint land and beach/seascapes, her work diversified from the that associated with the St Ives School to cover a variety of subjects; she frequently depicted figures of women and children set in interiors.
Venues at which she exhibited included the Royal Institute of Painters in Water-Colours, London,[10] the Goupil Gallery,[11] the New English Art Club,[12] White City Stadium[13] and at provincial shows.
She was a regular exhibitor at the Royal Academy of Arts each year (Willows, 1908;[14] The Song, 1909;[15] The White Room and The Sandpit, 1910;[16][17] The Window and The Morning Drive, 1911;[18] The Ballet Master, 1912;[19] Midsummer, Under the Cliffs and Silver and Green, 1913;[20][21] Enchantment, 1914;[22] The Breakfast Table and Nannie, Bessie and John, 1916;[23] The Road Across the Downs and Afternoon Sunshine, 1917).
Fearon's paintings at the 1917 RA exhibition, both figures-in-landscape paintings described by one critic as "things seen and felt"[24] (Afternoon Sunshine depicted two children playing with a goat in the sunshine against a background of rocks; The Road Across the Downs showed a lady in a cart, on a white road over the downs) were said by The Gentlewoman's art correspondent to be "very delightful" and to sustain the artist's growing reputation.
At the time of her death, Fearon was living with Talmage at 22 Jouberts Mansions, Jubilee Place, off the Kings Road in Chelsea.