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Mary Lindsey — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Mary Lindsey across the 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1928), then head of a 7-person household.
Age 12
b. ~1928
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Lindsey |
| Given Name | Mary F. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago city |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Highest Grade | Hs 5 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1928 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Junius Lindsey | Son | — | 14 | ~1926 |
| Paul Lindsey | Son | — | 5 | ~1935 |
| Mary Lindsey | Daughter | — | 12 | ~1928 |
| Clyde Lindsey | Son | — | 10 | ~1930 |
| Emma Lindsey | Spouse | — | 42 | ~1898 |
| Junius Lindsey | Head | — | 44 | ~1896 |
| Theodore Lindsey | Son | — | 13 | ~1927 |
Census Appearances
1930
Cook, Illinois
Daughter, age 2
Cook, Illinois · implied b. ~1928 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lindsay |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Daughter, age 12
Cook-County, Illinois · implied b. ~1928 — 7 household members
| Surname | Lindsey |
| Given Name | Mary F. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago city |
| 1935 Residence (County) | Cook |
| Highest Grade | Hs 5 |
| 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 Mary Lindsey across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Lindsey
Daughter · 1940 · age 12 · b. ~1928 · Illinois
★ You are viewing this record
Sibling
Clyde Lindsey
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Lindsey
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Theodore Lindsey
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Junius Lindsey
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
40 people indexed on this census page (nara:1940:m-t0627-00927-00691)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Vivian Nicholson | 7 | Daughter | — | Illinois |
| 42 | Herbert Nicholson | 74 | Father | — | Mississippi |
| 43 | James Eleaby | 30 | Lodger | Scrapper | Arkansas |
| 44 | James Coleman | 34 | Head | — | Kentucky |
| 45 | Evelyn Coleman | 34 | Wife | — | Georgia |
| 46 | Dallas Coleman | 16 | Son | — | Ohio |
| 47 | Florence Coleman | 14 | Daughter | — | Ohio |
| 48 | Evelyn L. Coleman | 6 | Daughter | — | Illinois |
| 49 | Junius Lindsey | 44 | Head | — | Illinois |
| 50 | Emma Lindsey | 42 | Wife | — | Illinois |
| 51 | Junius Jr. Lindsey | 14 | Son | — | Illinois |
| 52 | Theodore Lindsey | 13 | Son | — | Illinois |
| 53 | Mary F. Lindsey THIS PERSON | 12 | Daughter | — | Illinois |
| 54 | Clyde Lindsey | 10 | Son | — | Illinois |
| 55 | Paul Lindsey | 5 | Son | — | Illinois |
| 56 | Rachel Wipe | 41 | Head | — | Louisiana |
| 57 | Daniel Wipe | 23 | Son | Manual Training | Louisiana |
| 58 | Joseph Wipe | 20 | Son | Laborer | Illinois |
| 59 | Evelyn Wipe | 16 | Daughter | — | Illinois |
| 60 | Robert Wipe | 14 | Son | — | Illinois |
| 61 | Thelma Wipe | 10 | Daughter | — | Illinois |
| 62 | Robert Galloway | 26 | Head | Laborer | Mississippi |
| 63 | Bessie Galloway | 24 | Wife | — | Kentucky |
| 64 | Robert Jr. Galloway | 3 | Son | — | Illinois |
| 65 | John A. Galloway | 2 | Son | — | Illinois |
| 66 | Evelyn Boisseau | 21 | Head | — | Illinois |
| 67 | William Boisseau | 7 | Son | — | Illinois |
| 68 | Alice Boisseau | 5 | Daughter | — | Illinois |
| 69 | Maurice Boisseau | 4 | Son | — | Illinois |
| 70 | Audrey Boisseau | 3 | Daughter | — | Illinois |
| 71 | Carolyn Boisseau | 2 | Daughter | — | Illinois |
| 72 | Martha Boisseau | 1 | Daughter | — | Illinois |
| 73 | Thomas Romes | 50 | Head | Laborer | Louisiana |
| 74 | Annie Romes | 51 | Wife | — | North Carolina |
| 75 | George Robinson | 26 | Head | Laborer | Georgia |
| 76 | Sarah Robinson | 23 | Wife | — | Georgia |
| 77 | George Jr. Robinson | 5 | Son | — | Illinois |
| 78 | Cecelia Robinson | 3 | Daughter | — | Illinois |
| 79 | Paul Robinson | 2 | Son | — | Illinois |
| 80 | Albert Dew | 27 | Head | Laborer | Arkansas |
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)