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Earl Brown — 1940 US Census Record
Model Tree available1940 United States Federal Census · Mercer-County, Illinois
Our Model Tree links this Earl Brown across the 1920, 1930 and 1940 US Censuses in Mercer-County, Illinois (XGBoost, ~Confirmed), with identified parents William & William — first a son (b.~1919), then head of a 8-person household.
Age 21
b. ~1919
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Mercer-County, Illinois |
| Surname | Brown |
| Given Name | Earl |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (County) | Mercer |
| Additional Details | |
| Occupation | Truck driver |
| Industry | Side Camp Construction |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 245 |
| Highest Grade | No 8 |
| 1935 Residence | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Truck Driver |
| Township / Ward | New Boston City |
| Est. Birth Year | ~1919 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Earl | Age | Birth yr |
|---|---|---|---|---|
| Molly Brown | Daughter | — | 10 | ~1930 |
| Stella Brown | Daughter | — | 16 | ~1924 |
| Charlotte Brown | Head | — | 46 | ~1894 |
| Louis Mosher | Other | — | 9 | ~1931 |
| Earl Brown | Son | — | 21 | ~1919 |
| Donald Brown | Son | — | 19 | ~1921 |
| Lymbury Brown | Son | — | 9 | ~1931 |
| Robert Brown | Son | — | 12 | ~1928 |
Census Appearances
1920
Mercer, Illinois
Son, age 1
Mercer, Illinois · implied b. ~1919 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Earl |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Mercer, Illinois
Son, age 11
Mercer, Illinois · implied b. ~1919 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Earl |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Mercer-County, Illinois
Son, age 21
Mercer-County, Illinois · implied b. ~1919 — 8 household members
| Surname | Brown |
| Given Name | Earl |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (County) | Mercer |
| Occupation | Truck driver |
| Industry | Side Camp Construction |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 245 |
| Highest Grade | No 8 |
| 1935 Residence | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Earl Brown across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Brown (~0.92 confidence) and father William Brown (~0.92 confidence) and mother Charlotte Brown (~0.92 confidence) and mother Charlotte Brown (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Brown
b. ~1876
Source father
● Household
· direct · ~0.92
Father
William Brown
b. ~1876
Source father
● Household
· direct · ~0.92
Mother
Charlotte Brown
b. ~1894
Source mother
● Household
· direct · ~0.92
Mother
Charlotte Brown
b. ~1895
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Earl Brown
Son · 1940 · age 21 · b. ~1919 · Illinois
★ You are viewing this record
Sibling
Lymbury Brown
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Brown
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Brown
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Molly Brown
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Stella Brown
Sibling · 1940 · age 16
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 — Mercer-County, Illinois
Open full size
1940 US Federal Census — Mercer-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00858-00307)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Earl D De Vere | 24 | Head | Methodist Minister | Illinois |
| 2 | June De Vere | 23 | Wife | — | Illinois |
| 3 | Shirley De Vere | 1 | Daughter | — | Illinois |
| 4 | William H Cabbage | 67 | Head | — | Illinois |
| 5 | Jess Asher | 35 | Head | Truck Driver | Illinois |
| 6 | Annie Asher | 23 | Wife | — | Iowa |
| 7 | Nellie Stevens | 73 | Head | — | Illinois |
| 8 | Milo Diehl | 41 | Head | Fish Peddler | Illinois |
| 9 | Nellie Diehl | 38 | Wife | Canner | Illinois |
| 10 | Ella Diehl | 18 | Daughter | Canner | Illinois |
| 11 | Rosella Diehl | 16 | Daughter | Labor | Illinois |
| 12 | Phyllis Diehl | 14 | Daughter | Student | Illinois |
| 13 | Harriet Diehl | 7 | Daughter | — | Illinois |
| 14 | Joanne Diehl | 3 | Daughter | — | Illinois |
| 15 | Clarence Diehl | 2 | Son | — | Illinois |
| 16 | Mary Jane Mathews | 68 | In-law | — | Illinois |
| 17 | Elmer King | 37 | Head | Labor | Illinois |
| 18 | Irma King | 39 | Wife | — | Illinois |
| 19 | Lois King | 6 | Daughter | — | Illinois |
| 20 | Gerald King | 0 | Son | — | Illinois |
| 21 | James B. Blair | 73 | Head | — | Iowa |
| 22 | Minnie Blair | 41 | Wife | — | Illinois |
| 23 | John Search | 16 | Step-son | — | Illinois |
| 24 | Joseph F. Damjay | 71 | Head | Paper Hanger And Decorator | Iowa |
| 25 | George King | 51 | Head | Labor | Iowa |
| 26 | Anda King | 41 | Wife | — | Missouri |
| 27 | Katherine King | 20 | Daughter | House Keeper | Illinois |
| 28 | Jim King | 17 | Son | New Worker | Illinois |
| 29 | Annabelle King | 12 | Daughter | — | Illinois |
| 30 | Mabel King | 10 | Daughter | — | Illinois |
| 31 | George Jr. King | 6 | Son | — | Illinois |
| 32 | John King | 2 | Son | — | Illinois |
| 33 | Charlotte Brown | 46 | Head | Truck Driver | Illinois |
| 34 | Donald Brown | 19 | Son | Fisherman | Illinois |
| 35 | Stella Brown | 16 | Daughter | — | Illinois |
| 36 | Robert Brown | 12 | Son | — | Illinois |
| 37 | Molly Brown | 10 | Daughter | — | Illinois |
| 38 | Lymbury Brown | 9 | Son | — | Illinois |
| 39 | Earl Brown THIS PERSON | 21 | Son | Truck Driver | Illinois |
| 40 | Louis Mosher | 9 | Grand-son | — | Illinois |
Related Census Records
Pedigree Summary
Earl + 5 siblings
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)