This artist is currently known solely from a description by Jackson in ‘The History of Silhouettes’. Wellington is described as an artist who cut in black paper, with detail in white, and painted in reddish brown on card. No dates or places of work are given, and no examples have yet come to light.
Source: McKechnie (Author of, British Silhouette Artists and their Work 1760-1860)
Wellington, W. (McKechnie Section 2)