| Father | Male Louis DeCoster |
| Born | 21 Dec 1889 | Freedom, Outagamie Co, Wisconsin |
| Died | 08 Mar 1938 | Outagamie Co, Wisconsin |
| Buried | St John Cemetery, Little Chute, Outagamie, Wisconsin |
|
| Married | 15 Apr 1913 | Freedom, Outagamie Co, Wisconsin |
| Father | Andrew DeCoster | F2984 Group Sheet | |
| Mother | Elizabeth Lanser | F2984 Group Sheet | |
| Mother | Female Mary B Verhagen |
| Born | 18 Jan 1891 | Kaukauna, Outagamie, Wisconsin |
| Died | 12 Aug 1973 | Little Chute, Outagamie, Wisconsin |
| Buried | St John Cemetery, Little Chute, Outagamie, Wisconsin |
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| Father | Louis Verhagen | F3545 Group Sheet | |
| Mother | Mary Romenesko | F3545 Group Sheet | |
| Child 1 | Male Clarence Joseph DeCoster |
| Born | 20 Oct 1914 | Little Chute, Outagamie, Wisconsin |
| Died | 19 Mar 1986 | Appleton, Outagamie, Wisconsin |
| Buried | Highland Memorial Park, Appleton, Outagamie Co, Wisconsin |
|
| Spouse | Barbara B Lom | F11842 | |
| Married | 1936 | |
| Child 2 | Male Richard A DeCoster |
| Born | 23 Nov 1915 | Little Chute, Outagamie, Wisconsin |
| Died | 12 Aug 1998 | Appleton, Outagamie, Wisconsin |
| Buried | St John Cemetery, Little Chute, Outagamie, Wisconsin |
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| Spouse | Christine T Hakkert | F11845 | |
| Married | 18 Oct 1945 | Kimberly, Outagamie, Wisconsin |
| Child 3 | Male Joseph DeCoster |
| Born | 27 Nov 1917 | Little Chute, Outagamie, Wisconsin |
| Died | 29 Sep 1975 | |
| Buried | St John Cemetery, Little Chute, Outagamie, Wisconsin |
| Child 4 | Male Raymond Joseph DeCoster |
| Born | 01 Sep 1919 | Little Chute, Outagamie, Wisconsin |
| Died | 15 Sep 2005 | Appleton, Outagamie, Wisconsin |
| Buried | Highland Memorial Park, Appleton, Outagamie Co, Wisconsin |
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| Spouse | Barbara Antonetta Catherine Dercks | F11850 | |
| Married | 23 Aug 1947 | St John Nepomucene Church, Little Chute, Outagamie, Wisconsin |
| Child 5 | Female Lucina Margaret DeCoster |
| Born | 27 Mar 1921 | Combined Locks, Outagamie, Wisconsin |
| Died | 01 Sep 1992 | Appleton, Outagamie, Wisconsin |
| Buried | Brillion, Calumet Co, Wisconsin |
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| Spouse | Charles Anthony Miller | F11854 | |
| Married | 03 Jun 1941 | Combined Locks, Outagamie, Wisconsin |
| Child 6 | Male Lester DeCoster |
| Born | 08 Jul 1923 | |
| Died | 17 Sep 1925 | |
| Buried | St John Cemetery, Little Chute, Outagamie, Wisconsin |
| Child 7 | Male Robert Stephen Arthur DeCoster |
| Born | 25 Dec 1924 | Little Chute, Outagamie, Wisconsin |
| Died | 03 Dec 1988 | Little Chute, Outagamie, Wisconsin |
| Buried | St John Cemetery, Little Chute, Outagamie, Wisconsin |
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| Spouse | Regina Sanders | F11861 | |
| Married | 08 Sep 1951 | Kaukauna, Outagamie, Wisconsin |
| Child 8 | Male Chester DeCoster |
| Born | 09 Jan 1926 | Little Chute, Outagamie, Wisconsin |
| Died | 02 Nov 2001 | Green Bay, Brown, Wisconsin |
| Buried | St John Cemetery, Little Chute, Outagamie, Wisconsin |
| Child 9 | Female Marion DeCoster |
| Born | 20 Aug 1929 | Little Chute, Outagamie, Wisconsin |
| Died | 11 Aug 2006 | Appleton, Outagamie, Wisconsin |
| Buried | St John Cemetery, Little Chute, Outagamie, Wisconsin |