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James Sparks — 1940 US Census Record
Linked across censuses1940 United States Federal Census · St.-Louis-City-County, Missouri
Our Model Tree links this James Sparks across the 1930 and 1940 US Censuses in St.-Louis-City-County, Missouri (XGBoost, ~Confirmed) — first a head (b.~1904), then head of a 6-person household.
Age 36
b. ~1904
Male
Head
Born: Missouri
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Louis-City-County, Missouri |
| Surname | Sparks |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | St Louis (city) |
| 1935 Residence (County) | No County |
| Additional Details | |
| Occupation | TAXI CHAUFFEUR |
| Industry | CAB COMPANY |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 720 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Occupation | Taxi Chauffeur |
| Township / Ward | St Louis City |
| Est. Birth Year | ~1904 |
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 James | Age | Birth yr |
|---|---|---|---|---|
| Olive Sparks | Spouse | — | 35 | ~1905 |
| Lalley Sparks | Daughter | — | 15 | ~1925 |
| James Sparks | Head | — | 36 | ~1904 |
| William Sparks | Son | — | 10 | ~1930 |
| James Sparks | Son | — | 11 | ~1929 |
| Betty Sparks | Daughter | — | 13 | ~1927 |
Census Appearances
1930
St Louis, …
Head, age 26
St Louis, Missouri · implied b. ~1904 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sparks |
| Given Name | James W |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Missouri |
| Age at First Marriage | 19 |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Occupation | Chauffeur |
| Industry | Taxi |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 40 |
| Radio Set | R |
| Veteran | No |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
St.-Louis-City-County, Missouri
Head, age 36
St.-Louis-City-County, Missouri · implied b. ~1904 — 6 household members
| Surname | Sparks |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | St Louis (city) |
| 1935 Residence (County) | No County |
| Occupation | TAXI CHAUFFEUR |
| Industry | CAB COMPANY |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 720 |
| Highest Grade | No 8 |
| 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 James Sparks across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
James Sparks
Head · 1940 · age 36 · b. ~1904 · Missouri
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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 — St.-Louis-City-County, Missouri
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1940 US Federal Census — St.-Louis-City-County, Missouri
Page Contents
27 people indexed on this census page (nara:1940:m-t0627-02207-00713)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | George Kalin | 32 | Head | Mailcarrier | Missouri |
| 2 | Mary Kalin | 31 | Wife | — | Missouri |
| 3 | Catherine Kalin | 6 | Daughter | — | Missouri |
| 4 | Theresa Kalin | 61 | Head | — | Missouri |
| 5 | John Kalin | 30 | Son | Stock Clerk | Missouri |
| 6 | Milton Curtis | 34 | Head | Paperhanger | Illinois |
| 7 | Geneva Curtis | 38 | Wife | — | Missouri |
| 8 | Everett Croup | 38 | Lodger | Door Assembler | Missouri |
| 9 | Daniel Murray | 72 | Lodger | — | Missouri |
| 11 | William Cole | 72 | Head | 20 | Missouri |
| 12 | Mary Cole | 61 | Wife | — | Missouri |
| 13 | Eugene Cole | 26 | Son | Bottler | Missouri |
| 14 | Frank Roach | 53 | Head | Inspecting + Repairing | Illinois |
| 15 | Lettie Helen Roach | 52 | Wife | Cook | Illinois |
| 16 | John Roach | 25 | Son | Manager | Illinois |
| 17 | Jerome Roach | 20 | Son | Clerk | Missouri |
| 18 | Charles Roach | 17 | Son | — | Missouri |
| 19 | Mary Roach | 14 | Daughter | — | Missouri |
| 20 | James Roach | 9 | Son | — | Missouri |
| 21 | Arthur Schlosser | 32 | Head | Truck Loader | Illinois |
| 22 | Jane Schlosser | 26 | Wife | Waitress | Kentucky |
| 23 | James Sparks THIS PERSON | 36 | Head | Taxi Chauffeur | Missouri |
| 24 | Olive Sparks | 35 | Wife | — | Illinois |
| 25 | Lalley Sparks | 15 | Daughter | — | Missouri |
| 26 | Betty Sparks | 13 | Daughter | — | Missouri |
| 27 | James Sparks | 11 | Son | — | Missouri |
| 28 | William Sparks | 10 | Son | — | Missouri |
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)