NB
Nancy Brown — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Nancy Brown across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents Edward & G — first a daughter (b.~1918), then head of a 10-person household.
Age 22
b. ~1918
Female
Daughter
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Brown |
| Given Name | Nancy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago Ill |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | Hs 10 |
| 1935 Residence | Same Place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Chicago Ill |
| Est. Birth Year | ~1918 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Nancy | Age | Birth yr |
|---|---|---|---|---|
| Sarah Zachman | Daughter | — | 10 | ~1930 |
| Nancy Brown | Daughter | — | 22 | ~1918 |
| Denise Brown | Daughter | — | 1 | ~1939 |
| Eleanor Zachman | Daughter | — | 13 | ~1927 |
| Gertrude Zachman | Daughter | — | 11 | ~1929 |
| Maria Brown | Daughter | — | ~1940 | |
| John Zachman | Head | — | 52 | ~1888 |
| Maurice Brown | Other | — | 23 | ~1917 |
| John Brown | Son | — | 4 | ~1936 |
| Kate Zachman | Spouse | — | 42 | ~1898 |
Census Appearances
1920
Cook, Illinois
Daughter, age 2
Cook, Illinois · implied b. ~1918 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Nancy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Daughter, age 13
Cook, Illinois · implied b. ~1917 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Nancy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Daughter, age 22
Cook-County, Illinois · implied b. ~1918 — 10 household members
| Surname | Brown |
| Given Name | Nancy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago Ill |
| 1935 Residence (County) | Cook |
| Income (1939) | 0 |
| Highest Grade | Hs 10 |
| 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 Nancy Brown across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Edward Brown (~0.92 confidence) and father G Brown (~0.92 confidence) and mother Freda Brown (~0.92 confidence) and father John Zachman (~0.92 confidence) and mother Kate Zachman (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Edward Brown
b. ~1878
Source father
● Household
· direct · ~0.92
Father
G Brown
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Freda Brown
b. ~1884
Source mother
● Household
· direct · ~0.92
Father
John Zachman
b. ~1888
Source father
● Household
· direct · ~0.92
Mother
Kate Zachman
b. ~1898
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Nancy Brown
Daughter · 1940 · age 22 · b. ~1918 · Illinois
★ You are viewing this record
Sibling
Gertrude Zachman
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Brown
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sarah Zachman
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Denise Brown
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eleanor Zachman
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Maria Brown
Sibling · 1940 · age
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 — 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-t0627-00944-00723)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John Zachman | 52 | Head | Bartender | Austria |
| 42 | Kate Zachman | 42 | Wife | — | Austria |
| 43 | Eleanor Zachman | 13 | Daughter | — | Illinois |
| 44 | Gertrude Zachman | 11 | Daughter | — | Illinois |
| 45 | Sarah Zachman | 10 | Daughter | — | Illinois |
| 46 | Maurice Brown | 23 | Son-in-law | Clerk | Illinois |
| 47 | Nancy Brown THIS PERSON | 22 | Daughter | — | Illinois |
| 48 | John Brown | 4 | Son | — | Illinois |
| 49 | Denise Brown | 1 | Daughter | — | Illinois |
| 50 | Maria Brown | 0 | Daughter | — | Illinois |
| 51 | Anton Weigand | 48 | Head | Teamster | Austria |
| 52 | Lina Weigand | 48 | Wife | — | Austria |
| 53 | Angeline Weigand | 10 | Daughter | — | Illinois |
| 54 | Fred Weigand | 6 | Son | — | Illinois |
| 55 | Jacob Knieling | 46 | Head | Proprietor | Austria |
| 56 | Louise Knieling | 43 | Wife | — | Austria |
| 57 | Alfred Knieling | 18 | Son | New Worker | Illinois |
| 58 | John Knieling | 10 | Son | — | Illinois |
| 59 | Adolph Washagan | 59 | Head | Janitor | Poland |
| 60 | Mary Washagan | 60 | Wife | — | Poland |
| 61 | Joseph Washagan | 24 | Son | Officer | Illinois |
| 62 | Thomas Washagan | 22 | Son | New Worker | Illinois |
| 63 | Mary Washagan | 13 | Daughter | — | Illinois |
| 64 | Martin Washagan | 12 | Son | — | Illinois |
| 65 | James Washagan | 6 | Son | — | Illinois |
| 66 | Robert Washagan | 4 | Son | — | Illinois |
| 67 | Anna Washagan | 2 | Daughter | — | Illinois |
| 68 | Mike Stevens | 50 | Head | Peddler | Greece |
| 69 | Lilian Stevens | 47 | Wife | — | Greece |
| 70 | Mary Stevens | 16 | Daughter | New Worker | Illinois |
| 71 | Hellen Stevens | 14 | Daughter | — | Illinois |
| 72 | Doris Stevens | 13 | Daughter | — | Illinois |
| 73 | Joanne Stevens | 11 | Daughter | — | Illinois |
| 74 | Martin Gougham | 32 | Head | Milkman | Illinois |
| 75 | Mary Gougham | 31 | Wife | — | Illinois |
| 76 | Martin Jr Gougham | 9 | Son | — | Illinois |
| 77 | Anthony Gougham | 7 | Son | — | Illinois |
| 78 | Robert Gougham | 5 | Son | — | Illinois |
| 79 | Stella Gougham | 3 | Daughter | — | Illinois |
| 80 | John Gougham | 2 | Son | — | Illinois |
Pedigree Summary
Nancy + 6 siblings
Gen 1 · 5 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)