WS
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 1920, 1930 and 1940 US Censuses in Ottawa-County, Michigan (XGBoost, ~Confirmed), with identified parents William & William — first a son (b.~1911), then head of a 4-person household.
Age 29
b. ~1911
Male
Son
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Ottawa-County, Michigan |
| Surname | Schmidt |
| Given Name | William Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Grand Haven Township |
| 1935 Residence (County) | Ottawa |
| Additional Details | |
| Occupation | Stringer |
| Industry | Piano |
| Class of Worker | PW |
| Income (1939) | 320 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Stringer |
| Township / Ward | Grand Haven Township |
| Est. Birth Year | ~1911 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| William Schmidt | Head | — | 72 | ~1868 |
| William Schmidt | Son | — | 29 | ~1911 |
| Charles Schmidt | Son | — | 27 | ~1913 |
| Clara Schmidt | Spouse | — | 65 | ~1875 |
Census Appearances
1920
Ottawa, Michigan
Son, age 9
Ottawa, Michigan · implied b. ~1911 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schmidt |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Germany |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1930
Ottawa, Michigan
Son, age 19
Ottawa, Michigan · implied b. ~1911 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schmidt |
| Given Name | William F. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Germany |
| Occupation | Helper |
| Industry | on gen farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Ottawa-County, Michigan
Son, age 29
Ottawa-County, Michigan · implied b. ~1911 — 4 household members
| Surname | Schmidt |
| Given Name | William Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Grand Haven Township |
| 1935 Residence (County) | Ottawa |
| Occupation | Stringer |
| Industry | Piano |
| Class of Worker | PW |
| Income (1939) | 320 |
| Highest Grade | No 8 |
| 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 3 US Census years (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 mother Clara Schmidt (~0.92 confidence) and mother Clara Schmidt (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Schmidt
b. ~1868
Source father
● Household
· direct · ~0.92
Father
William Schmidt
b. ~1868
Source father
● Household
· direct · ~0.92
Mother
Clara Schmidt
b. ~1871
Source mother
● Household
· direct · ~0.92
Mother
Clara Schmidt
b. ~1875
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Schmidt
Son · 1940 · age 29 · b. ~1911 · Michigan
★ You are viewing this record
Sibling
Charles Schmidt
Sibling · 1940 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
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
33 people indexed on this census page (nara:1940:m-t0627-01808-00534)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Charles Vermeulen | 69 | Head | — | Michigan |
| 2 | John F Slight | 63 | Head | Mason Work | Michigan |
| 3 | Mabel Slight | 58 | Wife | — | Michigan |
| 4 | Alvin Slight | 24 | Son | Chemical Worker | Michigan |
| 5 | Gertrude Slight | 22 | Daughter | Beauty Operator | Michigan |
| 6 | Howard Slight | 21 | Son | School | Michigan |
| 7 | George Schroeder | 34 | Head | Leather Worker | Illinois |
| 8 | Ada Schroeder | 30 | Wife | — | Michigan |
| 9 | Thomas Schroeder | 12 | Son | — | Michigan |
| 10 | Dolores Schroeder | 11 | Daughter | — | Michigan |
| 11 | Charlotte Schroeder | 9 | Daughter | — | Michigan |
| 12 | George Schroeder | 7 | Son | — | Michigan |
| 13 | Arnold Schroeder | 6 | Son | — | Michigan |
| 14 | Phyllis Schroeder | 4 | Daughter | — | Michigan |
| 15 | Sharon Schroeder | 3 | Daughter | — | Michigan |
| 16 | William F Schmidt | 72 | Head | Farmer | Michigan |
| 17 | Clara Schmidt | 65 | Wife | — | Germany |
| 18 | William Jr Schmidt THIS PERSON | 29 | Son | Stringer | Michigan |
| 19 | Charles Schmidt | 27 | Son | Stringer | Michigan |
| 20 | Louis Vorlicek | 45 | Head | Machinist | Czechoslovakia |
| 21 | Filomena Vorlicek | 40 | Wife | — | Czechoslovakia |
| 22 | Holberg Ernest | 60 | Head | Gluing | Michigan |
| 23 | Cora Ernest | 56 | Wife | — | Germany |
| 24 | Mary Gluck | 28 | Daughter | Sanding | Michigan |
| 25 | Walter Gluck | 30 | Son-in-law | Punch Press Operator | Michigan |
| 26 | David Gluck | 2 | Grandson | — | Michigan |
| 27 | John Hadlee | 56 | Head | Carpenter | Jugoslavia |
| 28 | Emily Hadlee | 46 | Wife | — | Poland |
| 29 | Emily Hadlee | 19 | Daughter | — | Michigan |
| 30 | Jack Durnik | 18 | Stepson | — | Michigan |
| 31 | Anthonia Hadlee | 17 | Daughter | — | Michigan |
| 32 | Florence Durnik | 14 | Stepdaughter | — | Michigan |
| 33 | Julia Durnik | 13 | Stepdaughter | — | Michigan |
Related Census Records
Pedigree Summary
William + 1 sibling
Gen 1 · 4 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)