IB
Irene Brown — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Irene Brown across the 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1923), then head of a 11-person household.
Age 17
b. ~1923
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Brown |
| Given Name | Irene |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | H-3 |
| 1935 Residence | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Leyden Twp |
| Est. Birth Year | ~1923 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Irene | Age | Birth yr |
|---|---|---|---|---|
| Florence Brown | Daughter | — | 13 | ~1927 |
| Ella Brown | Daughter | — | 4 | ~1936 |
| Irene Brown | Daughter | — | 17 | ~1923 |
| Myrtle Brown | Daughter | — | 10 | ~1930 |
| Rose Brown | Daughter | — | 2 | ~1938 |
| Charles Brown | Head | — | 46 | ~1894 |
| Joseph Brown | Son | — | 19 | ~1921 |
| Walter Brown | Son | — | ~1940 | |
| Irving Brown | Son | — | 11 | ~1929 |
| Anton Brown | Son | — | 7 | ~1933 |
| Ella Brown | Spouse | — | 45 | ~1895 |
Census Appearances
1930
Cook, Illinois
Daughter, age 8
Cook, Illinois · implied b. ~1922 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Irene |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | New York |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Daughter, age 17
Cook-County, Illinois · implied b. ~1923 — 11 household members
| Surname | Brown |
| Given Name | Irene |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Cook |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | H-3 |
| 1935 Residence | Illinois |
| 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 Irene Brown across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Irene Brown
Daughter · 1940 · age 17 · b. ~1923 · Illinois
★ You are viewing this record
Sibling
Irving Brown
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Florence Brown
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Myrtle Brown
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Walter Brown
Sibling · 1940 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rose Brown
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ella Brown
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anton Brown
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Brown
Sibling · 1940 · age 19
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-t0627-00781-00081)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mildred Reid | 22 | Daughter | Retail Store Clerk | Illinois |
| 42 | Loretta Reid | 18 | Daughter | — | Indiana |
| 43 | John Jr. Reid | 16 | Son | — | Illinois |
| 44 | Cecil Allred | 45 | Head | Brick Maker | Indiana |
| 45 | Esther Rose Allred | 40 | Wife | — | England |
| 46 | Edwin Allred | 18 | Son | Office Clerk | Illinois |
| 47 | Lawrence Allred | 16 | Son | Janitor Helper | Illinois |
| 48 | Audrey Allred | 13 | Daughter | — | Illinois |
| 49 | Robert Allred | 6 | Son | — | Illinois |
| 50 | W. Bissell | 36 | Head | Lumber Yard Laborer | Illinois |
| 51 | Dorothy Bissell | 34 | Wife | — | Oklahoma |
| 52 | Dolores Bissell | 15 | Daughter | — | Illinois |
| 53 | Gloria Bissell | 8 | Daughter | — | Illinois |
| 54 | Charles Bissell | 68 | Head | Operator - Retail Lumber Yard | England |
| 55 | Anna Bissell | 68 | Wife | — | Illinois |
| 56 | Ronald Mays | 7 | Son | — | Illinois |
| 57 | Edward Kern | 35 | Head | Window Washer | Kansas |
| 58 | Gladys Kern | 26 | Wife | — | Illinois |
| 59 | Edward Jr. Kern | 3 | Son | — | Illinois |
| 60 | Paul Kern | 1 | Son | — | Illinois |
| 61 | Charles Brown | 46 | Head | Laborer | Illinois |
| 62 | Ella Brown | 45 | Wife | — | Illinois |
| 63 | Joseph Brown | 19 | Son | Janitor Helper | Illinois |
| 64 | Irene Brown THIS PERSON | 17 | Daughter | — | Illinois |
| 65 | Florence Brown | 13 | Daughter | — | Illinois |
| 66 | Irving Brown | 11 | Son | — | Illinois |
| 67 | Myrtle Brown | 10 | Daughter | — | Illinois |
| 68 | Anton Brown | 7 | Son | — | Illinois |
| 69 | Ella Brown | 4 | Daughter | — | Illinois |
| 70 | Rose Brown | 2 | Daughter | — | Illinois |
| 71 | Walter Brown | 0 | Son | — | Illinois |
| 72 | Robert C. Rublack | 49 | Head | Furniture Mover | Illinois |
| 73 | Anna Rublack | 55 | Wife | — | Sweden |
| 74 | Robert G. Rublack | 19 | Son | — | Illinois |
| 75 | Marcelene Rublack | 14 | Daughter | — | Illinois |
| 76 | Frank Klinsmidt | 48 | Head | Painter | Illinois |
| 77 | Georgiana Klinsmidt | 50 | Wife | — | Illinois |
| 78 | Edward Strecker | 58 | Head | Laborer | Poland |
| 79 | Margaret Strecker | 36 | Wife | — | Illinois |
| 80 | Irene Strecker | 15 | Daughter | — | 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)