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Edgar Brown — 1940 US Census Record
Model Tree available1940 United States Federal Census · Polk-County, Iowa
Our Model Tree links this Edgar Brown across the 1920, 1930 and 1940 US Censuses in Polk-County, Iowa (XGBoost, ~Confirmed), with identified parents Fred & Fred — first a head (b.~1910), then head of a 5-person household.
Age 30
b. ~1910
Male
Head
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Polk-County, Iowa |
| Surname | Brown |
| Given Name | Edgar L |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Des Moines |
| 1935 Residence (County) | Polk |
| Additional Details | |
| Occupation | Laborer |
| Industry | Building Construction |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1470 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Laborer |
| Township / Ward | Des Moines |
| Est. Birth Year | ~1910 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Edgar | Age | Birth yr |
|---|---|---|---|---|
| Edgar Brown | Head | — | 30 | ~1910 |
| Fred Brown | Son | — | 8 | ~1932 |
| Rochie Brown | Daughter | — | 10 | ~1930 |
| Margaret Brown | Spouse | — | 27 | ~1913 |
| Thelma Brown | Daughter | — | 5 | ~1935 |
Census Appearances
1920
Polk, Iowa
Son, age 11
Polk, Iowa · implied b. ~1909 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Edgar L. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Polk, Iowa
Son, age 21
Polk, Iowa · implied b. ~1909 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Edgar L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | Common Labor |
| Industry | Building |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Polk-County, Iowa
Head, age 30
Polk-County, Iowa · implied b. ~1910 — 5 household members
| Surname | Brown |
| Given Name | Edgar L |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Des Moines |
| 1935 Residence (County) | Polk |
| Occupation | Laborer |
| Industry | Building Construction |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1470 |
| Highest Grade | No 8 |
| 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 Edgar Brown across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Fred Brown (~0.92 confidence) and father Fred Brown (~0.92 confidence) and mother Lillian Brown (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Fred Brown
b. ~1880
Source father
● Household
· direct · ~0.92
Father
Fred Brown
b. ~1881
Source father
● Household
· direct · ~0.92
Mother
Lillian Brown
b. ~1881
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Edgar Brown
Head · 1940 · age 30 · b. ~1910 · Iowa
★ 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 — Polk-County, Iowa
Open full size
1940 US Federal Census — Polk-County, Iowa
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01196-01012)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Marion Chia | 4 | Son | — | Iowa |
| 42 | Frank Chia | 0 | Son | — | Iowa |
| 43 | Fred Brown | 60 | Head | Packer | Iowa |
| 44 | Lillian B Brown | 58 | Wife | — | Iowa |
| 45 | Edgar L Brown THIS PERSON | 30 | Head | Laborer | Iowa |
| 46 | Margaret L Brown | 27 | Wife | — | Iowa |
| 47 | Rochie M Brown | 10 | Daughter | — | Iowa |
| 48 | Fred W Brown | 8 | Son | — | Iowa |
| 49 | Thelma G Brown | 5 | Daughter | — | Iowa |
| 50 | Charles L Brown | 40 | Head | Laborer | Iowa |
| 51 | Cleo M Brown | 43 | Wife | Dishwasher | Iowa |
| 52 | Abraham Lucas | 74 | Head | — | Virginia |
| 53 | Samuel Gibson | 44 | Head | Laborer | Iowa |
| 54 | Florence Gibson | 18 | Wife | — | Arkansas |
| 55 | Chas L Mcneeley | 63 | Head | — | Iowa |
| 56 | Joseph G Dawson | 23 | Head | Laborer | Iowa |
| 57 | Marie L Dawson | 13 | Daughter | — | Iowa |
| 58 | Ruth L Dawson | 0 | Daughter | — | Iowa |
| 59 | John V Money | 25 | Head | Laborer | Iowa |
| 60 | Bessie L Money | 18 | Wife | — | Iowa |
| 61 | John D Money | 0 | Son | — | Iowa |
| 62 | Aaron Jennings | 37 | Head | Laborer | Missouri |
| 63 | Daisy Jennings | 34 | Wife | — | Iowa |
| 64 | Aaron Jr Jennings | 14 | Son | — | Iowa |
| 65 | Joseph Jennings | 12 | Son | — | Iowa |
| 66 | Mary L Jennings | 6 | Daughter | — | Iowa |
| 67 | Richard T Jennings | 3 | Son | — | Iowa |
| 68 | Howard Courtney | 27 | Head | Laborer | Missouri |
| 69 | Ethel A Courtney | 23 | Wife | — | Missouri |
| 70 | Martha G Courtney | 1 | Daughter | — | Iowa |
| 71 | Raymond Jennings | 32 | Head | Laborer | Missouri |
| 72 | Crystal Jennings | 27 | Wife | — | Iowa |
| 73 | Gloria G Jennings | 10 | Daughter | — | Iowa |
| 74 | Norma J Jennings | 6 | Daughter | — | Iowa |
| 75 | Velma J Jennings | 2 | Daughter | — | Iowa |
| 76 | Blas Ortega | 31 | Head | Laborer | Mexico |
| 77 | Mary Ortega | 27 | Wife | — | Mexico |
| 78 | Belen Ortega | 8 | Son | — | Iowa |
| 79 | Abelina Ortega | 6 | Daughter | — | Iowa |
Pedigree Summary
Edgar
Gen 1 · 3 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)