Looking to conduct genealogical research? 

Trumbull County Genealogical Resources:

1. Trumbull County OHGenWeb Project: Offers a wealth of genealogical and historical information specific to Trumbull County, including census records, maps, and local resources.
   trumbull.ohgenweb.org

2. Trumbull County Archives & Records Center: Provides access to historical records, including birth, death, marriage, and probate records. They also have designated researchers available at (330) 675-6615.
   Trumbull Archives

3. Warren-Trumbull County Public Library – Local History & Genealogy Center: Houses a dedicated genealogy room with extensive local history materials and genealogical records. They also have designated researchers available. The Local History & Genealogy also operates the online archive Trumbull Memory Project, which houses photographs, postcards, documents, and illustrations relating to Trumbull County.

4. Trumbull County Historical Society: Explore over 20,000 searchable archives, including letters, documents, ledgers, scrapbooks, and photographs, through the Trumbull County Historical Society's online collection. They also have designated researchers available at (330) 394-4653. 

CatalogIt

5. Sutliff Museum: Offers archives and artifacts from the Victorian era, including a range of local Trumbull County materials. It also emphasizes the history of the Underground Railroad and the Anti-Slavery movement in Trumbull County.

CatalogIt 

Ohio Statewide Genealogical Resources:

1. Ohio Genealogical Society (OGS): The largest state genealogical society in the U.S., OGS provides access to a vast array of resources, including databases, publications, and educational opportunities.
   OGS

2. OHGenWeb: Part of the USGenWeb Project, this site offers free online genealogical and historical information for all 88 Ohio counties.
   OHGenWeb

3. Ohio History Connection: Formerly the Ohio Historical Society, it offers access to archives, libraries, and a variety of historical records pertinent to genealogical research.

OHC

4. FamilySearch – Ohio Genealogy: Provides access to a wide range of Ohio-specific genealogical records and resources.
   FamilySearch

National Genealogical Resources:

1. National Archives and Records Administration (NARA): Holds federal records that can be invaluable for genealogical research, including census, military, and immigration records.

NARA

2. Library of Congress – Local History and Genealogy Reading Room: Offers an extensive collection of U.S. and foreign genealogical and local historical publications.

LC Catalog

3. Ancestry.com: A subscription-based service providing access to a vast array of genealogical records, including those specific to Ohio and Trumbull County.
   Ancestry

4. FamilySearch: A free service provided by The Church of Jesus Christ of Latter-day Saints, offering access to a vast collection of genealogical records worldwide.

FamilySearch