Harman Blennerhassett
A Register of His Papers in the Library of Congress
Prepared by Nancy L. Hayden Revised by Patrick
Kerwin

Manuscript Division,
Library of Congress
Washington, D.C.
2002
Contact information:
http://lcweb.loc.gov/rr/mss/address.html
Finding aid encoded by Library of Congress Manuscript Division,
2007
Finding aid URL: http://hdl.loc.gov/loc.mss/eadmss.ms007010
Title: Papers of Harman
Blennerhassett
Span Dates: 1755-1866 ID No.: MSS50633 Creator:
Blennerhassett, Harman,
1765-1831 Extent: 500
items;
3 containers;
1.2 linear feet;
3 microfilm reels
Language: Collection material in
English
Repository:
Manuscript Division, Library of
Congress,
Washington, D.C. Abstract: Lawyer, planter, and
scholar. Correspondence, journals, articles for the Ohio Gazette, memoirs, and
legal and financial papers, chiefly 1795-1831, relating, in part, to the trial
of Aaron Burr for treason, the indictment of Blennerhassett for conspiracy with
Burr, and the subsequent misfortunes experienced by the Blennerhassett family.
Includes MS. volume attributed to Harman Blennerhassett (1801-1854).
The following terms have been used to index the description of this
collection in the Library's online catalog. They are grouped by name of person
or organization, by subject or location, and by occupation and listed
alphabetically therein.
Names: Blennerhassett, Harman,
1765-1831 Anglesey,
Henry William Paget, Marquis of, 1768-1854--Correspondence Blennerhasset, Dominic, b. 1799--Correspondence Blennerhassett, Joseph Lewis--Correspondence Blennerhassett, Margaret, ca. 1778-1842--Correspondence Burr,
Aaron, 1756-1836--Trials, litigation, etc. Clay,
Henry, 1777-1852--Correspondence Cox,
Nathaniel--Correspondence Emmet,
Robert, 1792-1873--Correspondence Langley,
John--Correspondence Lewis,
Joseph S.--Correspondence Lewis,
Mordecai, 1748-1799--Correspondence Mullins,
Thomas--Correspondence Nolte,
Vincent, 1779-1856--Correspondence Peel,
Robert, Sir, 1788-1850--Correspondence Tyndall,
Joseph--Correspondence Wheatley,
Richard S.--Correspondence Woodbridge, D. (Dudley)--Correspondence Blennerhassett family Blennerhassett, Harman,
1801-1854. Manuscript volume of Harman Blennerhassett
Subjects: American newspapers--Ohio Trials (Treason)
Occupations: Lawyers Plantation
owners Scholars
Provenance: The papers of Harman Blennerhassett (1765-1831), lawyer, planter, and
scholar, were purchased by the Library of Congress in 1900.
Processing History:The papers of Harman Blennerhassett were arranged and described by
Nancy L. Hayden prior to microfilming by the Library of Congress
Photoduplication Service in 1973. The finding aid was revised by Patrick Kerwin
in 2001.
Copyright Status:The status of copyright in the unpublished writings of Harman
Blennerhassett is governed by the Copyright Law of the United States (Title 17,
U.S.C.).
Microfilm:A microfilm edition of these papers is available on three reels for
purchase from the Library's Photoduplication Service subject to the Copyright
Law of the United States (Title 17, U.S.C.). This microfilm edition may also be
requested on interlibrary loan through the Library's Loan Division.
Preferred Citation:Researchers wishing to cite this collection should include the
following information: Container number, Harman Blennerhassett Papers,
Manuscript Division, Library of Congress, Washington, D.C.
| Date |
Event |
| 1765, Oct. 8 |
Born, Hampshire, England |
| 1790 |
Admitted to bar in Ireland |
| 1790-1796 |
Traveled in Europe |
| 1796 |
Married Margaret Agnew |
| 1798 |
Established residence on Backus Island, Wood Co., Va., later
the center of Aaron Burr's activities
|
| 1805 |
First encounter with Aaron Burr, Marietta, Ohio |
| 1805-1806 |
With Aaron Burr, developed conspiracy to separate western
states from the Union and to invade Mexico
|
| 1807 |
Indicted for treason in Richmond, Va., but released after
failure to convict Aaron Burr on a count of nolle
prosequi |
| 1810-1816 |
Cotton planter in Louisiana |
| 1819-1822 |
Practiced law, Montreal, Canada |
| 1831, Feb. 2 |
Died on the Isle of Guernsey, England |
The papers of Harman Blennerhassett (1765-1831) span the years
1755-1866 and consist of journals, business and family correspondence, legal
and financial papers, and miscellaneous material. The trial of Aaron Burr for
treason, the indictment of Blennerhassett for conspiracy with him, and the
subsequent misfortunes experienced by the Blennerhassett family are revealed in
Blennerhassett's three-volume journal, 20 July-20 Nov. 1807, his correspondence
with his wife, Margaret Agnew Blennerhassett (died 1842), and a manuscript
volume attributed to his son, Harman Blennerhassett (1801-1854).
Other correspondents include Henry William Paget, the Marquis of
Anglesey, Dominic Blennerhassett (born 1799), Joseph Lewis Blennerhassett,
Henry Clay, Nathaniel Cox, Robert Emmet, John Langley, Joseph S. Lewis,
Mordecai Lewis, Thomas Mullins, Vincent Nolte, Sir Robert Peel, Joseph Tyndall,
Richard S. Wheatly, and Dudley Woodbridge.
A microfilm of the Blennerhassett Papers is located at the Ohio
Historical Society in Columbus. A collection of Blennerhassett Family Papers is
also located at the Campus Martius State Museum, Marietta, Ohio.
This collection is arranged by type of material.
Available on microfilm. Shelf no. 15,903
| Container |
Contents |
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BOX 1 REEL 1
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Journal,
1807, 20 July-20 Nov.
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(3 vols.)
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BOX 1 REEL 1
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Journal entitled "Account of a
Voyage down the Ohio and Mississippi,"
1807
|
|
BOX 1 REEL 1
|
Correspondence |
|
BOX 1 REEL 1
|
1795-1820
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(4
folders)
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BOX 2 REEL 2
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1822-1866
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(4
folders)
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BOX 2 REEL 2
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Legal and financial papers,
1755-1862
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(3
folders)
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BOX 3 REEL 3
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Miscellany |
|
BOX 3 REEL 3
|
Legal brief on behalf of
Blennerhassett,
1807
|
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BOX 3 REEL 3
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Manuscript and printed matter
relating to charges against Aaron Burr and Blennerhassett,
1806-1807, 1831
|
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BOX 3 REEL 3
|
“Memoir on the Views and
Capacities of the United States,”
1822
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BOX 3 REEL 3
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Volume attributed to Harman
Blennerhassett (1801-1854),
n.d.
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BOX 3 REEL 3
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“Querist,” (pseudonym for
Blennerhassett) material and other writings,
1804-1806, 1861
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BOX 3 REEL 3
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St. Paul’s Masonic Lodge;
diploma; list of correspondence; fragments, .
1809-1822, n.d
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