John A. O'Neill
1837-1892
Person TypeIndividual
American, 1818 - 1871
Plan Your Visit
CalendarThings to DoWhere to EatHours & DirectionsFrequently Asked QuestionsAccessibilityGroup ReservationsWashington, D.C. Metro Area
Plan Your Visit
Discover the Home of George and Martha Washington
Discover the Home of George and Martha Washington
Open 365 days a year, Mount Vernon is located just 15 miles south of Washington DC.
The Estate
The Estate
There's So Much to See
There's So Much to See
From the mansion to lush gardens and grounds, intriguing museum galleries, immersive programs, and the distillery and gristmill. Spend the day with us!
George Washington
YouthFrench & Indian WarRevolutionary WarConstitutionFirst PresidentMartha WashingtonSlaveryNative AmericansReligionFamily
George Washington
Farmer, Soldier, Statesman, and Husband
Farmer, Soldier, Statesman, and Husband
Discover what made Washington "first in war, first in peace and first in the hearts of his countrymen".
Preservation
Preservation
Did You Know?
Did You Know?
The Mount Vernon Ladies Association has been maintaining the Mount Vernon Estate since they acquired it from the Washington family in 1858.
Education
Teachers
Ace Your American History Class
Ace Your American History Class
Need help with homework? Our Digital Encyclopedia has all of the answers students and teachers need.
Washington Library
Washington Library
The Library of the First President
The Library of the First President
The Washington Library is open to all researchers and scholars, by appointment only.
