Joseph Sinnott Mansion

Joseph Sinnott Mansion
Main Building at Rosemont College in December 2006
LocationMontgomery and Wendover Aves., Rosemont, Pennsylvania, U.S.
Coordinates40°2′0″N 75°19′46″W / 40.03333°N 75.32944°W / 40.03333; -75.32944
Area0.8 acres (0.32 ha)
Built1889-1891
ArchitectSamuel Huckel Jr.
Architectural styleRenaissance, Chateauesque
NRHP reference No.80003582
Added to NRHPAugust 29, 1980

The Joseph Sinnott Mansion, also known in Gaelic as "Rathalla," meaning "home of the chieftain on the highest hill" is the Main Building at Rosemont College. The historic home is located on the campus in Rosemont, Pennsylvania, which was originally a part of the Ashbridge estate, and was called 'Rosemont Farm'.