1848 Address Unknown, Hallowell, Maine.
W. M. Thayer was recorded in one advertisement that appeared on September 23, 1848 in the Maine Cultivator and Hallowell Gazette (Hallowell, Maine). For One Dollar only! Daguerreotype Miniatures. W. M. Thayer would inform the Ladies and Gentlemen of Hallowell and vicinity that, owing to the liberal patronage he has received, he will keep his rooms open one week only.
Miniatures executed in superior style at the extreme low price of one dollar. Perfect satisfaction given in all cases.
W. M. Thayer is ot recorded in other photographic directories.