WC
William Carr — 1940 US Census Record
Model Tree available1940 United States Federal Census · St.-Louis-City-County, Missouri
Our Model Tree links this William Carr across the 1920, 1930 and 1940 US Censuses in St.-Louis-City-County, Missouri (XGBoost, ~Confirmed), with identified parents Julia — first a head (b.~1898), then head of a 5-person household.
Age 42
b. ~1898
Male
Head
Born: Missouri
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Louis-City-County, Missouri |
| Surname | Carr |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | Saint Louis City |
| 1935 Residence (County) | Saint Louis |
| Additional Details | |
| Occupation | Chauffeur |
| Industry | Retail Dairy |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1500 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Occupation | Chauffeur |
| Township / Ward | Saint Louis City |
| Est. Birth Year | ~1898 |
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 |
|---|---|---|---|---|
| Dolores Carr | Daughter | — | 18 | ~1922 |
| William Carr | Head | — | 42 | ~1898 |
| Lorraine Voss | Other | — | 15 | ~1925 |
| William Carr | Son | — | 21 | ~1919 |
| Mary Carr | Spouse | — | 42 | ~1898 |
Census Appearances
1920
St Louis, …
Son, age 22
St Louis, Missouri · implied b. ~1898 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carr |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Occupation | Chauffeur |
| Industry | Private Family |
| Class of Worker | W |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1930
St Louis, …
Head, age 32
St Louis, Missouri · implied b. ~1898 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carr |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Missouri |
| Age at First Marriage | 19 |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Occupation | Chauffeur |
| Industry | Wholesale |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 27.50 |
| Radio Set | R |
| Veteran | No |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
St.-Louis-City-County, Missouri
Head, age 42
St.-Louis-City-County, Missouri · implied b. ~1898 — 5 household members
| Surname | Carr |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | Saint Louis City |
| 1935 Residence (County) | Saint Louis |
| Occupation | Chauffeur |
| Industry | Retail Dairy |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1500 |
| Highest Grade | No 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 Carr across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Julia Carr (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Julia Carr
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Carr
Head · 1940 · age 42 · b. ~1898 · 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.-Louis-City-County, Missouri
Open full size
1940 US Federal Census — St.-Louis-City-County, Missouri
Page Contents
36 people indexed on this census page (nara:1940:m-t0627-02193-00120)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 2 | Harry Leip | 32 | Head | Filling Station Mgr | Illinois |
| 3 | Edna Leip | 34 | Wife | — | Missouri |
| 4 | Harry Leip | 16 | Son | New Worker | Missouri |
| 5 | Albert Leip | 13 | Son | — | Missouri |
| 6 | Shirley Leip | 10 | Daughter | — | Missouri |
| 7 | N. B. Tucker | 55 | Head | — | Missouri |
| 8 | Joseph Tucker | 23 | Son | Laborer | Missouri |
| 9 | George Tucker | 20 | Son | Hosp. Orderly | Missouri |
| 10 | T. J. O'Connell | 42 | Lodger | Telegraph Operator | Missouri |
| 11 | Arthur W. Meyer | 31 | Head | Shoe Cutter | Missouri |
| 12 | Helen Meyer | 28 | Wife | — | Missouri |
| 13 | Laverne Meyer | 8 | Daughter | — | Missouri |
| 14 | Richard Meyer | 6 | Son | — | Missouri |
| 15 | Austin Oliver | 26 | Head | Electric Welder | Illinois |
| 16 | Jean Oliver | 24 | Wife | — | Illinois |
| 17 | Geraldine Oliver | 3 | Daughter | — | Missouri |
| 18 | Jacqueline Oliver | 2 | Daughter | — | Missouri |
| 19 | Jimmy Oliver | 1 | Son | — | Missouri |
| 20 | William Carr THIS PERSON | 42 | Head | Chauffeur | Missouri |
| 21 | Mary Carr | 42 | Wife | — | Missouri |
| 22 | William Carr | 21 | Son | Laborer | Missouri |
| 23 | Dolores Carr | 18 | Daughter | — | Missouri |
| 24 | Lorraine Voss | 15 | Niece | — | Missouri |
| 26 | Henry F. Nabe | 47 | Head | Clerk | Missouri |
| 27 | Marjorie Nabe | 37 | Wife | — | Missouri |
| 28 | Walbert Nabe | 17 | Son | New Worker | Missouri |
| 29 | Audrey Nabe | 18 | Daughter | New Worker | Missouri |
| 30 | Arline Nabe | 14 | Daughter | — | Missouri |
| 32 | Truman L. Rakend | 42 | Head | Salesman | Illinois |
| 33 | Nancy B. Rakend | 42 | Wife | — | West Virginia |
| 34 | Lytle Rakend | 13 | Son | — | Illinois |
| 36 | Joseph C. Faris | 43 | Head | Salesman | Missouri |
| 37 | Kathleen Faris | 40 | Wife | — | Kentucky |
| 38 | Marguerite Faris | 9 | Daughter | — | Missouri |
| 39 | Joseph Faris | 77 | Father | — | Missouri |
| 40 | Florence Wohlstadter | 56 | Sister | Bottler | Missouri |
Pedigree Summary
William
Gen 1 · 1 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)