NB
Nancy Brown — 1940 US Census Record
Model Tree available1940 United States Federal Census · St.-Louis-City-County, Missouri
Our Model Tree links this Nancy Brown across the 1920, 1930 and 1940 US Censuses in St.-Louis-City-County, Missouri (XGBoost, ~Confirmed), with identified parents Mary & Mary — first a daughter (b.~1918), then head of a 4-person household.
Age 22
b. ~1918
Female
Daughter
Born: Missouri
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Louis-City-County, Missouri |
| Surname | Brown |
| Given Name | Nancy |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | St. Louis City |
| 1935 Residence (County) | St. Louis |
| Additional Details | |
| Occupation | secretary |
| Industry | steel foundry |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 236 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Occupation | Secretary |
| Township / Ward | St Louis City |
| Est. Birth Year | ~1918 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Nancy | Age | Birth yr |
|---|---|---|---|---|
| Constance Brown | Daughter | — | 24 | ~1916 |
| Nancy Brown | Daughter | — | 22 | ~1918 |
| Mary Brown | Head | — | 63 | ~1877 |
| Francis Brown | Son | — | 27 | ~1913 |
Census Appearances
1920
St Louis, …
Other, age 2
St Louis, Missouri · implied b. ~1918 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Nancy |
| Relationship to Head | Dau |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Pennsylvania |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1930
St Louis, …
Daughter, age 12
St Louis, Missouri · implied b. ~1918 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Nancy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
St.-Louis-City-County, Missouri
Daughter, age 22
St.-Louis-City-County, Missouri · implied b. ~1918 — 4 household members
| Surname | Brown |
| Given Name | Nancy |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | St. Louis City |
| 1935 Residence (County) | St. Louis |
| Occupation | secretary |
| Industry | steel foundry |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 236 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| 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 Nancy Brown across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Mary Brown (~0.92 confidence) and mother Mary Brown (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Mary Brown
b. ~1877
Source mother
● Household
· direct · ~0.92
Mother
Mary Brown
b. ~1878
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Nancy Brown
Daughter · 1940 · age 22 · b. ~1918 · Missouri
★ You are viewing this record
Sibling
Francis Brown
Sibling · 1940 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Constance Brown
Sibling · 1940 · age 24
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-City-County, Missouri
Open full size
1940 US Federal Census — St.-Louis-City-County, Missouri
Page Contents
37 people indexed on this census page (nara:1940:m-t0627-02208-00279)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Betty Jo Ann Sutton | 15 | daughter | — | Oklahoma |
| 2 | Lydia Christison | 56 | lodger | Seamstress | Illinois |
| 3 | Lee J. Henderson | 26 | lodger | Roofer | Illinois |
| 4 | Lewis W. Lewis | 69 | head | Baker | Illinois |
| 5 | Lula Lewis | 68 | wife | — | Nebraska |
| 6 | John W. Mace | 30 | head | Postal Clerk | Illinois |
| 7 | Eugenia Mace | 28 | wife | — | Illinois |
| 8 | Barbara Mace | 4 | daughter | — | Missouri |
| 9 | Lewis Mace | 2 | son | — | Missouri |
| 10 | Howard Mace | 27 | brother | Truck Driver | Illinois |
| 11 | Clive Wise | 40 | head | Clerk | Iowa |
| 12 | Ora Wise | 61 | mother | — | Iowa |
| 13 | Glenn Wise | 38 | brother | Clerk | Iowa |
| 14 | Jennie Bruening | 67 | aunt | — | Iowa |
| 15 | Ned Brant | 52 | head | Collector | Romania |
| 16 | Veronica Brant | 49 | wife | — | Romania |
| 17 | Olga Brant | 24 | daughter | Stenographer | Romania |
| 18 | Zoltan Brant | 21 | son | Laborer | Romania |
| 19 | William Brant | 18 | son | Typist | Romania |
| 20 | Grover Bowers | 46 | head | Trimmer | Arkansas |
| 21 | Lois Bowers | 40 | wife | Seamstress | Alabama |
| 22 | Grover Jr. Bowers | 18 | son | Chauffeur | Arkansas |
| 26 | Mary Brown | 63 | head | Practical Nurse | Pennsylvania |
| 27 | Francis D. Brown | 27 | son | Interior Decorator | Missouri |
| 28 | Constance Brown | 24 | daughter | Statistician | Missouri |
| 29 | Nancy Brown THIS PERSON | 22 | daughter | Secretary | Missouri |
| 30 | Martha Thomas | 56 | head | — | Arkansas |
| 31 | Elizabeth Hitzert | 73 | head | — | Scotland |
| 32 | Roy Rose | 28 | lodger | Machinist | Missouri |
| 33 | William Rose | 26 | lodger | Upholsterer | Missouri |
| 34 | Robert T. Lopper | 38 | lodger | Salesman | Tennessee |
| 35 | Bess Lopper | 35 | lodger | Stenographer | Alabama |
| 36 | Patricia Lopper | 10 | lodger | — | Illinois |
| 37 | Sarah Mcneill | 63 | lodger | — | Illinois |
| 38 | Catherine Kearney | 64 | head | — | Missouri |
| 39 | Jules Ladriere | 47 | head | Mechanic | Missouri |
| 40 | Sybil Ladriere | 40 | wife | — | Missouri |
Pedigree Summary
Nancy + 2 siblings
Gen 1 · 2 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)