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James Vance — 1940 US Census Record
Linked across censuses1940 United States Federal Census · St.-Louis-County, Missouri
Our Model Tree links this James Vance across the 1930 and 1940 US Censuses in St.-Louis-County, Missouri (XGBoost, ~Confirmed) — first a son (b.~1933), then head of a 6-person household.
Age 7
b. ~1933
Male
Son
Born: Missouri
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Louis-County, Missouri |
| Surname | Vance |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | St Louis |
| 1935 Residence (County) | St Louis |
| Additional Details | |
| Highest Grade | 2 |
| 1935 Residence | Missouri |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Township / Ward | Ferguson |
| Est. Birth Year | ~1933 |
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 |
|---|---|---|---|---|
| James Vance | Son | — | 7 | ~1933 |
| John Vance | Son | — | 9 | ~1931 |
| Ellen Vance | Daughter | — | 12 | ~1928 |
| Henry Vance | Head | — | 41 | ~1899 |
| Alice Vance | Spouse | — | 37 | ~1903 |
| Martha Vance | Daughter | — | 11 | ~1929 |
Census Appearances
1930
St Louis, …
Other, age 2
St Louis, Missouri · implied b. ~1928 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Vance |
| Given Name | James H. |
| Sex | M |
| Color / Race | Black |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
St.-Louis-County, Missouri
Son, age 7
St.-Louis-County, Missouri · implied b. ~1933 — 6 household members
| Surname | Vance |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | St Louis |
| 1935 Residence (County) | St Louis |
| Highest Grade | 2 |
| 1935 Residence | Missouri |
| 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 Vance across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Vance
Son · 1940 · age 7 · b. ~1933 · Missouri
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Sibling
Martha Vance
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Vance
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ellen Vance
Sibling · 1940 · age 12
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 — St.-Louis-County, Missouri
Open full size
1940 US Federal Census — St.-Louis-County, Missouri
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02154-00030)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Joseph E Clement | 38 | Head | Salesman | Missouri |
| 2 | Dorothy Clement | 35 | Wife | — | Missouri |
| 3 | Jack E Clement | 12 | Son | — | Texas |
| 4 | William M Clement | 11 | Son | — | Texas |
| 5 | Doris L Clement | 4 | Daughter | — | Missouri |
| 6 | Grant E Mahneke | 44 | Head | Superintendent | Missouri |
| 7 | Harriet Mahneke | 35 | Wife | — | Missouri |
| 8 | Bernice Mahneke | 8 | Daughter | — | Missouri |
| 9 | Martin H Taylor | 47 | Head | Captain | Texas |
| 10 | Juanita Taylor | 45 | Wife | — | Texas |
| 11 | Pat G Taylor | 11 | Son | — | Texas |
| 12 | Marjorie Taylor | 10 | Daughter | — | Texas |
| 13 | Lawrence Prokott | 36 | Head | Underwriter | Nebraska |
| 14 | Madine Prokott | 35 | Wife | — | Missouri |
| 15 | Muriel A Prokott | 4 | Daughter | — | Missouri |
| 16 | Henry Vance | 41 | Head | Manager | Arkansas |
| 17 | Alice Vance | 37 | Wife | — | Missouri |
| 18 | Ellen Vance | 12 | Daughter | — | Missouri |
| 19 | Martha Vance | 11 | Daughter | — | Missouri |
| 20 | John Vance | 9 | Son | — | Missouri |
| 21 | James Vance THIS PERSON | 7 | Son | — | Missouri |
| 22 | Morris E Knight | 35 | Head | Pilot | Missouri |
| 23 | Ruth Knight | 27 | Wife | — | Illinois |
| 24 | Elaine Knight | 5 | Daughter | — | China |
| 25 | Morris E Jr Knight | 3 | Son | — | Missouri |
| 26 | Lesta Thomas | 20 | Maid | Maid | Louisiana |
| 27 | Edward L Bertram | 44 | Head | Customer | Missouri |
| 28 | Anne Bertram | 46 | Wife | — | Missouri |
| 29 | Mildred Bertram | 25 | Daughter | Salesman | Missouri |
| 30 | Beatrice Bertram | 23 | Daughter | Clerk | Missouri |
| 31 | Cecelia Bertram | 22 | Daughter | Operator | Missouri |
| 32 | Ivon Bertram | 20 | Son | Utility Man | Missouri |
| 33 | Aris A Briggs | 54 | Head | Publisher | Illinois |
| 34 | Alma Briggs | 55 | Wife | — | Missouri |
| 35 | Kathryn Fahey | 57 | Head | — | Missouri |
| 36 | Martin Fahey | 26 | Son | Special Agent | Missouri |
| 37 | Thomas Fahey | 20 | Son | Office Clerk | Missouri |
| 38 | William Gerea | 38 | Head | Clerk | Missouri |
| 39 | Adelle Gerea | 31 | Wife | — | Missouri |
| 40 | Ronald Gerea | 5 | 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)