Miss Denison of Stonington, Connecticut (possibly Matilda Denison)
overall: 87.7 x 68.7 cm (34 1/2 x 27 1/16 in.)  framed: 102.9 x 84.1 x 4.3 cm (40 1/2 x 33 1/8 x 1 11/16 in.)

About The Denison Limner (Probably Joseph Steward)