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William Schmidt — 1940 US Census Record
Model Tree available1940 United States Federal Census · Ottawa-County, Michigan
Our Model Tree links this William Schmidt across the 1910, 1920, 1930 and 1940 US Censuses in Ottawa-County, Michigan (XGBoost, ~Confirmed), with identified parents William & William — first a head (b.~1907), then head of a 3-person household.
Age 33
b. ~1907
Male
Head
Born: Michigan
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Ottawa-County, Michigan |
| Surname | Schmidt |
| Given Name | William H |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | Allendale |
| 1935 Residence (County) | Ottawa |
| Additional Details | |
| Occupation | Mechanic |
| Industry | Auto business |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 52 |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Mechanic |
| Township / Ward | Allendale |
| Est. Birth Year | ~1907 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Holly Schmidt | Daughter | — | 2 | ~1938 |
| William Schmidt | Head | — | 33 | ~1907 |
| Jessie Schmidt | Spouse | — | 31 | ~1909 |
Census Appearances
1910
Ottawa, Michigan
Son, age 3
Ottawa, Michigan · implied b. ~1907 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schmidt |
| Given Name | William F |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1920
Ottawa, Michigan
Son, age 13
Ottawa, Michigan · implied b. ~1907 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schmidt |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1930
Ottawa, Michigan
Son, age 23
Ottawa, Michigan · implied b. ~1907 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schmidt |
| Given Name | William J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Occupation | Mechanic |
| Industry | Garage |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Ottawa-County, Michigan
Head, age 33
Ottawa-County, Michigan · implied b. ~1907 — 3 household members
| Surname | Schmidt |
| Given Name | William H |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | Allendale |
| 1935 Residence (County) | Ottawa |
| Occupation | Mechanic |
| Industry | Auto business |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 52 |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
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 Schmidt across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Schmidt (~0.92 confidence) and father William Schmidt (~0.92 confidence) and father William Schmidt (~0.92 confidence) and mother Gertrude Schmidt (~0.92 confidence) and mother Gertrude Schmidt (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Schmidt
b. ~1871
Source father
● Household
· direct · ~0.92
Father
William Schmidt
b. ~1875
Source father
● Household
· direct · ~0.92
Father
William Schmidt
b. ~1877
Source father
● Household
· direct · ~0.92
Mother
Gertrude Schmidt
b. ~1877
Source mother
● Household
· direct · ~0.92
Mother
Gertrude Schmidt
b. ~1881
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Schmidt
Head · 1940 · age 33 · b. ~1907 · Michigan
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Ottawa-County, Michigan
Open full size
1940 US Federal Census — Ottawa-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01808-00009)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Harm Kraker | 52 | Head | Farming | Michigan |
| 2 | Dena Kraker | 50 | Wife | — | Illinois |
| 3 | Harold J Kraker | 19 | Son | Carpenter | Michigan |
| 4 | Katherine M Kraker | 17 | Daughter | — | Michigan |
| 5 | Alvin E Kraker | 15 | Son | — | Michigan |
| 6 | Louise Kraker | 9 | Daughter | — | Michigan |
| 7 | Albert Wafcott | 66 | Head | Farming | Germany |
| 8 | Sena Wafcott | 56 | Wife | — | Michigan |
| 9 | Alfred Wafcott | 27 | Son | Teacher | Michigan |
| 10 | Ada Wafcott | 10 | Daughter | — | Michigan |
| 11 | William H Schmidt THIS PERSON | 33 | Head | Mechanic | Michigan |
| 12 | Jessie Schmidt | 31 | Wife | — | Michigan |
| 13 | Holly Schmidt | 2 | Daughter | — | Michigan |
| 14 | Herman Walcott | 37 | Head | Operator | Michigan |
| 15 | Caroline Walcott | 34 | Wife | — | Michigan |
| 16 | Marilyn Ann Walcott | 6 | Daughter | — | Michigan |
| 17 | Russell J Walcott | 4 | Son | — | Michigan |
| 18 | Fred Parish | 73 | Head | — | Michigan |
| 19 | Gertrude Parish | 75 | Wife | — | New York |
| 20 | Gerrit Kraker | 55 | Head | Carpenter | Michigan |
| 21 | Tom Rozema | 50 | Head | — | Michigan |
| 22 | Myra Rozema | 47 | Wife | Housekeeper | Michigan |
| 23 | Ruth Rozema | 15 | Daughter | — | Wyoming |
| 24 | Thomas H Rozema | 13 | Son | — | Wyoming |
| 25 | Edith Rozema | 12 | Daughter | — | Wyoming |
| 26 | Albertus Kraker | 25 | Head | Press Operator | Michigan |
| 27 | Edna Kraker | 26 | Wife | — | Michigan |
| 28 | George A Visser | 70 | Head | Gardening | Pennsylvania |
| 29 | William C Gearhart | 46 | Head | Minister | Michigan |
| 30 | Mildred C Gearhart | 44 | Wife | — | Pennsylvania |
| 31 | Forrest J Gearhart | 19 | Son | — | Michigan |
| 32 | Ezra F Gearhart | 14 | Son | — | Michigan |
| 33 | Lawrence W Gearhart | 11 | Son | — | Michigan |
| 34 | Marcella F Gearhart | 5 | Daughter | — | Michigan |
| 35 | Grace Vonk | 57 | Head | Telephone Operator | Michigan |
| 36 | Helen Vonk | 17 | Daughter | Housekeeper | Michigan |
| 37 | Delbert Sargent | 34 | Son-in-law | Assembler | Michigan |
| 38 | Marie Sargent | 29 | Daughter | — | Michigan |
| 39 | Lawrence Swanson | 31 | Head | Rancher | Michigan |
| 40 | Olive Swanson | 31 | Wife | — | Michigan |
Pedigree Summary
William
Gen 1 · 5 parents
~0.92
Max depth 4 (1900–1950 window)
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)