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Alfred Brown — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Alfred Brown across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1879), then head of a 3-person household.
Age 61
b. ~1879
Male
Head
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Brown |
| Given Name | Alfred |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 61 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Machinist |
| Industry | Railroad |
| Class of Worker | PW |
| Hours Worked | 48 |
| Highest Grade | No 10 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Machinist |
| Township / Ward | Chicago |
| Est. Birth Year | ~1879 |
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 Alfred | Age | Birth yr |
|---|---|---|---|---|
| Marie Vancura | Daughter | — | 20 | ~1920 |
| Alfred Brown | Head | — | 61 | ~1879 |
| Lillian Brown | Spouse | — | 48 | ~1892 |
Census Appearances
1920
Cook, Illinois
Head, age 41
Cook, Illinois · implied b. ~1879 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Alfred P. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Iowa |
| Father's Birthplace | New York |
| Mother's Birthplace | Penn |
| Occupation | Mach |
| Industry | Ry Road |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Cook, Illinois
Head, age 52
Cook, Illinois · implied b. ~1878 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Alfred |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 21 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Machinist |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Veteran | No |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Cook-County, Illinois
Head, age 61
Cook-County, Illinois · implied b. ~1879 — 3 household members
| Surname | Brown |
| Given Name | Alfred |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 61 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Occupation | Machinist |
| Industry | Railroad |
| Class of Worker | PW |
| Hours Worked | 48 |
| Highest Grade | No 10 |
| 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 Alfred Brown across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Alfred Brown
Head · 1940 · age 61 · b. ~1879 · Illinois
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Cook-County, Illinois
Open full size
1940 US Federal Census — Cook-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00967-00048)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mary Helen Johnson | 2 | Daughter | — | Illinois |
| 42 | Michael Travaglio | 35 | Head | Laborer | Italy |
| 43 | Angelina Travaglio | 25 | Wife | — | Illinois |
| 44 | Michael Jr. Travaglio | 7 | Son | — | Illinois |
| 45 | Bobby Travaglio | 5 | Son | — | Illinois |
| 46 | Catherine Travaglio | 1 | Daughter | — | Illinois |
| 47 | Joseph Walsh | 32 | Head | Trucker | Illinois |
| 48 | Eileen Walsh | 25 | Wife | — | Illinois |
| 49 | John Walsh | 8 | Son | — | Illinois |
| 50 | Henry A. Blattner | 50 | Father | Truck Driver | Illinois |
| 51 | Katherine Blattner | 50 | Mother | — | Illinois |
| 52 | Laverne Blattner | 19 | Sister-in-law | Factory Worker | Illinois |
| 53 | Norma Blattner | 16 | Sister-in-law | — | Illinois |
| 54 | John F. Graham | 51 | Head | Interviewer | Illinois |
| 55 | Jane A. Graham | 51 | Wife | — | Illinois |
| 56 | J. James Graham | 16 | Son | — | Illinois |
| 57 | Jennie Riordan | 63 | Cousin | — | Illinois |
| 58 | Anton Bosak | 62 | Head | — | Czechoslovakia |
| 59 | Francis Bosak | 64 | Wife | — | Czechoslovakia |
| 60 | Mary Bosak | 30 | Daughter | Saleslady | Illinois |
| 61 | Mildred Bosak | 24 | Daughter | Helper | Illinois |
| 62 | James Benstent | 39 | Head | Owner | New York |
| 63 | Mary Benstent | 31 | Wife | — | Illinois |
| 64 | Mary Jane Benstent | 10 | Daughter | — | Illinois |
| 65 | James Benstent | 7 | Son | — | Illinois |
| 66 | John Frana | 70 | Head | Bench Work | Illinois |
| 67 | Vaclav Vackar Capek | 72 | Head | Street Sweeper | Bohemia |
| 68 | Mary Vackar Capek | 68 | Wife | — | Bohemia |
| 69 | Arthur Blattner | 24 | Head | Helper | Illinois |
| 70 | Joan Blattner | 23 | Wife | Packer | Illinois |
| 71 | Alfred Brown THIS PERSON | 61 | Head | Machinist | Iowa |
| 72 | Lillian Brown | 48 | Wife | — | Wisconsin |
| 73 | Marie Vancura | 20 | Daughter | Press Operator | Illinois |
| 74 | George Daniels | 46 | Head | Salesman | Wisconsin |
| 75 | Pearl Daniels | 44 | Wife | — | Michigan |
| 76 | Jane Steeley | 22 | Daughter | Comptometer Operator | Michigan |
| 77 | Alton Rumsey | 47 | Head | Janitor | Tennessee |
| 78 | Ruth Rumsey | 35 | Wife | — | Alabama |
| 79 | Margaret Rumsey | 18 | Daughter | Bookkeeper | Tennessee |
| 80 | Gordon Rumsey | 16 | Son | — | Tennessee |
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)