HB
Hazel Brown — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Hazel Brown across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents Anna & John — first a daughter (b.~1892), then head of a 3-person household.
Age 48
b. ~1892
Female
Daughter
Born: Illinois
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Brown |
| Given Name | Hazel |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 48 |
| Marital Status | Widowed |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Gilder |
| Industry | Picture Frame Factory |
| Class of Worker | PW |
| Hours Worked | 20 |
| Income (1939) | 250 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Gilder |
| Township / Ward | Chicago |
| Est. Birth Year | ~1892 |
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 Hazel | Age | Birth yr |
|---|---|---|---|---|
| Hazel Brown | Daughter | — | 48 | ~1892 |
| John Kohlman | Head | — | 71 | ~1869 |
| Anna Kohlman | Spouse | — | 74 | ~1866 |
Census Appearances
1920
Cook, Illinois
Spouse, age 28
Cook, Illinois · implied b. ~1892 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Hazel |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Spouse, age 37
Cook, Illinois · implied b. ~1893 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Hazel |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 27 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Engineer |
| Industry | Office Bldg |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Daughter, age 48
Cook-County, Illinois · implied b. ~1892 — 3 household members
| Surname | Brown |
| Given Name | Hazel |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 48 |
| Marital Status | Widowed |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Occupation | Gilder |
| Industry | Picture Frame Factory |
| Class of Worker | PW |
| Hours Worked | 20 |
| Income (1939) | 250 |
| Highest Grade | 8 |
| 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 Hazel Brown across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Anna Kohlman (~0.92 confidence) and father John Kohlman (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Anna Kohlman
b. ~1866
Source mother
● Household
· direct · ~0.92
Father
John Kohlman
b. ~1869
Source father
● Household
· direct · ~0.92
This person
Anchor record
Hazel Brown
Daughter · 1940 · age 48 · b. ~1892 · 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 — 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-t0627-01019-00279)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Clifford Dougherty | 36 | Head | Cook | Texas |
| 42 | Gladys Dougherty | 30 | Wife | Waitress | Texas |
| 43 | Walter Straessle | 58 | Head | Bartender | Illinois |
| 44 | Frances Straessle | 58 | Wife | — | Indiana |
| 45 | Marjorie Wilkie | 28 | Head | Cashier | Minnesota |
| 46 | Charles Vogel | 65 | Head | Owner | Illinois |
| 47 | Albert Hirsch | 36 | Head | Private Chauffeur | Illinois |
| 48 | Ada Hirsch | 33 | Wife | Clerk | Illinois |
| 49 | Marion Hirsch | 10 | daughter | — | Illinois |
| 50 | Jacqueline Hirsch | 9 | daughter | — | Illinois |
| 51 | Maurice Chudom | 47 | Head | Artist | Russia |
| 52 | Frances Chudom | 40 | Wife | — | Russia |
| 53 | Peter Chudom | 17 | son | — | Illinois |
| 54 | Lillian Bertrand | 40 | Head | Milliner | Illinois |
| 55 | Walter Fernau | 43 | Head | Laborer | Illinois |
| 56 | Agnes Fernau | 43 | Wife | — | Illinois |
| 57 | Ray Thomas | 47 | Head | Broker | Pennsylvania |
| 58 | Cora R. Arrigo | 58 | Head | — | Kentucky |
| 59 | Lucius Toole | 64 | Head | Salesman | No. Carolina |
| 60 | Marguerite Toole | 48 | Wife | — | Georgia |
| 61 | William Dalzell | 61 | Head | Clerk | Illinois |
| 62 | Mildred Dalzell | 58 | Wife | Waitress | Wisconsin |
| 63 | Bertha Weiner | 57 | Head | Dressmaker | Germany |
| 64 | Helen Weiner | 24 | daughter | Saleswoman | Illinois |
| 65 | Alfred Weiner | 15 | son | — | Illinois |
| 66 | Rose M. Nash | 60 | Head | — | Illinois |
| 67 | Ethel Nash | 32 | daughter | House Keeper | Illinois |
| 68 | Louis Latin | 50 | Head | Stenographer | Russia |
| 69 | Lucelle Latin | 31 | Wife | — | Wisconsin |
| 70 | Jerome Latin | 9 | Son | Salesman | Wisconsin |
| 71 | Ronald Latin | 4 | Son | — | Illinois |
| 72 | John Kohlman | 71 | Head | — | Illinois |
| 73 | Anna Kohlman | 74 | Wife | — | New York |
| 74 | Hazel Brown THIS PERSON | 48 | daughter | Gilder | Illinois |
| 75 | George Papineau | 45 | Head | — | Illinois |
| 76 | Catherine Papineau | 44 | wife | Seamstress | Austria |
| 77 | Harry Becker | 40 | Head | Painter | Russia |
| 78 | Lenora Becker | 30 | Wife | — | Illinois |
| 79 | Samuel Becker | 17 | Son | — | Illinois |
| 80 | Leo L. Herold | 41 | Head | Postal Clerk | Iowa |
Pedigree Summary
Hazel
Gen 1 · 2 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)