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Frank Brown — 1940 US Census Record
Model Tree available1940 United States Federal Census · St.-Louis-County, Missouri
Our Model Tree links this Frank Brown across the 1920, 1930 and 1940 US Censuses in St.-Louis-County, Missouri (XGBoost, ~Confirmed), with identified parents Nellie — first a head (b.~1902), then head of a 6-person household.
Age 38
b. ~1902
Male
Head
Born: Missouri
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Louis-County, Missouri |
| Surname | Brown |
| Given Name | Frank |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | Valley Park |
| 1935 Residence (County) | St Louis |
| Additional Details | |
| Occupation | Laborer |
| Industry | WPA Park Maintenance |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 432 |
| Highest Grade | No 8 |
| 1935 Residence | Missouri |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Occupation | Laborer |
| Township / Ward | Allenton |
| Est. Birth Year | ~1902 |
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 Frank | Age | Birth yr |
|---|---|---|---|---|
| Virginia Brown | Daughter | — | 6 | ~1934 |
| Alice Brown | Daughter | — | 2 | ~1938 |
| Francis Brown | Daughter | — | 12 | ~1928 |
| Frank Brown | Head | — | 38 | ~1902 |
| Leroy Brown | Son | — | 9 | ~1931 |
| Margie Brown | Spouse | — | 32 | ~1908 |
Census Appearances
1920
St Louis, …
Son, age 18
St Louis, Missouri · implied b. ~1902 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1930
St Louis, …
Head, age 28
St Louis, Missouri · implied b. ~1902 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Frank |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Missouri |
| Age at First Marriage | 22 |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Occupation | Laborer |
| Industry | Ford Motor |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 18.00 |
| Radio Set | No |
| Veteran | No |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
St.-Louis-County, Missouri
Head, age 38
St.-Louis-County, Missouri · implied b. ~1902 — 6 household members
| Surname | Brown |
| Given Name | Frank |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | Valley Park |
| 1935 Residence (County) | St Louis |
| Occupation | Laborer |
| Industry | WPA Park Maintenance |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 432 |
| Highest Grade | No 8 |
| 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 Frank Brown across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Nellie Brown (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Nellie Brown
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Frank Brown
Head · 1940 · age 38 · b. ~1902 · 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-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-t0627-02151-00833)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Robert E Allen | 69 | Head | — | Missouri |
| 2 | Mae Margaret Allen | 50 | Wife | — | Missouri |
| 3 | Cora Mae Allen | 29 | Daughter | House Work | Missouri |
| 4 | Robert Edmond Allen | 27 | Son | Attendant | Missouri |
| 5 | Deloris Norma Allen | 19 | Daughter | House Work | Missouri |
| 6 | Ray C Allen | 16 | Son | — | Missouri |
| 7 | Raymond L Allen | 14 | Son | — | Missouri |
| 8 | Donald M Allen | 11 | Son | — | Missouri |
| 9 | Marcella Allen | 6 | Daughter | — | Missouri |
| 10 | Edward Trower | 70 | Head | Wood Cutter | Missouri |
| 11 | Lucena Trower | 60 | Sister | Cook | Missouri |
| 12 | John Tucker | 46 | Head | Laborer | Missouri |
| 13 | Virginia Tucker | 48 | Wife | — | Missouri |
| 14 | Ruby Tucker | 20 | Daughter | House Work | Missouri |
| 15 | Ralph Tucker | 18 | Son | Laborer | Missouri |
| 16 | Ruth M Tucker | 15 | Daughter | — | Missouri |
| 17 | Ernest L Tucker | 9 | Son | — | Missouri |
| 18 | Kenneth D Tucker | 4 | Son | — | Missouri |
| 19 | Frank Brown THIS PERSON | 38 | Head | Laborer | Missouri |
| 20 | Margie Brown | 32 | Wife | — | Missouri |
| 21 | Francis Brown | 12 | Daughter | — | Missouri |
| 22 | Leroy Brown | 9 | Son | — | Missouri |
| 23 | Virginia Brown | 6 | Daughter | — | Missouri |
| 24 | Alice Brown | 2 | Daughter | — | Missouri |
| 25 | Hortense Maud Allen | 54 | Head | — | Missouri |
| 26 | Phillip Jaeger | 35 | Son-in-law | Laborer | Missouri |
| 27 | Viola Jaeger | 35 | Daughter | — | Missouri |
| 28 | Lodell B Jaeger | 4 | Grand-daughter | — | Missouri |
| 29 | Lucie Johnson | 73 | Head | — | Indiana |
| 30 | Harry Johnson | 27 | Son | Farm Laborer | Missouri |
| 31 | Louis Valle | 55 | Head | — | Missouri |
| 32 | Elbert Delmaine | 42 | Head | Laborer | Missouri |
| 33 | Agnes Delmaine | 33 | Wife | — | Missouri |
| 34 | Lola Delmaine | 15 | Daughter | — | Missouri |
| 35 | Elbert Delmaine | 14 | Son | — | Missouri |
| 36 | Leona Delmaine | 12 | Daughter | — | Missouri |
| 37 | Ruby Delmaine | 9 | Daughter | — | Missouri |
| 38 | Bernard Delmaine | 6 | Son | — | Missouri |
| 39 | Darrel Delmaine | 3 | Son | — | Missouri |
| 40 | Dave Lewis | 50 | Head | Laborer | Missouri |
Pedigree Summary
Frank
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)