JB
Joseph Brown — 1940 US Census Record
Model Tree available1940 United States Federal Census · Winnebago-County, Illinois
Our Model Tree links this Joseph Brown across the 1920, 1930 and 1940 US Censuses in Winnebago-County, Illinois (XGBoost, ~Confirmed), with identified parents Joseph & Joseph — first a head (b.~1911), then head of a 3-person household.
Age 29
b. ~1911
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Winnebago-County, Illinois |
| Surname | Brown |
| Given Name | Joseph E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Rockford City |
| 1935 Residence (County) | Winnebago |
| Additional Details | |
| Occupation | Machinist |
| Industry | Machine Tool |
| Class of Worker | PW |
| Hours Worked | 45 |
| Income (1939) | 1500 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Machinist |
| Township / Ward | Rockford City |
| Est. Birth Year | ~1911 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Joseph | Age | Birth yr |
|---|---|---|---|---|
| Sherron Brown | Daughter | — | 1 | ~1939 |
| Joseph Brown | Head | — | 29 | ~1911 |
| Olga Brown | Spouse | — | 25 | ~1915 |
Census Appearances
1920
Winnebago, Illinois
Son, age 9
Winnebago, Illinois · implied b. ~1911 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Joseph E |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | none |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Winnebago, Illinois
Son, age 19
Winnebago, Illinois · implied b. ~1911 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Joseph E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | Radio Maker |
| Industry | Machine Shop |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Winnebago-County, Illinois
Head, age 29
Winnebago-County, Illinois · implied b. ~1911 — 3 household members
| Surname | Brown |
| Given Name | Joseph E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Rockford City |
| 1935 Residence (County) | Winnebago |
| Occupation | Machinist |
| Industry | Machine Tool |
| Class of Worker | PW |
| Hours Worked | 45 |
| Income (1939) | 1500 |
| Highest Grade | Hs 4 |
| 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 Joseph Brown across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Joseph Brown (~0.92 confidence) and father Joseph Brown (~0.92 confidence) and mother Anna Brown (~0.92 confidence) and mother Anna Brown (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Joseph Brown
b. ~1881
Source father
● Household
· direct · ~0.92
Father
Joseph Brown
b. ~1885
Source father
● Household
· direct · ~0.92
Mother
Anna Brown
b. ~1886
Source mother
● Household
· direct · ~0.92
Mother
Anna Brown
b. ~1890
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Joseph Brown
Head · 1940 · age 29 · b. ~1911 · Illinois
★ 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 — Winnebago-County, Illinois
Open full size
1940 US Federal Census — Winnebago-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00914-00435)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mary D. King | 24 | Wife | Clerk | Illinois |
| 42 | Mary Susan King | 3 | Daughter | — | Illinois |
| 43 | Clarence G. Lengel | 53 | Head | Painter | Illinois |
| 44 | Blanche M. Lengel | 39 | Wife | — | Illinois |
| 45 | James W. Gent | 18 | Son | — | Illinois |
| 46 | Rene K. Kaufman | 39 | Head | Mechanical Engr. | Switzerland |
| 47 | Marie J. Kaufman | 31 | Wife | — | Illinois |
| 48 | Beatrice E. Kaufman | 5 | Daughter | — | Wisconsin |
| 49 | Arvid W. Anderson | 36 | Head | Plant Laborer | Illinois |
| 50 | Edith B. Anderson | 35 | Wife | — | Illinois |
| 51 | Lorraine R. Anderson | 10 | Daughter | — | Illinois |
| 52 | Richard A. Anderson | 7 | Son | — | Illinois |
| 53 | Roger B. Anderson | 3 | Son | — | Illinois |
| 54 | Olga Momberg | 25 | Mother-in-law | Press Operator | Illinois |
| 55 | Joseph E. Brown THIS PERSON | 29 | Head | Machinist | Illinois |
| 56 | Olga Brown | 25 | Wife | — | Illinois |
| 57 | Sherron S. Brown | 1 | Daughter | — | Illinois |
| 58 | Michael C. Middlebaugh | 30 | Head | Teacher | South Dakota |
| 59 | Dorothy L. Middlebaugh | 29 | Wife | — | Illinois |
| 60 | Carol R. Middlebaugh | 1 | Daughter | — | Illinois |
| 61 | Warren T. Atkins | 35 | Head | Carpenter | Illinois |
| 62 | Marguerite A. Atkins | 31 | Wife | — | Wisconsin |
| 63 | Wallace W. Atkins | 12 | Son | — | Illinois |
| 64 | Thomas C. Mcclain | 55 | Head | Plumbing Inspector | Canada |
| 65 | Elizabeth E. Mcclain | 49 | Wife | — | Canada |
| 66 | Lois A. Mcclain | 14 | Daughter | Stenographer | Canada |
| 67 | Wesley R. Mahabakey | 36 | Head | Salesman | Illinois |
| 68 | Lucile J. Mahabakey | 28 | Wife | — | Illinois |
| 69 | Robert D. Mahabakey | 2 | Son | — | Illinois |
| 70 | Dary W. Mahabakey | 1 | Son | — | Illinois |
| 71 | Clifford G. Morris | 52 | Head | Salesman | Indiana |
| 72 | Bertha K. Morris | 49 | Wife | — | Indiana |
| 73 | Lawrence J. Mccarren | 26 | Head | Router | Illinois |
| 74 | Rosie M. Mccarren | 25 | Wife | — | Illinois |
| 75 | James R. Mccarren | 0 | Son | — | Illinois |
| 76 | Adene J. Anderson | 38 | Head | Domestic | Illinois |
| 77 | Audry A. Anderson | 10 | Niece | — | Illinois |
| 78 | Norma A. Fisher | 44 | Head | Bookkeeper | Missouri |
| 79 | Herman D. Fisher | 22 | Son | Enameler | Illinois |
| 80 | Reuben S. Appel | 42 | Head | Service Salesman | Illinois |
Pedigree Summary
Joseph
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)