1850 Address Unknown, [Boston], Massachusetts. 1851 247 Washington Street, Boston, Massachusetts. 1851-1852 36 Washington Street, Boston, Massachusetts. 1852-1854 in San Francisco, California. 1853 Address Unknown, Boston, Massachusetts. 1854 103 Washington Street, Boston, Massachusetts. 1854-1856 in New York City. 1855 158 Bowery, New York, New York. 1857 Lower Great George Street, Charlottetown, Prince Edward Island, Canada. 1859-1862 in San Francisco, California.
Peter G. Clark first appeared in the Massachusetts Charitable Mechanic Association Report for September 1850. He exhibited daguerreotypes at the sixth exhibition of the Massachusetts Charitable Mechanic Association, no award was given.
Reported on December 20, 1851 in The Carpet Bag (Boston, Massachusetts). A Present.—We have received from the artist, Mr. P. G. Clark, No. 247 Washington street, an elegant and faithful likeness of Mrs. H. M. Stephens, of this city, and we take pleasure in exhibiting the treasure to our many visitors. [We have an adjourned promise of the transcript of another fair face from the East—“down east,”—when the “sometimes operator” shall get back.] Of course we are proud of it, and of course we thank the donor, and commend him to the notice of that public which always patronizes those who favor the printers.
Reported in the September 1853 report of the Massachusetts Charitable Mechanic Association. Peter G. Clark exhibited daguerreotypes at the sixth exhibition of the Massachusetts Charitable Mechanic Association. Award a bronze medal for daguerreotype views of California.
Reported in an advertisement on December 22, 1855 in the New York Daily Tribune (New York, New York). Handsome Ladies!—Pictures Taken Gratis!—The time fixed for the opening of Barnum’s Gallery Of Beauty has been extended for a short period $20,000 will be expended in Premiums to the 100 handsomest Ladies and for painting their portraits. Highest prize $1,000. For particulars see circulars at the Museum. Daguerreotypes for this Gallery will be taken free of all expense to the sitter, if application be made to them immediately, by all the principal artists in the United States, including the following superior Daguerreotypist in the City of New York.
J. Gurney, No. 489 Broadway; M. M. Lawrence, No. 831 Broadway; S. Root, No. 363 Broadway; Meade Brothers, No. 233 Broadway; R. Anson, No. 589 Broadway; Beckers & Piard, No. 264 Broadway; M. H. Kimball, No. 407 Broadway; J. W. Thompson, No. 315 Broadway, and 182 Fulton-st, Brooklyn; M. Kerston, No. 421 Broadway, cor. of canal; P. Welling, Cor. of Bleecker and Carmine-sts; P. G. Clark, No. 156 Bowery; Jullus Brill, No. 204 Chatham-st; R. A. Lewis, No. 142 Chatham Square.
Peter G. Clark is known see the following publications for more information Pioneer Photographers of the Far West, A Biographical Dictionary 1840-1865, Craig’s Daguerreian Registry, A Directory of Massachusetts Photographers 1839-1900.
The new Information, is the fact that he showed at the Massachusetts Charitable Mechanic Association in 1850 and in 1853, the advertisement in the Carpet Bag newspaper with the 247 Washington Street address, and the December 22, 1855 New York Daily Tribune advertisement with address of 156 Bowery, New York.
 Massachusetts Charitable Mechanic Association records, 1850 & 1853.  The Carpet Bag (newspaper).  Directory of Massachusetts Photographers 1839-1900.  Pioneer Photographers of the Far West.  New York Daily Tribune (newspaper).