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William Schaefer — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Iowa-County, Iowa
Our Model Tree links this William Schaefer across the 1930 and 1940 US Censuses in Iowa-County, Iowa (XGBoost, ~Confirmed) — first a head (b.~1890), then head of a 6-person household.
Age 50
b. ~1890
Male
Head
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Iowa-County, Iowa |
| Surname | Schaefer |
| Given Name | William J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Iowa Twp |
| 1935 Residence (County) | Iowa |
| Additional Details | |
| Occupation | Farm Worker |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 54 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Farm Worker |
| Township / Ward | Iowa Twp |
| Est. Birth Year | ~1890 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Hilbert Schaefer | Son | — | 17 | ~1923 |
| Frida Schaefer | Spouse | — | 41 | ~1899 |
| Alice Schaefer | Daughter | — | 20 | ~1920 |
| Victor Schaefer | Son | — | 15 | ~1925 |
| William Schaefer | Head | — | 50 | ~1890 |
| Ralph Schaefer | Son | — | 21 | ~1919 |
Census Appearances
1930
Iowa, Iowa
Head, age 40
Iowa, Iowa · implied b. ~1890 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schaefer |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 26 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | Farmer |
| Industry | General farm |
| Class of Worker | VVVV |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Veteran | No |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Iowa-County, Iowa
Head, age 50
Iowa-County, Iowa · implied b. ~1890 — 6 household members
| Surname | Schaefer |
| Given Name | William J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Iowa Twp |
| 1935 Residence (County) | Iowa |
| Occupation | Farm Worker |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 54 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 Schaefer across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Schaefer
Head · 1940 · age 50 · b. ~1890 · Iowa
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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 — Iowa-County, Iowa
Open full size
1940 US Federal Census — Iowa-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01168-00239)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Rose Haitshusen | 49 | Wife | H | Iowa |
| 42 | Dorothy Haitshusen | 18 | Daughter | H | Iowa |
| 43 | Clifford H Haitshusen | 16 | Son | Farm Worker | Iowa |
| 44 | Bernice Haitshusen | 14 | Daughter | — | Iowa |
| 45 | Myrl Haitshusen | 7 | Daughter | — | Iowa |
| 46 | Thos Hy H. Irons | 51 | Head | Farm Manager | Iowa |
| 47 | Dorothy M Irons | 26 | Daughter | H | Iowa |
| 48 | Louise J Irons | 24 | Daughter | H | Iowa |
| 49 | Lillie A Irons | 22 | Daughter | H | Iowa |
| 50 | Rosella A Irons | 19 | Daughter | H | Iowa |
| 51 | Ervin Rehberg | 26 | Hired Hand | Farm Hand | Nebraska |
| 52 | Verner Laufersfeld | 23 | Hired Hand | Farm Hand | Iowa |
| 53 | Fred Lindemann | 49 | Head | Farm Worker | Iowa |
| 54 | Nina May Lindemann | 42 | Wife | H | Iowa |
| 55 | John Stohlmann | 19 | Head | Farm Labor | Iowa |
| 56 | Margaret Stohlmann | 23 | Wife | H | Iowa |
| 57 | John F. Stohlmann | None | Son | — | Iowa |
| 58 | Irvin J. Purdy | 27 | Head | Farm Worker | Iowa |
| 59 | Marie C Purdy | 18 | Wife | H | Iowa |
| 60 | William J. Schaefer THIS PERSON | 50 | Head | Farm Worker | Iowa |
| 61 | Frida J. Schaefer | 41 | Wife | H | Iowa |
| 62 | Ralph H Schaefer | 21 | Son | Farm Laborer | Iowa |
| 63 | Alice D Schaefer | 20 | Daughter | H | Iowa |
| 64 | Hilbert C. Schaefer | 17 | Son | Farm Laborer | Iowa |
| 65 | Victor H Schaefer | 15 | Son | Farm Laborer | Iowa |
| 66 | Albert Rudin | 59 | Head | Farm Worker | Switzerland |
| 67 | Lena M Rudin | 55 | Wife | H | Iowa |
| 68 | Carl H Rudin | 24 | Son | Farm Laborer | Iowa |
| 69 | Ernest M. Baack | 46 | Head | Farm Worker | Iowa |
| 70 | Anna Baack | 42 | Wife | H | Iowa |
| 71 | Florine F Baack | 13 | Daughter | S | Iowa |
| 72 | Alice M Baack | 9 | Daughter | S | Iowa |
| 73 | Dale D. Baack | 8 | Son | S | Iowa |
| 74 | Robyn E Baack | 3 | Son | — | Iowa |
| 75 | Margaret Baack | 78 | Mother | U | Ohio |
| 76 | John H. Baack | 51 | Head | Farm Worker | Iowa |
| 77 | Martha M. Baack | 45 | Wife | H | Iowa |
| 78 | Lloyd J. Trimpe | 6 | Nephew | S | Iowa |
| 79 | Arnold E. Maas | 40 | Head | Farm Worker | Iowa |
| 80 | Ida J Maas | 40 | Wife | H | Iowa |
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)