Some genealogists are masters for certain surnames. Contact the Cayuga County NYGenWeb Coordinator if you want to be added to this list. This list was thoroughly updated in 2025.
| Surname | Specificity | Contact Name & Email |
| ALDRICH | Bill Cornell | |
| ALLYN | Sempronius, 1794-1820 | Emily |
| ARMSTRONG | Genoa, Venice, 1840-1900 | Jessica Armstrong |
| ARUNDEL | Auburn | Kate Arundell |
| BABCOCK | Chuck Samson | |
| BABCOCK | Scipio, 1810-1850 | Phil Gates |
| BAKER | Sterling, 1800-1890 | Lynn |
| BARNES | Liz Cornish | |
| BARRETT | Auburn, 1840s- | Karen McAndrew |
| BARTLETT | 1793-1865 | Deborah Martin-Plugh |
| BARTLETT | Auburn, Brutus, Genoa, 1796-1850s | Kathi & Dennis McCarthy |
| BATEMAN | Fleming, Wise Corners, 1790-1830 | Robert Grover |
| BIRCH | Scipio, 1744-1822 | Phil Gates |
| BOARDMAN | Fleming, Grover Settlement, 1806-1808 | Robert Grover |
| BODINE | Owasco, Niles, 1820- | Jessica Armstrong |
| BONKER | Kathy Decker | |
| BOWKER | Summerhill, Lansing, Ulster County, 1810-1940 | Deborah Martin-Plugh |
| BURNS | Sterling, 1830s | Barbara |
| BUSHMAN | Milton, Scipio, 1769-1855 | Judy Bushman Card |
| BUTLER | Scipio, -1816 | Mary Butler Tarver |
| CADY | Fleming, Grover Settlement 1790-1830 | Robert Grover |
| CARBERRY | Karen McAndrew | |
| CARD | Scipio | Judy Bushman Card |
| CARHART | Auburn | Tina Saxby |
| CASE | Summerhill, Genoa, Lansing 1810-1960 | Deborah Martin-Plugh |
| CASE | Fleming, Grover Settlement 1806-1808 | Robert Grover |
| CATALFANO | Auburn, 1890- | Greg Garbinsky |
| CLARK | Springport, Aurelius, Scipio 1800 – 1850 | Liz Cornish |
| COLE | 1800s | Diane Van Kampen Chestelson |
| COOK / COOKE | Aurelius, 1820-1850 | M.M. Morrow |
| COOPER | Sue Ann Brenchley | |
| COPP | Brutus, 1800s | Kathleen C. Black |
| CORNELL | Union Springs, Ithaca | Bill Cornell |
| CORWIN | Sue Ann Brenchley | |
| CROCKETT | Sterling, 1850s- | Sue Ann Brenchley |
| CULVER | Sterling, 1850 | Dawn Roe |
| CULVER | Fleming, Galpin Hill Cemetery, 1790-1842 | Robert Grover |
| CUMMINGS | Union Springs, Auburn, 1857-1940s | Kathi & Dennis McCarthy |
| CURRY | Aurelius, Auburn, 1846- | Deborah Martin-Plugh |
| CURTIS | Village of Cayuga, Genoa, 1800-1960 | Deborah Martin-Plugh |
| CURTISS | Auburn, 1820-1880 | Deborah Williams |
| DALY | Union Springs, 1850s | Kathi & Dennis McCarthy |
| DANAHEY/ DANAHY | Auburn, 1863-1918 | Kathi & Dennis McCarthy |
| DECKER | Auburn, Montezuma, 1850- | Kathy Decker |
| DEERING | Auburn, 1840s- | Karen McAndrew |
| DEFOREST | 1800s | Nancy Wilson |
| DELANO | Village of Cayuga, 1850-1940 | Deborah Martin-Plugh |
| DEMMING | Mentz | David R. Demming |
| DEPUY | -1827 | Phil Roseman |
| DERBY | Chuck Samson | |
| DEVOE | 1790- | Jessica Armstrong |
| DONAHUE | Auburn | Kathi & Dennis McCarthy |
| DONOVAN | Auburn | Kathi & Dennis McCarthy |
| DOTY | Sennett, Auburn, 1708-1940s | Kathi & Dennis McCarthy |
| DOWNING | Aurelius, Venice, Genoa, 1829- | Deborah Martin-Plugh |
| DULSO | Auburn, 1887 | Kathi & Dennis McCarthy |
| DUNHAM | 1830 | Dawn Roe |
| EASTON | -1890 | Carol Casperson |
| FAILEY | Weedsport, Auburn, 1854- | Michael J. O’Toole |
| FERGUSON | Bill Cornell | |
| FLINN/ FLIN/ FLYNN | Union Springs, Springport, Auburn 1815-1900 | Amy Soule |
| GAMEL | Genoa, 1810-1900 | Jo Anne Makely |
| GARBINSKY | Auburn, 1800- | Greg Garbinsky |
| GARTHWAIT | Victory | Terry Reisinger |
| GIBBS | Genoa, 1810 | Kristyn McCaffrey |
| GILLESPIE | Union Springs, 1850-1900s | Kathi & Dennis McCarthy |
| GLUCHY | Auburn, 1900- | Mike Dowhan |
| GONCA/ GONZA | Auburn, 1890 | Greg Garbinsky |
| GOULD | Fleming, Grover Settlement, 1790-1819 | Robert Grover |
| GREEN(E) | Sterling, 1850-1880s | Ryan Mossman |
| GROVER | Fleming, Grover Settlement 1790-1990s | Robert Grover |
| GUSZCZA | 1920- | Frank Antonucci |
| GUYATT/ GUYETT/ GUYOTT | Auburn, 1880-1940s | Kathi & Dennis McCarthy |
| HAMILTON | Fleming, Grover Settlement, 1790-1806 | Robert Grover |
| HARWOOD | Union Springs, Springport, Auburn 1815-1900 | Amy Soule |
| HATCH | Auburn, 1900 | Kathi & Dennis McCarthy |
| HAYWOOD | Union Springs, Springport, Auburn 1815-1900 | Amy Soule |
| HEAZLIT | Ledyard, Scipio, 1790-1840 | Karen Schrader |
| HEFFERNAN | Union Springs, 1879 | Kathi & Dennis McCarthy |
| HELEBRANT | Cato, 1781-1860 | Nancy Wilson |
| HEYWARD | Union Springs, Springport, Auburn, 1815-1900 | Amy Soule |
| HIGGINS | Cato, Meridian, 1815- | Elizabeth |
| HILLEBRANT | Cato, 1781-1860 | Nancy Wilson |
| HOLMES | Springport, Aurelius, Scipio, 1800-1850 | Liz Cornish |
| HONEYWELL | Southern Cayuga Co. 1770- | Andy Simon |
| HOOSE | Auburn, Mentz, 1810-1860 | Barry LaRue |
| HOWARD | Locke | Judy Neu |
| HOYT | Springport, Aurelius, Scipio, 1800-1850 | Liz Cornish |
| HUFFMAN | Auburn, 1820-1880 | Deborah Williams |
| HUNSICKER | 1700s-1950 | Kathy Tippett |
| HUNTER | Sterling, 1800s- | Sue Brenchley |
| HUSK | Martin Husk | |
| HUTTON | Scipio, 1810-1850 | Phil Gates |
| JENNEY | Village of Cayuga, Springport, 1800-1930 | Deborah Martin-Plugh |
| JENNINGS | Auburn, Union Springs, 1860- | Deborah Martin-Plugh |
| JOHNSON | Ledyard, Scipio, 1840-1900 | Kathy Decker |
| KALAR | Cato, Meridian. 1845-1880 | Elizabeth |
| KENDALL | Genoa | Beth Manners |
| KILMER | Fleming, 1830 | Dawn Roe |
| KIRBY | Springport, Scipio, 1795-1895 | Bruce A. Winslow |
| LAKE | Aurelius, Scipio, Sempronius, Genoa, 1790-1830 | Karen Lake-Murphy |
| LAKE | Liz Cornish | |
| LANPHEAR | Ira | Terry Reisinger |
| LARUE | Auburn, Mentz, 1812-1860 | Barry LaRue |
| LEE | Sennett, 1830-1850 | Dorothy Kelliher |
| LEIGER | Auburn, 1850- | Kathy Decker |
| LEONARD | Sennett, 1740-1813 | John Leonard |
| LESTER | Scipio, Sempronius, Genoa, Ledyard, 1790- | Karen Lake-Murphy |
| LICK | 1700s- | Kathy Tippett |
| LOCKWOOD | Springport, Aurelius, Scipio, 1800-1850 | Liz Cornish |
| LUCAS | Auburn, 1905- | Armin Schneider |
| MARTIN | Auburn, 1875- | Deborah Martin-Plugh |
| MARTIN | Susan Whitmore Severino | |
| MAXAM | 1800s | Rhonda |
| MAYWALT | John Harvey | |
| MCCARTHY/ MCCARTY | Auburn, 1864-1940s | Kathi & Dennis McCarthy |
| MILLER | Fair Haven, 1900s | Kathi Frenz McCarthy |
| MILLER | Sue Ann Brenchley | |
| MILK | Jennifer Cranch | |
| MORIARTY | Auburn, 1874 | Kathi Frenz McCarthy |
| MORRISON | Genoa, 1795-1810 | Beth Manners |
| MORSE | 1828- | Mary Revenis |
| NEWKIRK | Bill Cornell | |
| NOLAN | Auburn, 1860- | Kathy Decker |
| O’CONNOR | Auburn, 1858- | Kathi & Dennis McCarthy |
| O’CONNOR | Union Springs, 1880s | Kathy Daily |
| OHLHEISER | John Harvey | |
| O’REILLEY | Union Springs, 1850- | Kathi & Dennis McCarthy |
| OSGOOD | -1834 | Susan Whitmore Severino |
| O’TOOLE | Auburn, Oswego, 1848- | Michael J. O’Toole |
| PALMER | Auburn, 1850s- | Lynn Mills |
| PARCELLS | Village of Cayuga, Auburn, 1800-1960 | Deborah Martin-Plugh |
| PHELPS | Sterling | Sue Brenchley |
| POOLER / POOLE | Locke | Debby Tewes |
| PORTINGALE/ PORTINGALL | Auburn, 1859-1892 | Kathi & Dennis McCarthy |
| PRINE | Jennifer Cranch | |
| PROUDFOOT | Sue Ann Brenchley | |
| RANSIER | Diane Van Kampen Chestelson | |
| RATHBONE/ RATHBUN/ RATHBURN | Robert Rathbun | |
| RAVEN | Sterling, Throop, Conquest, 1870-1945 | Cathy Larkins |
| REYNOLDS | Aurelius, 1870- | Jessica Armstrong |
| RILEY | Union Springs, 1850-1900s | Kathi & Dennis McCarthy |
| ROBARGE | OT4TO@aol.com | |
| ROOKER | Port Byron, 1800 | Dawn Roe |
| RUDE | Scipio, 1810 – 1850 | Phil Gates |
| RYAN | Auburn, 1848-1890 | John Ryan |
| SCANLON | Auburn, 1886-1940s | Kathi & Dennis McCarthy |
| SCHENCK | Liz Cornish | |
| SHAW | Auburn, 1850- | Kathy Decker |
| SHUTTER | Auburn, 1900- | Jessica Armstrong |
| SIGNOR | Southern Cayuga Co., 1770- | Andy Simon |
| SIRACUSA | Auburn, 1890- | Greg Garbinsky |
| SLACK | 1820 | Mary Slack Maynard |
| SMITH | OT4TO@aol.com | |
| SNAPP | 1810-1820 | Barbara Nelson |
| SULLIVAN | Auburn, 1864-1940s | Kathi & Dennis McCarthy |
| TABER | Sterling, 1850s- | Sue Brenchley |
| TABERNACLE | Sue Ann Brenchley | |
| TARO | 1880- | Jessica Armstrong |
| TIPPETT | 1850-2000 | Kathy Tippett |
| TITUS | Aurelius, Venice, Genoa | Deborah Martin-Plugh |
| TRAVER | Mentz, Brutus, Montezuma, 1800-1970 | Dawn Roe |
| TUPPER | 1800s | Peter Kurtz |
| TYLER | Aurelius, Sennett, Auburn, 1729- | Deborah Martin-Plugh |
| TYLER | Auburn, Brutus, Genoa, Sennett, 1796-1850s | Kathi & Dennis McCarthy |
| TYLER | Fleming, Grover Settlement, 1806-1808 | Robert Grover |
| VAN BENSCHOTEN | Southern Cayuga Co., 1770- | Andy Simon |
| VAN KLEEK | Auburn, 1880-1927 | Laurence van Kleek |
| VANMARTER | Summerhill | Bob Forrest |
| WALL | Auburn, 1872-1890 | Christine F. |
| WALSH | Auburn, 1850-1940s | Kathi & Dennis McCarthy |
| WARD | Auburn, 1820-1880 | Deborah Williams |
| WARNER | Springport, Aurelius, Scipio, 1800-1850 | Liz Cornish |
| WATERBURY | Springport, Aurelius, Scipio, 1800-1850 | Liz Cornish |
| WAYNE | Deborah Martin-Plugh | |
| WEED | Springport, Aurelius, Scipio, 1800-1850 | Liz Cornish |
| WELCH | Auburn, 1850-1940s | Kathi & Dennis McCarthy |
| WELSH | Union Springs, 1880s | Kathy Daily |
| WESTCOTT | Springport, Aurelius, Scipio, 1800-1850 | Liz Cornish |
| WETHEY | Throop | Doreen Wethey Ushakoff |
| WHEAT | Southern Cayuga Co., 1770- | Andy Simon |
| WHITMORE | -1834 | Susan Whitmore Severino |
| WHITNEY | Auburn, 1800-1820 | Mary Walling |
| WILLIAMS | Auburn, 1820-1880 | Deborah Williams |
| WILLIAMS | Springport, Aurelius, Scipio, 1800-1850 | Liz Cornish |
| WILSON | Port Byron, 1814 | Dawn Roe |
| WINSLOW | Springport; Scipio, 1795-1895 | Bruce Winslow |
| WITTER | Scipio, 1810-1850 | Phil Gates |
| YALE | Sennett, 1843-1860s | Kathi & Dennis McCarthy |