| Name | Birth Date | Where | Father | Mother |
| Lizzie M. Ockenfels |
30 August 1903 |
Milford |
Peter P. Ockenfels |
Adelhaid Brecht |
| Margaret Catharine Ockenfels |
14 May 1900 |
Milford Twp. |
Peter P. Ockenfels |
Adelhaid Brecht |
| Anna R. Ockenfells |
29 March 1898 |
Milford |
Peter P. Ockenfells |
Adaline Brecht |
| Chloryce Jerene Ode |
25 November 1933 |
Center Grove |
Carl Johannes Ode |
Leila Louise Gibbs |
| Vernon Michael O'Dea |
20 January 1906 |
Spirit Lake |
Michael O'Dea |
Anna Nece |
| Carl Joseph Oehl |
15 May 1900 |
Spirit Lake |
Joseph H. Oehl |
Marie Louise Lokenvitz |
| Norma Cecelia Oglaughlin |
19 February 1920 |
Center Grove |
Harry Oglaughlin |
Charlotte D. Averill |
| Alvin Charles Ogle |
18 August 1930 |
Superior Twp. |
Emery L. Ogle |
Margaret H. Rhodes |
| Donald Valentine Ogle |
19 June 1925 |
Spirit Lake |
Arthur Valentine Ogle |
Etta May Frush |
| Eugene Leroy Ogle |
28 August 1933 |
Superior |
Emery L. Ogle |
Margaret H. Rhodes |
| Floyd Raymond Ogle |
9 June 1928 |
Superior Twp. |
Emerson Ogle |
Gladys May Swanlund |
| Lela Ilene Ogle |
19 June 1918 |
Richland |
Art Ogle |
Etta Trush |
| Lloyd James Ogle |
15 July 1927 |
Spirit Lake |
Emery Lloyd Ogle |
Margaret Hazel Rhodes |
| Marilyn Fern Ogle |
23 March 1932 |
Richland |
Emerson Floyd Ogle |
Gladys May Swanlund |
| Mary Jean Ogle |
18 March 1930 |
Superior |
Emerson Floyd Ogle |
Gladys May Swanlund |
| Wilma Darlene Ogle |
14 October 1928 |
Richland |
Emery L. Ogle |
Margaret Hazel Rhodes |
| John Allen O'Heron |
5 October 1901 |
Spirit Lake |
Mike O'Heron |
Kathareen Jan Mcclaskey |
| Michael Francis O'Hern |
18 December 1902 |
Diamond Lake |
Mike O'Hern |
Kate Mccloskey |
| William David O'Hern |
7 March 1908 |
Diamond Lake |
Michael O'Hern |
Kate Mcclaskey |
| Marion Elaine Ohlson |
30 December 1929 |
Spirit Lake |
Harold Theodore Ohlson |
Beatrice Marion Evans |
| Marvis Mae Ohlson |
7 July 1935 |
Diamond Lake |
Harold T. Ohlson |
Beatrice M. Evens |
| Sandra Roseann Ohlson |
13 January 1938 |
Diamond Lake |
Harold T. Ohlson |
Beatrice Marion Evans |
| Arthur Joseph Olberding |
29 May 1918 |
Richland |
Joseph F. Olberding |
Bertha E. Hogan |
| Sandra Lou Olbertz |
21 December 1940 |
Milford |
Frank Olbertz |
Mable Pitham |
| J. W. Oleson |
2 December 1908 |
Okoboji Twp. |
J. L. Oleson |
Annie Larson |
| Laura Angeline Oleson |
3 August 1903 |
Milford |
John L. Oleson |
Annie Dorotha Larson |
| Tensy Josephine Oleson |
13 February 1907 |
Okoboji Twp. |
J. L. Oleson |
Annie Larsen |
| Audrey Mae Oliver |
1 March 1934 |
Montgomery |
Stephen Oliver |
Ella Merry |
| Fred Crow Olmstead |
|
Dickinson, Ia |
J. T. Olmstead |
Ada V. Johnson |
| Carmen Du Vignau Olsen |
17 September 1921 |
Terril |
Peter Nels Olsen |
Marie Du Vignau |
| Donald Lynn Olsen |
16 January 1946 |
Dickinson, Ia |
Albert Olsen |
Lila Hanson |
| Geraldine Delores Olsen |
19 June 1935 |
Arnolds Park Twp. |
Oliver Albert Olsen |
Lila Rose Hanson |
| L. A. Olsen |
3 August 1903 |
Okoboji Twp. |
John L. Olsen |
Annie Larson |
| Larry Albert Olsen |
21 January 1945 |
Dickinson, Ia |
Otmar Albert Olsen |
Lila Rose Hanson |
| Lava Irene Olsen |
11 March 1918 |
Richland |
Andrew M. Olsen |
Mamie Louise Lamack |
| Lorraine Kathryn Olsen |
16 July 1928 |
Lloyd |
Martin C. Olsen |
Viola H. Anderson |
| Shirely Mae Olsen |
11 December 1941 |
Dickinson, Ia |
Otmar Albert Olsen |
Lila Rose Hanson |
| Olson |
24 January 1925 |
Milford |
Ole Olson |
Bertha Tokle |
| Adelma Vae Olson |
23 August 1918 |
Center Grove |
Erick Ferdinand Olson |
Anna Harriet Hoch |
| Ardeth Mae Olson |
27 June 1930 |
Lakeville |
Floyd R. Olson |
Leora Mae Keck |
| Barbara Jean Olson |
13 April 1931 |
Okoboji Twp. |
Nels Maynard Olson |
Mary Elizabeth Von Housen |
| Beth Darlene Olson |
25 June 1927 |
Lakeville |
Floyd Roswell Olson |
Leora May Keck |
| Bonnie Lou Olson |
26 July 1925 |
Arnolds Park |
Louis Olson |
Mildred Venita Root |
| Charles Harold Olson |
23 December 1928 |
Diamond Lake |
Clarence Harold Olson |
Elsie Irene Longshore |
| Donald Duane Olson |
7 August 1933 |
Lakeville |
Lloyd Ellsworth Olson |
Ruby May Harker |
| Dorthy Ann Olson |
29 May 1924 |
Milford |
Clinton D. Olson |
Hazel Minnie Tittengton |
| Elva Evelyn Olson |
29 July 1908 |
Diamond Lake |
Nels Olson |
Anna Mary Anderson |
| Emma Olson |
21 July 1898 |
Supeior Twp. |
Henry Olson |
Mary Stueland |
| Floy Eileen Olson |
25 June 1927 |
Lakeville |
Floyd Roswell Olson |
Leora May Keck |
| Gail Francis Olson |
12 July 1938 |
Milford Twp. |
W. Wayne Olson |
Carol E. Blum |
| Gladys Lucille Olson |
29 July 1920 |
Lloyd |
Gaylord Olson |
Lena Marie Johansen |
| Hugh Malcolm Olson |
6 April 1920 |
Lloyd |
Louis Olson |
Mildred Venita Root |
| Ila Loraine Olson |
23 May 1927 |
Lakeville |
Lloyd Ellsworth Olson |
Ruby May Harker |
| James Leonard Olson |
24 February 1921 |
Center Grove |
Tom Olson |
Albertine Gibson |
| Laurel Wayne Olson |
21 February 1936 |
Lloyd |
William Wayne Olson |
Carol E. Blum |
| Lavonne Maxine Olson |
14 August 1924 |
Milford |
Floyd Roswell Olson |
Leona Mae Kirk |
| Lola Matilda Olson |
16 July 1928 |
Lloyd |
Ole S. Olson |
Bertha M. Fredricksen |
| Margaret Jean Olson |
27 December 1921 |
Center Grove |
Louis Olson |
Mildred V. Root |
| Myrna Leone Olson |
1 November 1938 |
Okoboji Twp. |
Raymond Wm. Olson |
Helen Mabel Current |
| Robert Elmer Olson |
18 February 1935 |
Lloyd |
Ole Severt Olson |
Bertha Marie Fredricksen |
| Robert Erick Olson |
9 May 1923 |
Superior |
Herbert E. Olson |
Vinnie Gull |
| Roger Earl Olson |
2 February 1935 |
Lloyd |
Raymond Wm. Olson |
Helen Mabel Current |
| Sandra Jean Olson |
22 February 1947 |
Dickinson, Ia |
Dewey Gilbert Olson |
Mildred Mabel Dotson |
| Sonia Elizabeth Olson |
26 March 1939 |
Center Grove |
Maynard Nels Olson |
Mary Elizabeth Von Housen |
| Stanley Ray Olson |
23 July 1942 |
Milford |
Raymond Wm. Olson |
Helen Mabel Current |
| Verlyn Dean Olson |
16 December 1936 |
Lakeville |
Lloyd E. Olson |
Ruby May Harker |
| Vernon Lloyd Olson |
6 May 1929 |
Lakeville |
Lloyd Ellsworth Olson |
Ruby May Harker |
| Victor Emanuel Olson |
9 December 1906 |
Diamond Lake |
Nels Olson |
Anna Mary Anderson |
| Warren Henry Olson |
16 July 1926 |
Superior Twp. |
Henry J. Olson |
Agnes G. Groth |
| Grace Olt |
26 September 1902 |
Excelsior |
Charles Olt |
Josie Ankebauer |
| Dana Lee Omer |
17 August 1926 |
Spirit Lake Twp. |
Claude Mckinley Omer |
Grace Dickinson |
| Harriet Elizabeth Omer |
3 March 1938 |
Center Grove |
Claude Mckinley Omer |
Grace Dickinson |
| Janet Virginia Omer |
11 September 1930 |
Spirit Lake |
Claud Mckinley Omer |
Grace Dickinson |
| Julia Anne Omer |
23 November 1927 |
Spirit Lake |
Claud Mckinley Omer |
Grace Dickinson |
| Margaret D. Omer |
15 August 1924 |
Spirit Lake |
Claude Mckinley Omer |
Grace Dickinson |
| Norma Jean Omer |
25 June 1934 |
Spirit Lake Twp. |
Claude Mckinley Omer |
Grace Dickinson |
| Peter James Omer |
27 May 1931 |
Spirit Lake |
Mask Cuppett Omer |
Theresa Alice Jones |
| Walter Merritt Omer |
5 February 1933 |
Center Grove |
Claude Mckinley Omer |
Grace Dickinson |
| Donald Joseph Orr |
26 February 1907 |
Arnolds Park |
Joseph E. Orr |
Elizabeth E. Hanson |
| J. Donald Orr |
26 February 1907 |
Arnolds Park |
Joseph E. Orr |
Elizabeth E. Hanson |
| Julia Rae Orr |
27 June 1946 |
Dickinson, Ia |
Kenneth Wilson Orr |
Ada Esther Snively |
| Gayle Elaine Orris |
12 March 1940 |
Silver Lake |
Nellon G. Orris |
Gladys I. Graff |
| Louis Orvel Orris |
31 January 1928 |
Silver Lake |
Dave Orris |
Louise Ma... |
| Shirley Ann Van Orsdel |
7 September 1939 |
Milford Twp. |
Joseph Elwen Van Orsdel |
Nellie Rol |
| Irving Theodore Osberg |
9 November 1924 |
Arnolds Park |
Edward Theodore Osberg |
Oella Vinetta Noeris |
| Delores Jayne Osborn |
10 November 1937 |
Okoboji Twp. |
John W. Osborn |
Lucille Wiese |
| Ella Mildred Osborn |
8 February 1884 |
Milford |
Clarence A. Osborn |
Mary Jane Smith |
| Terry Burdette Osgerby |
25 September 1946 |
Dickinson, Ia |
Richard G. M. Osgerby |
Bernice E. A. Mickelson |
| Carol Anne Oster |
22 May 1947 |
Dickinson, Ia |
Donald Joseph Oster |
Ruth Roctman |
| Bernice C. Ostheimer |
2 December 1901 |
Richland |
Millane G. Ostheimer |
Nellie D. Weaver |
| Cecil Ralph Ostheimer |
1 June 1939 |
Diamond Lake |
Cecil Ralph Ostheimer |
Ethel Lucille Baines |
| Helen Marie Ostheimer |
3 November 1908 |
Richland |
L. R. Ostheimer |
Jerusha Hand |
| Joanne Lynn Ottels |
13 August 1946 |
Dickinson, Ia |
John Joseph Ottels |
Dorothy Evelyn Owens |
