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William Simon — 1940 US Census Record
Model Tree available1940 United States Federal Census · St.-Charles-County, Missouri
Our Model Tree links this William Simon across the 1910, 1920, 1930 and 1940 US Censuses in St.-Charles-County, Missouri (XGBoost, ~Confirmed), with identified parents Simon & Lizzie — first a head (b.~1903), then head of a 5-person household.
Age 37
b. ~1903
Male
Head
Born: Missouri
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Charles-County, Missouri |
| Surname | Simon |
| Given Name | William O |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | Portage Des Sioux |
| 1935 Residence (County) | St. Charles |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 54 |
| Income (1939) | 0 |
| Highest Grade | 7 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Occupation | Farmer |
| Township / Ward | Portage Des Sioux |
| Est. Birth Year | ~1903 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Catherine Simon | Spouse | — | 35 | ~1905 |
| Kenneth Simon | Son | — | 8 | ~1932 |
| William Simon | Head | — | 37 | ~1903 |
| Rose-Ann Simon | Daughter | — | 13 | ~1927 |
| Jeanette Simon | Daughter | — | 5 | ~1935 |
Census Appearances
1910
St Charles, …
Son, age 7
St Charles, Missouri · implied b. ~1903 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Simon |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1920
St Charles, …
Son, age 17
St Charles, Missouri · implied b. ~1903 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Simon |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | Farm labourer |
| Industry | Working out |
| Class of Worker | W |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Mother Tongue | German |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1930
St Charles, …
Head, age 27
St Charles, Missouri · implied b. ~1903 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Simon |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Missouri |
| Age at First Marriage | 23 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | Farmer |
| Industry | General farm |
| Class of Worker | E |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Veteran | no |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
St.-Charles-County, Missouri
Head, age 37
St.-Charles-County, Missouri · implied b. ~1903 — 5 household members
| Surname | Simon |
| Given Name | William O |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | Portage Des Sioux |
| 1935 Residence (County) | St. Charles |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 54 |
| Income (1939) | 0 |
| Highest Grade | 7 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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 Simon across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Simon 146 140 (~0.92 confidence) and mother Lizzie Simon (~0.92 confidence) and mother Mary Simon (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Simon 146 140
b. ~1865
Source father
● Household
· direct · ~0.92
Mother
Lizzie Simon
b. ~1865
Source mother
● Household
· direct · ~0.92
Mother
Mary Simon
b. ~1859
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Simon
Head · 1940 · age 37 · b. ~1903 · Missouri
★ 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 — St.-Charles-County, Missouri
Open full size
1940 US Federal Census — St.-Charles-County, Missouri
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02145-00319)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John A Echile | 59 | Head | Farmer | Missouri |
| 2 | Anna Echile | 57 | Wife | — | Missouri |
| 3 | Ruth Echile | 17 | Daughter | — | Missouri |
| 4 | Olga Echile | 14 | Daughter | — | Missouri |
| 5 | John Echile | 10 | Son | — | Missouri |
| 6 | William O Simon THIS PERSON | 37 | Head | Farmer | Missouri |
| 7 | Catherine Simon | 35 | Wife | — | Missouri |
| 8 | Rose-Ann Simon | 13 | Daughter | — | Missouri |
| 9 | Kenneth Simon | 8 | Son | — | Missouri |
| 10 | Jeanette Simon | 5 | Daughter | — | Missouri |
| 11 | Lewis J. Black | 73 | Head | Caretaker | Illinois |
| 12 | William Borgschulte | 45 | Head | — | Missouri |
| 13 | Irene Borgschulte | 43 | Wife | — | Missouri |
| 14 | Elmer Bernard Borgschulte | 21 | Son | House Work | Missouri |
| 15 | Linus Borgschulte | 19 | Son | — | Missouri |
| 16 | Clifford Borgschulte | 18 | Son | Farm Laborer | Missouri |
| 17 | Betty Borgschulte | 11 | Daughter | — | Missouri |
| 18 | Mildred Borgschulte | 8 | Daughter | — | Missouri |
| 19 | Edwin O Ortmann | 43 | Head | Farm Operator | Missouri |
| 20 | Edwin Ortmann | 20 | Son | Farm Laborer | Missouri |
| 21 | Wilfred Ortmann | 19 | Son | — | Missouri |
| 22 | Albert Ortmann | 17 | Son | — | Missouri |
| 23 | Lucille Ortmann | 15 | Daughter | — | Missouri |
| 24 | Arthur Ortmann | 12 | Son | — | Missouri |
| 25 | Ralph Ortmann | 10 | Son | — | Missouri |
| 26 | Harold Ortmann | 8 | Son | — | Missouri |
| 27 | Elmer Ortmann | 6 | Son | — | Missouri |
| 28 | Henry Schriefer | 24 | Lodger | Farm Manager | Missouri |
| 29 | Amos O Godfrey | 36 | Head | Farmer | Missouri |
| 30 | Anna Godfrey | 34 | Wife | House Keeping | Missouri |
| 31 | Bernard Godfrey | 24 | Son | Farm Laborer | Missouri |
| 32 | Catherine Godfrey | 16 | Daughter | — | Missouri |
| 33 | Charles Godfrey | 12 | Son | — | Missouri |
| 34 | Arthur D Wooster | 35 | Head | Laborer | Nebraska |
| 35 | Eleanor Wooster | 20 | Wife | — | Missouri |
| 36 | Gloria Wooster | 4 | Daughter | — | Missouri |
| 37 | Jane Wooster | 1 | Daughter | — | Missouri |
| 38 | Henry D Fuerse | 49 | Head | Farmer | Missouri |
| 39 | Catherine Fuerse | 43 | Wife | — | Missouri |
| 40 | Lorraine Fuerse | 20 | Daughter | Office Work | Missouri |
Pedigree Summary
William
Gen 1 · 3 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)