LB
Lois Brown — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Union-County, Illinois
Our Model Tree links this Lois Brown across the 1930 and 1940 US Censuses in Union-County, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1926), then head of a 9-person household.
Age 14
b. ~1926
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Union-County, Illinois |
| Surname | Brown |
| Given Name | Lois |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Dongola SP |
| 1935 Residence (County) | Union |
| Additional Details | |
| Highest Grade | No 7 |
| 1935 Residence | Same House |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Dongola Sp |
| Est. Birth Year | ~1926 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Lois | Age | Birth yr |
|---|---|---|---|---|
| Clara Brown | Daughter | — | 16 | ~1924 |
| Bertha Brown | Daughter | — | 8 | ~1932 |
| Lois Brown | Daughter | — | 14 | ~1926 |
| Lela Brown | Daughter | — | 10 | ~1930 |
| Everette Brown | Head | — | 47 | ~1893 |
| Everett Brown | Son | — | 4 | ~1936 |
| Calvin Brown | Son | — | 18 | ~1922 |
| David Brown | Son | — | 12 | ~1928 |
| Rosa Brown | Spouse | — | 42 | ~1898 |
Census Appearances
1930
Union, Illinois
Daughter, age 4
Union, Illinois · implied b. ~1926 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Lois |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Union-County, Illinois
Daughter, age 14
Union-County, Illinois · implied b. ~1926 — 9 household members
| Surname | Brown |
| Given Name | Lois |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Dongola SP |
| 1935 Residence (County) | Union |
| Highest Grade | No 7 |
| 1935 Residence | Same House |
| 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 Lois Brown across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Lois Brown
Daughter · 1940 · age 14 · b. ~1926 · Illinois
★ You are viewing this record
Sibling
David Brown
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Calvin Brown
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Everett Brown
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bertha Brown
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lela Brown
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clara 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 — Union-County, Illinois
Open full size
1940 US Federal Census — Union-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00896-00364)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Everette E. Brown | 47 | Head | Farmer | Illinois |
| 2 | Rosa E. Brown | 42 | Wife | House Wife | Illinois |
| 3 | Calvin A. Brown | 18 | Son | Laborer At Home | Illinois |
| 4 | Clara E. Brown | 16 | Daughter | — | Illinois |
| 5 | Lois Brown THIS PERSON | 14 | Daughter | — | Illinois |
| 6 | David C. Brown | 12 | Son | — | Illinois |
| 7 | Lela Brown | 10 | Daughter | — | Illinois |
| 8 | Bertha Brown | 8 | Daughter | — | Illinois |
| 9 | Everett E. Jr. Brown | 4 | Son | — | Illinois |
| 10 | James B. Keller | 49 | Head | Farmer | Illinois |
| 11 | Ella Keller | 47 | Wife | House Wife | Illinois |
| 12 | Leo Keller | 18 | Daughter | — | Illinois |
| 13 | Ruby Keller | 17 | Daughter | — | Illinois |
| 14 | Don Keller | 14 | Son | — | Illinois |
| 15 | Ben Keller | 14 | Son | — | Illinois |
| 16 | Margrette Keller | 11 | Daughter | — | Illinois |
| 17 | Robert Keller | 9 | Son | — | Illinois |
| 18 | Clarence Keller | 7 | Son | — | Illinois |
| 19 | Helen Keller | 3 | Daughter | — | Illinois |
| 20 | Leonard Allen | 48 | Head | Laborer | Arkansas |
| 21 | Ada Allen | 50 | Wife | House Wife | Illinois |
| 22 | Wilby Adams | 28 | Son | Laborer | Illinois |
| 23 | Oscar Adams | 53 | Head | Farmer | Illinois |
| 24 | Dalva Adams | 52 | Wife | House Wife | Illinois |
| 25 | Florence Adams | 10 | Daughter | — | Illinois |
| 26 | Lewis Adams | 9 | Grandson | — | Illinois |
| 27 | Sylvia Sue Adams | 6 | Granddaughter | — | Illinois |
| 28 | Gilbert Foster | 66 | Lodger | — | Illinois |
| 29 | Louie E. Davis | 59 | Head | Farmer | Illinois |
| 30 | Ora L. Davis | 48 | Wife | House Wife | Illinois |
| 31 | Noah H. Oliver | 46 | Head | Farmer | Kentucky |
| 32 | Maude Oliver | 49 | Wife | House Wife | Illinois |
| 33 | Dennis Mcclellan | 28 | Head | Laborer | Illinois |
| 34 | Nellie Mcclellan | 26 | Wife | House Wife | Illinois |
| 35 | George Dennis Mcclellan | 4 | Son | — | Illinois |
| 36 | Thomas J. Eddleman | 42 | Head | Farmer | Illinois |
| 37 | Mae Eddleman | 35 | Wife | House Wife | Illinois |
| 38 | Billy Jean Eddleman | 12 | Daughter | — | Illinois |
| 39 | Carl Albert Eddleman | 11 | Son | — | Illinois |
| 40 | Floyd Parker | 24 | Lodger | Laborer | Illinois |
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)