The following information comes from a letter from Doris Diamond Royce to John Darby Bowman in 1961 based upon her research to date.

• Patrick Bryne came to Philadelphia from Ireland after his brother James. He subscribed funds frequently to St. Mary's Church and was a pew holder. In 1785 he lived on Front Street between Walnut and Spruce. From 1791 to 1805 he lived at 86 Front Street.
• Having acquired considerable amount of property both by his own industry and by inheritence from James, he retired from business in 1795 (age 61) and thereafter his name appears in the Directory as "Gentleman".
• His daughter Mary, born April 18, 1772, died August 14, 1807, married June 4, 1789 to Edward Carrell.
• In the first Philadelphia Directory he was listed. "Bryne, Patrick, Sign of Cock, Front between Walnut and Spruce". And in 1791 and 1794 as "Bryne, Patrick, Tavernkeeper, 86 South Front". Then in 1798 until his death in 1808, "Patrick Bryne, Gentleman, 86 South Front".
• Quotations from the Pennsylvania Magazine of History and Biography, Vol LVI No. 2 "Washington in Philadelphia", pg. 125: "There was another tavern in addition to the City Tavern which was the headquarters of the delegates which Washington visited frequently; and this was Bryne's, probably that of James Bryne whose tavern was on Market Street above Eleventh sight of the Reading Terminal. Washing refers to it as "in the fields", indicating it as in the suburbs, which proves it was not the house of Patrick Bryne who in 1785 had the "Sign of the Cock" on Front Street between Walnut and Spruce Streets, and before that on Second Street. His place was the scene of the early meetings for the merger of the American Philosophical Society and the American Society held in Philadelphia in 1768.
• "23 gentlemen met in 1785, February 11 to organize an Agricultural Society at the "Sign of the Cock", Patrick Bryne's Tavern on Front Street". Penn. Mag. Hist. and Biog., Vol 73, p. 469
• Quotation from the newspaper Dunlop's American Daily Advertiser, July 9, 1808: "Died, on Friday evening last, of an Apoplexy, Mr. Patrick Bryne, aged seventy four years, a native of Ireland, but resided in this city for about 40 years. Of him it may be justly said, he had not an enemy.

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