These are free, online New London County Histories and related resources for New London County, Connecticut.

Online New London County Histories:

• A Modern History of New London County, Connecticut, by Marshall, 1922, Volume 1
• A Modern History of New London County, Connecticut, by Marshall, 1922, Volume 2
• A Modern History of New London County, Connecticut, by Marshall, 1922, Volume 3
• History of New London, Connecticut from the first survey of the coast in 1612 to 1860 by Caulkins, 1895
• History of New London County, Connecticut: With Biographical Sketches … edited by Hurd, 1882
• The History of Eastern Connecticut, embracing the counties of Tolland, Windham, Middlesex, and New London, Volume I, 1932
• The History of Eastern Connecticut, embracing the counties of Tolland, Windham, Middlesex, and New London, Volume II, 1932
• The History of Eastern Connecticut, embracing the counties of Tolland, Windham, Middlesex, and New London, Volume III, 1931

Online local histories within New London County include:

Bozrah

• History of Bozrah, by Sweeney, Biship, and Avery, 1916
• Bozrah Volunteer Fire Company, Inc. 50 years of Fire History 1950-2000

Colchester

• Extracts from the Records of Colchester, with some Transcripts from the recording of Michaell Taintor of “Brainford” Connecticut, by Taintor, 1864
• An index to Taintor’s Colchester (Conn.) records, with genealogical matter alphabetically arranged for easy reference, by Blish, 1901

East Lyme

• East Lyme, our town and how it grew, by Chendali

Franklin

• Celebration of the one hundred and fiftieth anniversary of the primitive organization of the Congregational Church and Society, in Franklin, Connecticut, October 14th, 1868

Griswold

• Griswold-A history being a history of the Town of Griswold, Connecticut, by Phillips, 1929

Groton

• The Stone Records of Groton by Caulkins, 1903
• Groton Connecticut, 1705-1905, by Stark, 1922
• Historic Groton comprising Historic and Descriptive Sketches pertaining to Groton Heights, Center Groton, Poquonnoc Bridge, Noank, Mystic, and Old Mystic, Connecticut, by local writers

Lebanon

• The Lebanon War Office, …1891
• Early Lebanon, an Historical Address delivered in Lebanon, Connecticut…by Hine, 1880

Ledyard

• History of the Town of Ledyard, 1650-1900, by Avery, 1972

Lisbon

• Historical Sketch of Lisbon, Connecticut, from 1786 to 1900, by Bishop, 1903

Lyme

• The Champion Genealogy, a history of the descendants of Henry Champion of Saybrook and Lyme, Connecticut, Vol. 1, by Trowbridge, 1891
• The Champion Genealogy, a history of the descendants of Henry Champion of Saybrook and Lyme, Connecticut, Vol. 2, by Trowbridge, 1891
• Scoville family records, a preliminary brochure, Part 1, by Eastman, 1910
• Scoville family records, Part 2, Descendants of Arthur Scovil of Boston, Middletown, and Lyme, Connecticut, by Eastman, 1910
• Scoville family records, Part 3, Harwinton, Conn Branch, by Eastman, 1910

Montville

• History of Montville, Connecticut formerly the North Parish of New London from 1640 to 1896, by Baker, 1896
• The chief features of the present struggle: an address to the citizens of Montville, Conn., delivered in the Congregational Church, July 4th, 1861

New London

• History of New London, Connecticut from the first survey of the coast in 1612 to 1860 by Caulkins, 1895
•  The later history of the First Church of Christ, New London, Conn., by Blake, 1900
• The genealogy of the descendants of Lawrence and Mary Antisell of Norwich and Willington, Conn., including some records of Christopher Antisell of Sraduff, Birr (Kings co.) Ireland, by Wyman, 1908
• The narrative of Jonathan Rathbun, of the capture of Fort Griswold, the massacre that followed, and the burning of New London, Conn., September 6, 1781. With the narratives of Rufus Avery and Stephen Hempstead, eye witnesses, by Rathburn, 1911

North Stonington

• First Baptist Church North Stonington Connecticut…1936

Norwich

• The Norwich Jubilee, a report of the celebration of Norwich Connecticut on the Two-Hundredth anniversary of the settlement of the town…, by Stedman, 1859
• The Norwich memorial: the annals of Norwich, New London County, Connecticut, in the great rebellion of 1861-1865 by Malcolm, 1873
• Norwich: Early Homes and History, Tyler, 1906
• History of Norwich, Connecticut, from its settlement in 1660 to January 1845, by Caulkins, 1845
• History of Norwich Connecticut: From its possession by the Indians to the year 1866, ed 2, by Caulkins, 1866
• Norwich Connecticut, 1659-1909, 1909
• A Historical Discourse delivered in Norwich Connecticut, September 7, 1859, at the bicentennial celebration of the settlement of the town, by Gilman, 1859
• The Methodist Episcopal Churches of Norwich, Conn, by Clark, 1867
• The genealogy of the descendants of Lawrence and Mary Antisell of Norwich and Willington, Conn., including some records of Christopher Antisell of Sraduff, Birr (Kings co.) Ireland, by Wyman, 1908
• Vital Records of Norwich, 1659-1848, Part 1, 1913
• Vital Records of Norwich, 1659-1848, Part 2, 1913

Old Lyme

• A sermon preached in Old Lyme: on the twenty-fifth anniversary of his pastorate, July 1, 1866, by Brainerd, 1867

Preston

• The Bi-Centennial Celebration First Congregational Church of Preston Connecticut, 1698-1898, 1900
• Preston in Review, by Preston Historical Society, 1971
• Cemeteries and Burials in the town of Preston: including deceased veterans, Preston Historical Society, 1967
• The Story of Preston by Kalcicki
• Preston Early Homes and Families
• The Preston Genealogical Story, by Preston, 1963

Salem

• An authentic account of the persecutions and trials of the Rev. John Whittlesey, of Salem, Connecticut, Whittlesey, 1845

Sprague

Stonington

• History of the town of Stonington, county of New London, Connecticut, from its first settlement in 1649 to 1900, by Wheeler, 1900
• Stonington Battle Centennial, August 8,9, 10, 1914
• The Stonington Battle Centennial, a record of the celebration of August eighth, ninth, and tenth…, 1915
• Walter Palmer of Charlestown and Rehoboth, Massachusetts and Stonington, Connecticut: a 400 year (1585-1985) family history, by Buys, 1986
• The Defence of Stonington, Connecticut, against a British Squadron, August 9th to 12th, 1814, by Trumbull
• The Diary of Thomas Minor, Stonington, Connecticut, 1653 to 1684, by Minor, 1899
• Volume no. 1 of Palmer records. Proceedings, or memorial volume of the first Palmer family re-union held at Stonington, Conn., August 10 & 11, 1881, the ancestral home of Walter Palmer, the pilgrim of 1629. Being also a part of the genealogical, biographical, and historical records of the family, as contained in the several addresses, etc. delivered on the occasion of the re-union, by Palmer, 1881

Voluntown

• Voluntown, 250th Anniversary Souvenir Book, 1721-1971
• Descendants of James Hopkins and Jean Thompson of Voluntown, Conn., by Hopkins, 1917, pt 1
• Descendants of James Hopkins and Jean Thompson of Voluntown, Conn., by Hopkins, 1917, part 2

Waterford

• The History of Waterbury, Connecticut; the original township embracing present Waterford and Plymouth, and parts of Oxford, Wolcott, Middlebury, Prospect, and Naugatuck, with an appendix of biography, genealogy, and statistics, by Bronson, 1858