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Jack Brown — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Macon-County, Illinois
Our Model Tree links this Jack Brown across the 1930 and 1940 US Censuses in Macon-County, Illinois (XGBoost, ~Confirmed) — first a son (b.~1928), then head of a 7-person household.
Age 12
b. ~1928
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Macon-County, Illinois |
| Surname | Brown |
| Given Name | Jack |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Decatur City |
| 1935 Residence (County) | Macon |
| Additional Details | |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Decatur City |
| Est. Birth Year | ~1928 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Jack | Age | Birth yr |
|---|---|---|---|---|
| Norma Brown | Daughter | — | 14 | ~1926 |
| Betty Brown | Daughter | — | 19 | ~1921 |
| Lewis Brown | Head | — | 52 | ~1888 |
| Billie Brown | Son | — | 16 | ~1924 |
| Jack Brown | Son | — | 12 | ~1928 |
| Ralph Brown | Son | — | 21 | ~1919 |
| Esther Brown | Spouse | — | 48 | ~1892 |
Census Appearances
1930
Macon, Illinois
Son, age 2
Macon, Illinois · implied b. ~1928 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Jackie |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Macon-County, Illinois
Son, age 12
Macon-County, Illinois · implied b. ~1928 — 7 household members
| Surname | Brown |
| Given Name | Jack |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Decatur City |
| 1935 Residence (County) | Macon |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| 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 Jack Brown across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Jack Brown
Son · 1940 · age 12 · b. ~1928 · Illinois
★ You are viewing this record
Sibling
Ralph Brown
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Brown
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Billie Brown
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Norma Brown
Sibling · 1940 · age 14
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 — Macon-County, Illinois
Open full size
1940 US Federal Census — Macon-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00843-00053)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Kenneth Ball | 31 | Head | Laborer | Illinois |
| 2 | Eileen Ball | 33 | Wife | — | Illinois |
| 3 | Barbara A. Ball | 9 | Daughter | — | Illinois |
| 4 | Harold Smeed | 36 | Head | Supervisor | Michigan |
| 5 | Thelma Smeed | 37 | Wife | — | Minnesota |
| 6 | James Smeed | 6 | Son | — | Michigan |
| 7 | Carol Smeed | 2 | Daughter | — | Illinois |
| 8 | Charles L. Robinson | 42 | Head | Foreman | Kentucky |
| 9 | Ada H. Robinson | 42 | Wife | Alteration | Illinois |
| 10 | Mary Jayne Robinson | 16 | Daughter | — | Illinois |
| 11 | Daniel Allen | 33 | Head | Baker | Illinois |
| 12 | Louise Allen | 33 | Wife | — | Illinois |
| 13 | David Allen | 5 | Son | — | Illinois |
| 14 | Mary L. Allen | 1 | Daughter | — | Illinois |
| 15 | William A. Lees | 62 | Head | Owner | Wisconsin |
| 16 | Viona L. Lees | 55 | Wife | — | Wisconsin |
| 17 | Walter Fleming | 43 | Head | Timekeeper | Illinois |
| 18 | Helena Fleming | 45 | Wife | — | Illinois |
| 19 | Lona Fleming | 21 | Daughter | Clerk | Illinois |
| 20 | Norbert Fleming | 18 | Son | Messenger | Illinois |
| 21 | Maxine Fleming | 16 | Daughter | New Worker | Illinois |
| 22 | Donna Fleming | 13 | Daughter | — | Illinois |
| 23 | Mary Fleming | 11 | Daughter | — | Illinois |
| 24 | Walter Jr. Fleming | 9 | Son | — | Illinois |
| 25 | Richard Fleming | 6 | Son | — | Illinois |
| 26 | Donna Fleming | 4 | Daughter | — | Illinois |
| 27 | James Hines | 82 | Father-in-law | — | Indiana |
| 28 | Edgar Knapp | 29 | Head | Pressman | Illinois |
| 29 | Madeline Knapp | 28 | Wife | Saleslady | Illinois |
| 30 | Lewis Brown | 52 | Head | Lather | Illinois |
| 31 | Esther Brown | 48 | Wife | — | Illinois |
| 32 | Ralph Brown | 21 | Son | — | Illinois |
| 33 | Betty Brown | 19 | Daughter | Typist | Illinois |
| 34 | Billie Brown | 16 | Son | Messenger | Illinois |
| 35 | Norma Brown | 14 | Daughter | — | Illinois |
| 36 | Jack Brown THIS PERSON | 12 | Son | — | Illinois |
| 37 | Melinda Everlich | 60 | Head | — | Illinois |
| 38 | May Bennett | 43 | Daughter | Housework | Illinois |
| 39 | Paul Kinozouski | 31 | Head | Radio Engineer | Illinois |
| 40 | Ruby Kinozouski | 32 | Wife | — | Illinois |
Related Census Records
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)