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Last Name | Male 1st | Female | Maiden | Township | Sec | Job | Acres | If Tenant, who owned | Year | Children's Names | Farm Name |
| Yanke | Oscar | Esther | Henderson | Richmond | 23 | t | 120 | Frank Johnoots | 1912 | James | |
| Yanke | William | Grace | Wells | Grafton | 11 | o | 141 | 1904 | Veran | ||
| Yates | A.L. | Agnes | Cja;,ers | Chemung | 10 | p | 80 | 1915 | Russell, Irena, Walter, Lyle | ||
| Yates | George C. | Stella | Breese | Chemung | 14 | o | 123 | 1915 | Florence, Helen, Harry, Maude, Gladys, Nellie | ||
| Yerke | Charlie | Anna | Shaver | Riley | 12 | t | 277 | Will Yerke | 1887 | Milo, Eunice, Mildred | |
| Yerke | Gus | Emma | Nickles | Riley | 13 | o | 80 | 1877 | Helen, Elmer, Bernie, Harold, Ethel | ||
| Yerke | John | Anna | Kloszeskie | Coral | 5 | t | 136 | Mike Yerke | 1894 | ||
| Yerke | Otto | Lillian | Eickstadt | Riley | 13 | t | 120 | Wm. Eickstadt | 1883 | Thelma | |
| Yerke | Walter | Rosie | Behnke | Riley | 2 | t | 136 | Mrs. Edna Stanford | 1892 | Clarence, Ruth, Herbert | |
| Yillis | George G. | Mary | Heaton | Chemung | 16 | t | 120 | Mrs. Katherine Yillis | 1888 | Alice | |
| York | John F. | Lena | Everett | Alden | 3 | o | 223 | 1901 | Lester, Earl, Arbin, Everett | Zenda Vesta Farm | |
| Young | Albert | Ella | Nugge | Coral | 12 | t | 92 | John Younge Est. | 1883 | Viola, Ethel | |
| Young | George | Kate | Benedict | Chemung | 4 | t | 118 | B. Chilson | 1896 | Orchard Farm | |
| Young | Inez | Stevenson | Hartland | 36 | Ellery A. Harrison | 1884 | Charles, Kenneth | ||||
| Young | John D. | Catherine | Hay | McHenry | 36 | o | 120 | 1860 | George, Edward, Veronica, Laura, Julia, Matilda, Louis, Agnes, Marie, William, Rosena, Genevieve, Clarence | ||
| Young | Joseph | Lillian | Biggers | McHenry | 21 | t | 10 | Mr. Term | 1916 | Francis, Frankie | |
| Yrike | A.L. | Louise | Owens | Seneca | 5 | t | 160 | S.M. Farr Est. | 1875 | Frances, William, Maggie, Herbert, Garnet | |
| Zander | Wm. C. | Josephine | Hunt | Nunda | 7 | o | 40 | 1912 | |||
| Zarnstorff | Carl M. | Rosa | Beughl | Richmond | 31 | t | 120 | William H. Reed | 1913 | Elmer, Elbert, Ella, Martin, Harvey, Roy, Lillian, Viola, Cora | |
| Zarnstorff | Frank G. | Metta | Frank | Richmond | 1 | t | 148 | Mrs. Christina Zarnstorff | 1900 | Verne, Evelyn, Edith, Floyd | |
| Zeeck | Carl | Ettafena | Hoge | Alden | 32 | o | 80 | 1891 | Freda, Minine, Elsie, Annie, William, Ella | ||
| Zeimet | Frank | Elizabeth | Straube | Alden | 7 | t | 254 | J.J. Vanbell | 1915 | Eulalia | |
| Zekor | August | Bertha | Winkelmann | Coral | 9 | o | 90 | 1891 | Annie, Elvin, Eddie | ||
| Zelma | Anton Jr. | Mary | Kridera | Algonquin | 35 | t | 180 | Herman Henk | 1903 | Anthony | |
| Zelma | Frank | Annie | Barta | Algonquin | 23 | t | 160 | August Schutte | 1912 | ||
| Zenk | Geo. | Mary | Conley | Grafton | 10 | o | 20 | 1850 | Albert, Frank, Fred, Mabel, Esther, Pearl | ||
| Zenk | John B. Jr. | Magdalena | Schneider | Coral | 6 | Jos. Schneider | John | ||||
| Zenz | George | Emily | Klinger | Greenwood | 22 | o | 80 | 1896 | Mary | ||
| Zickuhr | Henry C. | Augusta | Krueger | Seneca | 33 | t | 160 | Chas. Zickuhr | 1890 | Ralph, Roy | |
| Zickuhr | Herman | Minnie | Rader | Seneca | 29 | o | 125 | 1895 | Clara, Selma, Anna, Willie, Martha, Harry, Dorothy | ||
| Zickuhr | * | Laura | Fritz | Seneca | 33 | t | 160 | Chas. Zickuhr | 1883 | Marvin, Marion, Linda, Adeline, Frederick | |
| Zickur | Emil | Alivina | Stake | Seneca | 15 | t | 100 | Mrs. O. Zickur | 1888 | Ruben, Ethel, Melvin | |
| Zimmerman | August | Dunham | 35 | o | 90 | 1892 | Clarence, Oleda | ||||
| Zimmerman | Ernie F. | Mary | Thurow | Greenwood | 32 | o | 80 | Fred Ferman | 1884 | Alma, Florence, Christlin | |
| Zimmerman | Frank | Ida | Gates | Alden | 23 | t | 80 | Andrew Johnson | 1912 | Raymond, Alzo, Alvin, Ernest | |
| Zimmerman | I.A. | Gertrude | Myers | Seneca | 13 | o | 120 | 1905 | |||
| Zimmerman | John | Lizzie | Bomaster | Grafton | 10 | t | 145 | James Lansley | 1901 | Frank | |
| Zimmerman | John | Mary | Rendel | Dorr | 31 | t | 70 | H. Dekelo | 1913 | Elsie, Marie | |
| Zogas | Charles | Agy | Androske | Algonquin | 11 | o | 126 | 1916 | Charles, Jennie, Helen | ||
| Zyda | Edward | Carrie | Huska | Richmond | 30 | t | 80 | F.C. Schroeder | 1916 | Mary | |
| Last Name | Male | Female | Maiden | Township | Sec | Own/Rent | Acres | Property Owner | Year | Children's Names | Farm Name |
| Oakley | George | Marengo | 9 | o | 80 | 1871 | |||||
| OBrien | C.T. | Agnes | OLeary | Dunham | 30 | o | 160 | 1876 | Edwin, Gladys, Howard, Helen | ||
| OBrien | J. | Mary | Sterngfellow | Marengo | 32 | o | 200 | 1917 | Harry | ||
| OBrien | Henry | Katherine | Hurley | Chemung | 11 | o | 80 | 1872 | |||
| OBrien | M.J. | Anna | Grealey | Dorr | 12 | t | 220 | Jacob Cassell | 1907 | ||
| OBrien | Thomas* | Anna | Kilroy | Dunham | 32 | o | 320 | 1862 | Mike, John, Connie, Jerry, William, Hannah | ||
| Ocock | Bert | Mabel | Towne | Coral | 8 | t | 76 | J.H. Ocock | 1875 | ||
| Ocock | C.H. | Mercedes | Loudenbeck | Coral | 5 | t | 87 | J.N. Loudenbeck | 1876 | Elwyn, Vance | |
| Ocock | Harry | Emma | Pinnie | Coral | 28 | t | 125 | W.W. Ocock | 1874 | William, Eloise | |
| OConnel | Thomas L. | Katherine | Malloy | Nunda | 32 | t | 160 | T. Rawson | 1915 | Gertrude, Francis, Leo, Bernard | |
| OConnor | D.P. | Bridget | Taylor | Dunham | 29 | o | 170 | 1862 | Mary, Johnk Adeline | Fair View Farm | |
| Ode | Fred | Anna | Swan | Hebron | 18 | t | 200 | Mrs. J. Line | 1917 | ||
| Ode | Gnnar | Caroline | Wymann | Greenwood | 21 | t | 180 | Wm. Allen | 1911 | Evelyn | |
| Oeffling | Wm. F. | Hanna | Kiar | McHenry | 7 | o | 126 | 1897 | Anna, Peter, George, Katie, Alford | Pistakee View Farm | |
| Oerkfitz | William H. | Meta | Schmidt | Nunda | 27 | t | 133 | Leonard Smith | 1879 | John, Marie | |
| OHolleran | Charles J. | Kathryn | McGuire | Alden | 26 | t | 80 | Ed Leo | 1885 | Frank, Ray, Eddie, Paul | |
| OHolleran | John P. | Lydia | Reardon | Alden | 26 | o | 160 | 1885 | |||
| OHolleran | Thomas | Mary | Dolan | Alden | 25 | o | 160 | 1857 | John, Charles, Mark | ||
| Okeson | Carl | Marie | Hendrickson | Hebron | 14 | o | 210 | 1897 | Mildred, Ralph, Raymond | ||
| Olbrich | J.C. | Carrie | Noe | Marengo | 2 | o | 565 | 1878 | Marian, Harold, Raymond, Emil | ||
| Olcott | B.R. | Abbie | OConnor | Marengo | 6 | o | 220 | 1875 | Eugene, Hugh, Carl | ||
| OLeary | Frank * | Julia | Murphy | Hartland | 10 | t | 663 | Tim Murphy | 1883 | Donald, Francis | |
| OLeary | Morris | Mary | Nihan | Chemung | 36 | o | 121 | 1868 | Mary, Morris, John, Cornelius, Louis | View Farm | |
| Olesen | E.S. | Theckla | Rosine | Coral | 30 | o | 100 | 1916 | Gerald, Vernol, Merten | ||
| Oleson | Peter | Ida | Hansen | Nunda | 2 | t | 200 | Mrs. Kennebeck | 1902 | Hilding, Hartha, Helen, Hilmar, Oley, Ellen | |
| Olinger | Frank | Elizabeth | Micheals | Nunda | 30 | o | 120 | 1914 | John, | Eby Farm | |
| Olsen | Charles | Elizabeth | Whinch | McHenry | 6 | o | 120 | 1892 | Harry, Leslie, Elmer, Florence | ||
| Olsen | Ernest | Grafton | 16 | t | 160 | E. Conley | 1906 | ||||
| Olsen | John C. | Christina | Jensen | Grafton | 1 | o | 142 | J. Rose | 1915 | John, Joseph, Marie, May, Clarence, Harold | Lakeview Dairy Farm |
| Olson | Oley | Mabel | Peter | Grafton | 26 | o | 100 | 1885 | Alfred, Alice, Frances, Otto | ||
| ONeil | * | Alice | Power | Alden | 19 | o | 50 | 1869 | Margaret, Maryann, Catherine, Agnes, Mary, Edward, Dominick | ||
| ONeil | Edward T. | Carrie | Crosmon | Seneca | 2 | o | 70 | 1905 | Arthur, Ernest, Ruby | ||
| Oost | Jake | Hebron | 18 | t | 110 | Nelson Gates | 1912 | ||||
| Oost | Theodore | Henrietta | Pool | Hebron | 18 | Nelson Gates | 1912 | Wilma, Jake, Ralph, Ruth | |||
| Orkfitz | Herman | Alfreda | Broederdorf | Algonquin | 21 | t | 51 | John N. Boss | 1880 | Clarence, Elmer, Marion | |
| Ormsby | C.H. | Anna K. | Scott | Dorr | 14 | o | 220 | 1846 | Earl, William, Charles | ||
| ORourke | Dan | Catherine | Clark | Coral | 2 | o | 190 | 1880 | Mary, Evalyn, Daniel, Francis | ||
| Orr | John G. | Hartland | 8 | o | 200 | 1889 | John, Verner, Herbert, Anna, Minnie, Joseph | ||||
| Orr | Robert | Margaret | Brann | Chemung | 30 | o | 120 | 1885 | Herbert, James, Clifford | ||
| Orr | Sinclair J. | Frances | Orr | Chemung | 33 | t | 30 | Mrs. W.O. Morse | 1916 | ||
| Orvis | Samuel | Levina | Sanborn | Burton | 17 | o | 49 | 1852 | Willard, Clarence, Rosie, Byron, Elmer, Everet | ||
| Osborn | Charles | Anna M. | Westmont | Richmond | 27 | t | 120 | Chas. Westmont | 1886 | Leslie, Everet | Rose Lawn Farm |
| Osborn | C.L. | Flora | Crofley | Richmond | 21 | o | 88 | 1873 | Dwight, Annabelle, Harold, Flora | Highland Park Dairy Farm | |
| Ostrum | Fred | Etta | Lilie | Chemung | 19 | fh | Harry Gill | 1914 | Elsie, Helen, Claris, Mabel | ||
| Ottens | Henry | Annie | Kettler | Riley | 11 | t | 171 | H.E. Henning | 1912 | Fred, George, Garrett, Carl | |
| Otto | August | Clara | Pomllno | Riley | 11 | t | 100 | Will Jacobsen | 1890 | Alvin | |
| Overill | W.T. | Margaret | Guth | Hartland | 34 | o | 160 | 1912 | Eleanor | ||
| Overkamp | Martin | Alice | Groenmeyer | Alden | 12 | t | 200 | Robert W. Clouder | 1917 | Richard, Irene, Harry | |
| Overton | D.W. | Lotus | McCloon | Richmond | 23 | t | 150 | W.J. Overton | 1885 | William, Bertha | |
| Overton | L.S. | Ada | Coddington | Richmond | 23 | o | 150 | 1884 | Avis, Virginia | ||
| Orymyer | I.B. | Catheryn | Mulligan | Dorr | 17 | o | 16 | 1902 | Russell, Vernie | ||
| Oxtoby | James | Ruth | Hainess | Burton | 19 | t | 190 | Broadley Est. | 1880 | Arthur | Sunshine Farm |