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Beatrice Brown — 1940 US Census Record
Model Tree available1940 United States Federal Census · Decatur-County, Iowa
Our Model Tree links this Beatrice Brown across the 1920, 1930 and 1940 US Censuses in Decatur-County, Iowa (XGBoost, ~Confirmed), with identified parents Maurice & Muriel — first a daughter (b.~1920), then head of a 4-person household.
Age 20
b. ~1920
Female
Daughter
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Decatur-County, Iowa |
| Surname | Brown |
| Given Name | Beatrice A |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Garden Grove Twp |
| 1935 Residence (County) | Decatur Co |
| Additional Details | |
| Occupation | Student |
| Industry | School |
| Class of Worker | NP |
| Hours Worked | 36 |
| Income (1939) | 12 |
| Highest Grade | C 1 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Student |
| Township / Ward | Garden Grove Twp |
| Est. Birth Year | ~1920 |
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 Beatrice | Age | Birth yr |
|---|---|---|---|---|
| Beatrice Brown | Daughter | — | 20 | ~1920 |
| Maurice Brown | Head | — | 53 | ~1887 |
| James Brown | Son | — | 21 | ~1919 |
| Harriet Brown | Spouse | — | 50 | ~1890 |
Census Appearances
1920
Decatur, Iowa
Daughter, age
Decatur, Iowa · implied b. ~1920 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Beatrice K. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | none |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Decatur, Iowa
Daughter, age 10
Decatur, Iowa · implied b. ~1920 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Beatrice E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Decatur-County, Iowa
Daughter, age 20
Decatur-County, Iowa · implied b. ~1920 — 4 household members
| Surname | Brown |
| Given Name | Beatrice A |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Garden Grove Twp |
| 1935 Residence (County) | Decatur Co |
| Occupation | Student |
| Industry | School |
| Class of Worker | NP |
| Hours Worked | 36 |
| Income (1939) | 12 |
| Highest Grade | C 1 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 Beatrice Brown across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Maurice Brown (~0.92 confidence) and father Muriel Brown (~0.92 confidence) and mother Harriet Brown (~0.92 confidence) and mother Harriett Brown (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Maurice Brown
b. ~1887
Source father
● Household
· direct · ~0.92
Father
Muriel Brown
b. ~1888
Source father
● Household
· direct · ~0.92
Mother
Harriet Brown
b. ~1890
Source mother
● Household
· direct · ~0.92
Mother
Harriett Brown
b. ~1893
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Beatrice Brown
Daughter · 1940 · age 20 · b. ~1920 · Iowa
★ You are viewing this record
Sibling
James Brown
Sibling · 1940 · age 21
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 — Decatur-County, Iowa
Open full size
1940 US Federal Census — Decatur-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01154-00518)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Harvey Mcbroom | 7 | Son | — | Iowa |
| 42 | Ronald Mcbroom | 4 | Son | — | Iowa |
| 43 | Samuel N Williams | 61 | Head | Farmer | Illinois |
| 44 | Nellie A Williams | 56 | Wife | — | Nebraska |
| 45 | Claude B Curry | 46 | Head | Farmer | Iowa |
| 46 | Lena L Curry | 42 | Wife | — | Iowa |
| 47 | Jane R Curry | 19 | Daughter | Teacher | Iowa |
| 48 | Dean B Curry | 16 | Son | — | Iowa |
| 49 | Helen E Curry | 14 | Daughter | — | Iowa |
| 50 | James R Curry | 11 | Son | — | Iowa |
| 51 | Clarence Millash | 33 | Head | Farmer | Iowa |
| 52 | O Marie Millash | 33 | Wife | — | Iowa |
| 53 | Carl S Millash | 15 | Son | — | Iowa |
| 54 | Margaret M Millash | 7 | Daughter | — | Iowa |
| 55 | Myron D Millash | 6 | Son | — | Iowa |
| 56 | Martha J Millash | 5 | Daughter | — | Iowa |
| 57 | Anna Pearl Millash | 3 | Daughter | — | Iowa |
| 58 | O. G. Gehlhaar | 69 | Head | Farmer | Germany |
| 59 | Anna M Gehlhaar | 70 | Wife | — | Iowa |
| 60 | Fred W Gehlhaar | 43 | Son | Farmer | Iowa |
| 61 | Egert G Dirks | 29 | Head | Farmer | Iowa |
| 62 | John G Dirks | 75 | Father | — | Illinois |
| 63 | Mary A Dirks | 37 | Sister | — | Iowa |
| 64 | Margaret F Dirks | 16 | Niece | — | Iowa |
| 65 | Glenn R Dirks | 13 | Nephew | — | Iowa |
| 66 | Edwin Petty | 57 | Head | Farmer | Iowa |
| 67 | Mary Jane Petty | 15 | Daughter | — | Iowa |
| 68 | Charles R Himbaugh | 52 | Head | Farmer | Iowa |
| 69 | Julia Ruth Himbaugh | 46 | Wife | — | Iowa |
| 70 | John R Himbaugh | 13 | Son | — | Iowa |
| 71 | Jr, Victor Mcbroom | 36 | Head | Farmer | Iowa |
| 72 | Vera N Mcbroom | 28 | Wife | — | Iowa |
| 73 | Clovis N Mcbroom | 9 | Son | — | Iowa |
| 74 | Richard K Mcbroom | 8 | Son | — | Iowa |
| 75 | Rosalie R Mcbroom | 6 | Daughter | — | Iowa |
| 76 | Kathryn J Mcbroom | 4 | Daughter | — | Iowa |
| 77 | Maurice Brown | 53 | Head | Farmer | Iowa |
| 78 | Harriet Brown | 50 | Wife | — | Iowa |
| 79 | James M Brown | 21 | Son | Laborer | Iowa |
| 80 | Beatrice A Brown THIS PERSON | 20 | Daughter | Student | Iowa |
Pedigree Summary
Beatrice + 1 sibling
Gen 1 · 4 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)