1830 January 0
The anti-Masonic, anti-Jackson councils elected Mathew B. Lowrie mayor.

1830 January 0
Population: Pittsburgh, 12,568; Allegheny, 2801 citizens, eight slaves; Allegheny County, 50,552.

1830 March 0
Natural gas was discovered in Saw Mill Run at depth of 627 feet.

1831 January 0
David G. Blythe, the artist, arrived in the city to study wood carving.

1831 January 0
John H. Mellor established on Wood Street a firm said to be the first piano house in America.

1831 January 12
Pittsburgh Times began publication.

1831 July 1
First steam ferry began operating at the foot of Penn Street. Duquesne Grays, a citizens' militia, was organized.

1832 January 0
John M. Roberts and Son opened a jewelry and watchmaking establishment at Fifth Avenue and Market.

1832 January 0
Samuel Pettigrew was chosen mayor.

1832 January 0
The Farmer's Deposit National Bank of Pittsburgh began business as the Pittsburgh Savings Fund Company.

1832 February 10
Flood waters reached a level of 38.2 feet at the Point.

1832 April 5
Orphan Society of Pittsburgh and Allegheny, the present Protestant Home for Children and the oldest institution of its kind in Pennsylvania, was founded. It was incorporated in 1834.

1833 January 0
St. Paul's Roman Catholic Church was dedicated. It was consecrated the sect's first cathedral in the city on August 7,1843.

1833 July 4
Daniel Webster visited.

1833 July 30
The gazette, under management of John I. Scull and Morgan Neville, became a daily paper.