DA
Dorothy Allen — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Dorothy Allen across the 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1926), then head of a 24-person household.
Age 14
b. ~1926
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Allen |
| Given Name | Dorothy |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | Black |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Chicago |
| Est. Birth Year | ~1926 |
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.
24 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Dorothy | Age | Birth yr |
|---|---|---|---|---|
| Marie Ogilvie | Daughter | — | 19 | ~1921 |
| Doris Parker | Daughter | — | 10 | ~1930 |
| Vertie Adams | Daughter | — | 2 | ~1938 |
| Ozetta Tiggs | Daughter | — | 14 | ~1926 |
| Greater Adams | Daughter | — | 4 | ~1936 |
| Odessa Tiggs | Daughter | — | 16 | ~1924 |
| Lottie Ogilvie | Daughter | — | 23 | ~1917 |
| Eleanor Allen | Daughter | — | 11 | ~1929 |
| Eunice Parker | Daughter | — | 17 | ~1923 |
| Ernestine Parker | Daughter | — | 11 | ~1929 |
| Alice Allen | Daughter | — | 2 | ~1938 |
| Naomi Allen | Daughter | — | 9 | ~1931 |
| Lenora Adams | Daughter | — | 12 | ~1928 |
| Dorothy Allen | Daughter | — | 14 | ~1926 |
| James Parker | Head | — | 39 | ~1901 |
| Alfonso Yarbrough | Other | — | 11 | ~1929 |
| Raymond Tiggs | Son | — | 17 | ~1923 |
| Darnell Parker | Son | — | 14 | ~1926 |
| Edmond Ogilvie | Son | — | 25 | ~1915 |
| James Parker | Son | — | 7 | ~1933 |
| Edward Allen | Son | — | 10 | ~1930 |
| Nathan Allen | Son | — | 5 | ~1935 |
| Clarence Adams | Son | — | 14 | ~1926 |
| Ernest Parker | Son | — | 4 | ~1936 |
Census Appearances
1930
Cook, Illinois
Daughter, age 4
Cook, Illinois · implied b. ~1926 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Allen |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Arkansas |
| Mother's Birthplace | Alabama |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Daughter, age 14
Cook-County, Illinois · implied b. ~1926 — 24 household members
| Surname | Allen |
| Given Name | Dorothy |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | Black |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Highest Grade | No 6 |
| 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 Dorothy Allen across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Dorothy Allen
Daughter · 1940 · age 14 · b. ~1926 · Illinois
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Sibling
Eunice Parker
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Greater Adams
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marie Ogilvie
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eleanor Allen
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lottie Ogilvie
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nathan Allen
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clarence Adams
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Allen
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ozetta Tiggs
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Doris Parker
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Vertie Adams
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Odessa Tiggs
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Parker
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ernest Parker
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Allen
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Raymond Tiggs
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edmond Ogilvie
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ernestine Parker
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Naomi Allen
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lenora Adams
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Darnell Parker
Sibling · 1940 · age 14
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
35 people indexed on this census page (nara:1940:m-t0627-00962-00496)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ronald Kelly | 5 | son | — | Illinois |
| 2 | George Lafayette | 41 | Head | Labor | Louisiana |
| 3 | Beatrice Lafayette | 35 | wife | — | Louisiana |
| 4 | Louis Lafayette | 15 | son | — | Arkansas |
| 5 | James Bennett | 41 | Head | Labor | Arkansas |
| 6 | Gwendolyn Bennett | 15 | daughter | — | Arkansas |
| 7 | Ruby Dow | 55 | lodger | Labor | No Carolina |
| 8 | Jannie B. Dow | 40 | wife | — | Tennessee |
| 9 | Jennie Bradley | 16 | lodger | — | Illinois |
| 10 | Charley Dunn | 65 | lodger | — | Arkansas |
| 11 | Richard Ballanger | 1 | son | — | Illinois |
| 12 | James A. Parker | 39 | Head | Truck Driver | Arkansas |
| 13 | Eunice Parker | 17 | daughter | Saleslady | Arkansas |
| 14 | Darnell Parker | 14 | son | — | Illinois |
| 15 | Ernestine Parker | 11 | daughter | — | Illinois |
| 16 | Doris Parker | 10 | daughter | — | Illinois |
| 17 | James Jr. Parker | 7 | son | — | Illinois |
| 18 | Ernest Parker | 4 | son | — | Illinois |
| 19 | Dorothy Allen THIS PERSON | 14 | daughter | — | Illinois |
| 20 | Eleanor Allen | 11 | daughter | — | Illinois |
| 21 | Edward Allen | 10 | son | — | Illinois |
| 22 | Naomi Allen | 9 | daughter | — | Illinois |
| 23 | Nathan Allen | 5 | son | — | Illinois |
| 24 | Alice Allen | 2 | daughter | — | Illinois |
| 25 | Clarence Adams | 14 | son | — | Illinois |
| 26 | Lenora Adams | 12 | daughter | — | Illinois |
| 27 | Greater Adams | 4 | daughter | — | Illinois |
| 28 | Vertie R. Adams | 2 | daughter | — | Illinois |
| 29 | Edmond Ogilvie | 25 | son | — | Georgia |
| 30 | Lottie Ogilvie | 23 | daughter | — | Georgia |
| 31 | Marie Ogilvie | 19 | daughter | — | Oklahoma |
| 32 | Raymond Tiggs | 17 | son | — | Tennessee |
| 33 | Odessa Tiggs | 16 | daughter | — | Illinois |
| 34 | Ozetta Tiggs | 14 | daughter | — | Illinois |
| 35 | Alfonso Yarbrough | 11 | step-son | — | 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)