| Father | Male Everett Hopkinson McDUFFEE |
| Born | 17 Jun 1862 | Lawrence, Essex, Massachusetts |
| Died | 13 Jul 1940 | Sacramento, California |
| Buried | Masonic Lawn Cemetery, Sacramento, California |
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| Married | 23 Nov 1886 | Lawrence, Essex, Massachusetts |
| Father | Jacob McDUFFEE | F99 Group Sheet | |
| Mother | Martha Bradbury HOPKINSON | F99 Group Sheet | |
| Mother | Female Nettie Sarah RICKER |
| Born | 2 Feb 1863 | Acton, York, Maine |
| Died | 14 Jan 1951 | Sacramento, California |
| Buried | Masonic Lawn Cemetery, Sacramento, California |
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| Father | ||
| Mother | ||
| Child 1 | Male Harold Everett McDUFFEE |
| Born | 15 Oct 1887 | Lawrence, Essex, Massachusetts |
| Died | 17 Nov 1887 | Lawrence, Essex, Massachusetts |
| Buried | Bellevue Cemetery, Lawrence, Essex, Massachusetts |
| Child 2 | Male + Walter Ricker McDUFFEE |
| Born | 17 Oct 1888 | Lawrence, Essex, Massachusetts |
| Died | 31 Dec 1938 | Sacramento, California |
| Buried | Masonic Lawn Cemetery, Sacramento, California |
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| Spouse | Cora Gertrude GRAY | F297 | |
| Married | 15 Aug 1914 | Woodbury, Iowa |
| Child 3 | Male + Herbert Spencer McDUFFEE, Sr. |
| Born | 4 Mar 1891 | Lawrence, Essex, Massachusetts |
| Died | 8 Feb 1970 | Sacramento, California |
| Buried | Masonic Lawn Cemetery, Sacramento, California |
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| Spouse | Mildred Joy MEKEEL | F298 | |
| Married | 30 Oct 1919 | Omaha, Douglas, Nebraska |
| Child 4 | Male + Dana Everett McDUFFEE |
| Born | 7 Sep 1893 | Saint Joseph, Buchanan, Missouri |
| Died | 13 Aug 1972 | Emeryville, Alameda, California |
| Buried | Mountain View Cemetery, Oakland, Alameda, California |
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| Spouse | Genevieve SHAVER | F299 | |
| Married | 9 May 1925 | Portland, Multnomah, Oregon |
| Child 5 | Male William Sumner McDUFFEE |
| Born | 1 Feb 1896 | Portland, Multnomah, Oregon |
| Died | 28 May 1971 | San Bernardino, California |
| Buried | Arlington Natl. Cemetery, Arlington, Virginia |
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| Spouse | Ella Emelia SCHMIDT | F300 | |
| Married | ||
| Child 6 | Male + Joseph George McDUFFEE |
| Born | 17 Apr 1899 | Marion, Iowa |
| Died | 14 Sep 1973 | Sacramento, California |
| Buried | Sacramento Veterans Memorial Cemetery, Sacramento, Sacramento, California |
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| Spouse | Irene HENDRICKS | F301 | |
| Married | 21 May 1923 | Dona Ana, New Mexico |
| Spouse | Mary Agnes GITNER | F302 | |
| Married | 1937 | Sacramento, California |