| Surname | Data | Member # |
| HA(O)LLIDAY/HOLIDAY | Lysander, Onondaga Co., Volney, Oswego Co., Yates Co., NY; MI | D222 |
| HAAS | Buffalo, Erie Co., NY; Alsace (Detweiller), France | L229 |
| HADDEN | Madison Co., NY | H245 |
| HAENDLER | Germany; Auburn, Cayuga Co., NY; Syracuse, Onondaga Co., NY | W373 |
| HAHN | Germany; Town Solvay, NY; Onondaga Co., NY | R213 |
| HAIGHT | Dutchess Co., NY | G252 |
| HALE | Lowville, Lewis Co., NY; Victory, Cayuga Co., NY | K158 |
| HALL | Syracuse, Onondaga Co., NY; England | D257 |
| HALL | Onondaga & Madison Co., NY | F195 |
| HALL | CT; Middleborough, MA; Onondaga & Oswego Co., NY | D222 |
| HAMER | Oswego Co., NY | B551 |
| HAMMOND | Washington Co., NY; Town of Galen, Wayne Co., NY | K158 |
| HAND | Delaware & Otsego Co., NY | N106 |
| HAPEMAN | Wayne Co., NY | W395 |
| HARPER | IL; NY | G229 |
| HARPER | Queens Co., NY; Worchester Co., MA | H412 |
| HARRIS | Jefferson Co., NY | B551 |
| HARRIS | Cayuga Co., NY; PA; | E107 |
| HARRIS | Town Granby or Hannibal, Oswego Co., NY | K137 |
| HARRIS | Deal, Kent, England; Providence Colony, RI; Smithfield, Providence Co., RI; Clinton, Dutchess Co., NY | S534 |
| HARRIS | MA; CT; NY | S597 |
| HARRIS | England; Syracuse, NY | W336 |
| HART | NJ; McClean, Tompkins Co., NY | C193 |
| HARVEY | Syracuse & Pompey, Onondaga Co., NY | W373 |
| HASHINSKY | Lokhvitza & Poltava, Ukraine; Kings Co., NY | T154 |
| HATCH | Chautauqua Co., NY | M475 |
| HATCH | Benton, Yates Co.; Middlesex, Ontario Co., NY | R283 |
| HATFIELD | England; Leyden, Holland; New Amsterdam, NY; White Plains & Eastchester, Westchester Co., NY; Clinton, Dutchess Co., NY | S534 |
| HAWKS / HAWKES | Herkimer Co. & Otsego Co., NY; MA | C464 |
| HAYDEN | Syracuse &Owego, NY; Sayre, PA | D257 |
| HAZARD | RI; Hamilton, Madison Co., NY | E031 |
| HAZELTON | Madison Co., NY; Vermont | B510 |
| HEATH | Herkimer Co., NY | H416 |
| HEATH | Delaware & Tompkins Cos., NY; Sharon, CT | T165 |
| HECKMAN | Bucks, Lehigh & Northampton Co., PA; Fayette & Waterloo, Seneca Co., NY | T153 |
| HECKMANN | Buffalo, Erie Co., NY; Alsace (Detweiller), France | L229 |
| HEDRICK | Rowan & Davidson Co., NC; Brown Co., IL | T133 |
| HEIN | Rome, NY | T170 |
| HEMPSTEAD | Onondaga & Madison Co., NY | R265 |
| HENDRYX | Orange & Stuben Co., NY | T162 |
| HENRY | Tompkins & Livingston Co., NY | M165 |
| HENRYES (William) | Oneida Co., NY | D299 |
| HEPP | Erie Co., NY; Germany | M505 |
| HEPP | Oswego & Onondaga Co., NY | C409 |
| HEPPELL | France; Quebec, Canada; Oswego Co., NY | J135 |
| HEROD / HARWOOD | Ballston Spa, Port Byron & Waterloo, NY | H394 |
| HERRICK | Salem, MA; Columbia & Otsego Co., NY | C384 |
| HERRING | Germany; Syracuse, NY | S541 |
| HERRON | Cayuga Co., NY; Van Buren Co., MI | J121 |
| HERZOG | Albany & Orange Co., NY; SC; Germany | G281 |
| HEWITT | Catharine, NY | K192 |
| HICKMAN / HIGMAN | Lewis & Jefferson Co., NY | C325 |
| HICKS | Washington Co., NY | A166 |
| HICKS | MA; NH; Cortland & Tioga Co., NY | S534 |
| HIERSEMANN | Germany; Hoboken, NJ; Narrowsburg, NY | C415 |
| HIERTZA | New York City, NY | M416 |
| HIGGINS | Deansboro, NY; Oneida Co., NY | H394 |
| HIGLEY | Ballston Spa & Port Byron, NY | H394 |
| HILKERT | PA; Town Fayette & Waterloo, Seneca Co., NY | S225 |
| HILL | Oneida & Jefferson Co., NY | B548 |
| HILL | Smithville, NY | H373 |
| HILL | Onondaga, Cortland & Genesee Co., NY | H389 |
| HILLICK | Tompkins & Oswego Co., NY | H203 |
| HILLS | Washington Co., NY | M508 |
| HINES | Wayne & Onondaga Co., NY; MA | S178 |
| HINTERMEYER | Germany, NY | S591 |
| HITCHCOCK | Washington Co., NY | W362 |
| HOAG | Dutchess Co., NY | H262 |
| HOAR | Austria; Little Falls, Herkimer Co., NY; Phoenix, Schroppel Co., NY | D256 |
| HOAR | Fayetteville, Pompey & Manlius, Onondaga Co., NY; Cortland Co., NY | H389 |
| HOAR/HOOR/HORR | Little Falls, Herkimer Co; Phoenix & Schroppel, Oswego Co., NY | D256 |
| HOBART | Fayetteville, Pompey & Manlius, Onondaga Co., NY; Cortland Co., NY | H389 |
| HOBART / HOAR | Cortland & Homer, NY | F206 |
| HOFFMANN | Queens, NY | D224 |
| HOGAN | Cortland & Homer, NY | F206 |
| HOGLE | Hoosick, NY; Swanton, VT | E089 |
| HOLLISTER | Onondaga & Saratoga Co., NY | H262 |
| HOLLY | Fulton, Oswego Co., NY | W417 |
| HOLMES | Tompkins Co., NY | R265 |
| HOLSTEAD | Cayuga Co., NY | G100 |
| HOMLEVSKY (HUMMEL) | Poltava, Ukraine; Kings Co., NY | T154 |
| HOOPER | Marblehead, Essex Co., MA | R136 |
| HOPKINS | Rutland, VT; Town of Galen, Wayne Co., NY | K158 |
| HORLE | Madison Co., NY | H313 |
| HORLE | Sterling, Cayuga Co., NY; Bath, England | H313 |
| HORNING | NY | G252 |
| HOSKINS | Cayuga & Livingston Co., NY | R046 |
| HOSKINS | Jordan, Onondaga Co., NY; Cato, Cayuga Co., NY | W417 |
| HOSLEY | Broome Co., NY; NE | F201 |
| HOTALING | Greene Co., NY; Valatie, Columbia Co., NY | W297 |
| HOUGHTALING | Onondaga & Delaware Co., NY | M499 |
| HOUGHTON | Westminster, MA; Worcester, NY; Otsego, NY | H375 |
| HOUSE | Onondaga Co., NY; Shaftsbury, VT | S578 |
| HOUSTON | Livingston Co., NY; Scotland | B510 |
| HOWARD | Schoharie & Cattaraugus Co., NY | H398 |
| HOWARD | Schoharie & Cattaraugus Co., NY | H400 |
| HOWARD | Madison, Oneida & Oswego Co., NY | T163 |
| HOWELL | Wayne & Orange Co., NY | S178 |
| HUBBARD | Smithville, NY; Otsego Co., NY | H373 |
| HUBBELL | Syracuse & Albany, NY; Fairfield Co., CT | R270 |
| HUCK | Jefferson Co., NY; Germany | H286 |
| HUCKABONE | Herkimer Co., NY; Russia, NY | M505 |
| HUFFSTATER | NY | B551 |
| HUGG | N. Spencer, Tioga Co., NY; Canaan, CT | M318 |
| HULL | Chautauqua & Cattaraugus Co., NY | E102 |
| HUMMEL (HOMLEVSKY) | Poltava, Ukraine; Kings Co., NY | T154 |
| HUMPHREYS | N. Wales; VT; Washington, Oneida, & Onondaga Co., NY | G257 |
| HUNT | Fulton, Herkimer & Cayuga Co., NY | H335 |
| HUNT | Gowanda & Pittstown, NY | M318 |
| HUNT | Schoharie & Delaware Co., NY | W415 |
| HUNT | Dutchess Co., NY | Y030 |
| HUNT | Romulus, Seneca Co., NY | R136 |
| HUNTER | Saratoga & Fulton Co., NY; Ireland | G281 |
| HUNTINGTON | Perry Co., NY | M494 |
| HURD, Adeline | N. Fenton, Broome Co., NY | T159 |
| HURST | Erie Co., NY | S550 |
| HUSTED | Oneida and Herkimer Co., NY | H394 |
| HYATT | CT; Otsego Co., NY | W415 |
| HYATT (var) | Ballston, NY; Erie Co., NY; Rockton, IL; Quebec | E089 |
| HYDE | Broome Co., NY | F201 |
| HYDE | Lebanon, CT; Chenango Co., NY; Oxford Co., Ontario, Canada | F171 |
| INCLEDON | Granby, Oswego Co., NY | W417 |
| INGALLS | Jefferson & Cayuga Co., NY | W352 |
| INGLES | Otsego Co., NY | E081 |
| INMAN | Cayuga & Madison Co., NY; RI; CT | M340 |
| INSLEE | NY | I012 |
| IRELAND | Tioga Co.; Danby, Tompkins Co., NY | T165 |
| JAMES | Canada; Oswego, NY | B517 |
| JAMES | Oswego & Washington, NY; RI | C464 |
| JARDIN | Rheinland (Gerolstein), Germany | L229 |
| JAYCOX | Dutchess Co., NY | H398 |
| JENNINGS | Delaware Co., NY | B556 |
| JENNINGS | Ireland: Little Falls, NY | J127 |
| JENNINGS | Cortland, Wayne & Ontario Co., NY | M165 |
| JENNINGS | Town Lisle, Broome Co., NY; Cortland Co., NY | D224 |
| JENSEN | Oswego Co. & Kings Co., NY; Denmark | C464 |
| JENSEN | Greene, Chenango Co., NY | B512 |
| JERRAM | Derbyshire, England; Otsego Co., NY; Chemung Co., NY | J042 |
| JOHNSON | VT; Otsego & Chenango Co., NY | C435 |
| JOHNSON | Delaware Co., NY | F205 |
| JOLES | Herkimer; Chenango & Jefferson Co., NY | M488 |
| JOLLS | Rensselaer, Herkimer & Otisco Co., NY | M488 |
| JONES | Attica, Wyoming Co., NY | J069 |
| JONES | Washington Co., NY | M508 |
| JONES | Anglesey, Wales; Utica, NY | B405 |
| JORDAN | Town Friendship & Wirt, Allegany Co., NY | S508 |
| KASSEL | Germany; Syracuse, NY | W336 |
| KASSON | NY | B474 |
| KAUFMAN / CUFFMAN | Belfast, Allegany Co., NY; Dryden, Tompkins Co., NY | B545 |
| KAYWOOD / CAYWOOD | Trumansburg, Tompkins Co., NY | M165 |
| KELLEY | Oneida & Oswego Co., NY | C426 |
| KELLY | Binghamton, NY | M416 |
| KELLY / KELLEY | Chautauqua Co., NY | S357 |
| KELSEY | Onondaga & Oneida Co., NY; CT | W382 |
| KENNEDY (var) | NY; VT; IL | G229 |
| KENYON | Cattaraugus, Madison, Cortland & Chenango Co., NY | K161 |
| KENYON | Niagara & Cayuga & Dutchess Co., NY | R192 |
| KIDER | Livingston Co., NY | C459 |
| KILEY | Syracuse, Onondaga Co., NY | S539 |
| KILTS | Herkimer & Otsego Co., NY | N106 |
| KINCAID | Canada; Town of Sullivan, NY | K145 |
| KING | Washington & Niagara Co., NY | G280 |
| KING | Chenango Co., NY; Durham, CT | R136 |
| KING | RI; City of Norwich, Chenango Co., NY | E031 |
| KING | MA; Dutchess & Tompkins Co., NY | T162 |
| KING | North Sanford, Broome Co., NY | B569 |
| KINGSFORD | Oswego Co. & Kings Co., NY | C464 |
| KINNE | Seneca & Dutchess Co., NY; New London, CT | F157 |
| KINNE | Oswego Co., NY | W396 |
| KINYON | Cattaraugus, Madison, Cortland & Chenango Co., NY | K161 |
| KINYOUN | CT; Pulteney, Steuben Co., NY | K192 |
| KIRKPATRICK | Syracuse, Onondaga Co., NY; Schenectady, NY | K187 |
| KIRSCH | Germany; Deerfield, Oneida Co., NY | S605 |
| KIRTLAND | Hector & Lodi, NY | B563 |
| KNAPP | Berkshire Co., MA; Onondaga Co., NY | H262 |
| KNAPP | Town Eaton, Madison Co., NY; Town Otselic, Chenango Co., NY | T159 |
| KNICKERBOCKER | Madison, Oswego & Oneida Co., NY | T163 |
| KNIGHT | Broome Co., NY; ME | R275 |
| KNOOP | Lockport, Niagara Co.; Syracuse, Onondaga Co., NY; Germany | H313 |
| KNOPE/CANOPE/KNAPP | Onondaga Co., NY | H313 |
| KOLB | Hamburg, Germany; Onondaga Co., NY | D222 |
| KORTHAS | Germany; Onondaga Co., NY | S548 |
| KOUHOUPT (+var) | Esopus, Ulster Co., NY; Kingston & Fiskhall, Dutchess Co., NY | B175 |
| KRESS | Tioga Co., NY | C458 |
| KRESS | Watkins Glen, Schuyler Co., NY | D200 |
| KYLE | Ireland; Dutchess & Oswego Co., NY | R213 |