WD
William Decker — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Manitowoc-County, Wisconsin
Our Model Tree links this William Decker across the 1930 and 1940 US Censuses in Manitowoc-County, Wisconsin (XGBoost, ~Confirmed) — first a head (b.~1888), then head of a 12-person household.
Age 52
b. ~1888
Male
Head
Born: Wisconsin
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Manitowoc-County, Wisconsin |
| Surname | Decker |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Towny Meeme |
| 1935 Residence (County) | Manitowoc |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 98 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
| Occupation | Farmer |
| Township / Ward | Towny Meeme |
| Est. Birth Year | ~1888 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
12 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Joseph Decker | Son | — | 22 | ~1918 |
| James Decker | Son | — | 10 | ~1930 |
| Martin Rohsfeld | Son | — | 4 | ~1936 |
| Carol Rohsfeld | Daughter | — | 2 | ~1938 |
| Edna Rohsfeld | Spouse | — | 30 | ~1910 |
| Francis Decker | Son | — | 14 | ~1926 |
| Elizabeth Decker | Other | — | 82 | ~1858 |
| Harvey Rohsfeld | Son | — | 9 | ~1931 |
| Nellie Decker | Spouse | — | 42 | ~1898 |
| Lorraine Rohsfeld | Daughter | — | 11 | ~1929 |
| William Decker | Head | — | 52 | ~1888 |
| Loyola Decker | Daughter | — | 20 | ~1920 |
Census Appearances
1930
Manitowoc, Wisconsin
Other, age 42
Manitowoc, Wisconsin · implied b. ~1888 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Decker |
| Given Name | William |
| Relationship to Head | O |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| Age at First Marriage | 27 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Wisconsin |
| Occupation | Farming |
| Industry | Own farm |
| Class of Worker | VVVV |
| Can Read/Write | Yes |
| Radio Set | R |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1940
Manitowoc-County, Wisconsin
Head, age 52
Manitowoc-County, Wisconsin · implied b. ~1888 — 12 household members
| Surname | Decker |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Towny Meeme |
| 1935 Residence (County) | Manitowoc |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 98 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links William Decker across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
William Decker
Head · 1940 · age 52 · b. ~1888 · Wisconsin
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Manitowoc-County, Wisconsin
Open full size
1940 US Federal Census — Manitowoc-County, Wisconsin
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04495-00148)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | William Decker THIS PERSON | 52 | Head | Farmer | Wisconsin |
| 42 | Nellie Decker | 42 | Wife | — | Nebraska |
| 43 | Joseph Decker | 22 | Son | Truck Driver | Wisconsin |
| 44 | Loyola Decker | 20 | Daughter | Filing Clerk | Wisconsin |
| 45 | Francis Decker | 14 | Son | Farm Help | Wisconsin |
| 46 | James Decker | 10 | Son | — | Wisconsin |
| 47 | Elizabeth Decker | 82 | Mother | — | Wisconsin |
| 48 | Edna Rohsfeld | 30 | Wife | — | Wisconsin |
| 49 | Lorraine Rohsfeld | 11 | Daughter | — | Wisconsin |
| 50 | Harvey Rohsfeld | 9 | Son | — | Wisconsin |
| 51 | Martin Rohsfeld | 4 | Son | — | Wisconsin |
| 52 | Carol Rohsfeld | 2 | Daughter | — | Wisconsin |
| 53 | Fred Miller | 45 | Head | Farmer | Wisconsin |
| 54 | Mary Miller | 37 | Wife | — | Colorado |
| 55 | Leo Miller | 17 | Son | Farm Help | Wisconsin |
| 56 | Wilfred Miller | 15 | Son | Farm Help | Wisconsin |
| 57 | Dan Pippard | 62 | Head | Farmer | Wisconsin |
| 58 | Mary Pippard | 55 | Sister | — | Wisconsin |
| 59 | Alice O'Connor | 72 | Sister | — | Wisconsin |
| 60 | Joseph Holfeltz | 51 | Head | Farmer | Wisconsin |
| 61 | Mary Holfeltz | 74 | Mother | — | Wisconsin |
| 62 | John Holfeltz | 40 | Brother | Painting | Wisconsin |
| 63 | Elsie Holfeltz | 14 | Nephew | — | Wisconsin |
| 64 | Irene Holfeltz | 11 | Niece | — | Wisconsin |
| 65 | Theodore Bonde | 52 | Head | Farmer | Wisconsin |
| 66 | Norbert Bonde | 28 | Son | Roofing | Wisconsin |
| 67 | Alex Bonde | 17 | Son | Farmer | Wisconsin |
| 68 | Frederick Bonde | 14 | Son | — | Wisconsin |
| 69 | Marion Bonde | 10 | Daughter | — | Wisconsin |
| 70 | Donald Bonde | 10 | Son | — | Wisconsin |
| 71 | Roman Bonde | 9 | Son | — | Wisconsin |
| 72 | Alfred Stein | 21 | Son-in-law | Farm Help | Wisconsin |
| 73 | Irene Stein | 18 | Daughter | — | Wisconsin |
| 74 | Alfred Stein | 0 | Grand-son | — | Wisconsin |
| 75 | John Ahl | 38 | Head | Farmer | Wisconsin |
| 76 | George Ahl | 49 | Brother | — | Wisconsin |
| 77 | Lillian Lutzke | 25 | Sister | Housework | Wisconsin |
| 78 | Bernard Lutzke | 7 | Nephew | — | Wisconsin |
| 79 | Ronald Lutzke | 1 | Nephew | — | Wisconsin |
| 80 | Bernard Bonde | 26 | Hired boy | Farm Help | Wisconsin |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)