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Mary Tucker — 1940 US Census Record
Linked across censuses1940 United States Federal Census · St.-Clair-County, Illinois
Our Model Tree links this Mary Tucker across the 1920, 1930 and 1940 US Censuses in St.-Clair-County, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1899), then head of a 3-person household.
Age 41
b. ~1899
Female
Spouse
Born: Mississippi
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Clair-County, Illinois |
| Surname | Tucker |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Mississippi |
| 1935 Residence (City) | East St. Louis City |
| 1935 Residence (County) | St. Clair |
| Additional Details | |
| Industry | 0 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same House |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
| Township / Ward | East St Louis City |
| Est. Birth Year | ~1899 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| John Tucker | Head | — | 40 | ~1900 |
| John Tucker | Son | — | 14 | ~1926 |
| Mary Tucker | Spouse | — | 41 | ~1899 |
Census Appearances
1920
St Clair, …
Spouse, age 21
St Clair, Illinois · implied b. ~1899 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Tucker |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 21 |
| Marital Status | Married |
| Birthplace | Mississippi |
| Father's Birthplace | Mississippi |
| Mother's Birthplace | Mississippi |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
1930
St Clair, …
Spouse, age 30
St Clair, Illinois · implied b. ~1900 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Tucker |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Mississippi |
| Age at First Marriage | 19 |
| Father's Birthplace | Mississippi |
| Mother's Birthplace | Mississippi |
| Can Read/Write | Yes |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
1940
St.-Clair-County, Illinois
Spouse, age 41
St.-Clair-County, Illinois · implied b. ~1899 — 3 household members
| Surname | Tucker |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Mississippi |
| 1935 Residence (City) | East St. Louis City |
| 1935 Residence (County) | St. Clair |
| Industry | 0 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same House |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
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 Tucker across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Tucker
Spouse · 1940 · age 41 · b. ~1899 · Illinois
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — St.-Clair-County, Illinois
Open full size
1940 US Federal Census — St.-Clair-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00880-00069)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Pauline Lyons | 24 | Wife | — | Mississippi |
| 2 | Sarah Barber | 14 | Sister | — | Mississippi |
| 3 | James Tucker | 43 | Head | Laborer | Alabama |
| 4 | Sally Tucker | 41 | Wife | — | Mississippi |
| 5 | John Tucker | 40 | Head | Grain Sampler | Alabama |
| 6 | Mary Tucker THIS PERSON | 41 | Wife | — | Mississippi |
| 7 | John Jr. Tucker | 14 | Son | — | Illinois |
| 8 | Allison Barksdale | 71 | Head | — | Mississippi |
| 9 | Bella Barksdale | 70 | Wife | — | Mississippi |
| 10 | Willie Hayes | 20 | Grandson | — | Mississippi |
| 11 | Jacob Jackson | 34 | Head | Laborer | Mississippi |
| 12 | Katie Jackson | 28 | Wife | Housekeeper | Mississippi |
| 13 | Iona Chaney | 39 | Head | Wrapper | Mississippi |
| 14 | Ethel Chaney | 37 | Wife | — | Mississippi |
| 15 | Carrie Chaney | 18 | Daughter | Seamstress | Mississippi |
| 16 | Lem Goolsby | 59 | Head | Laborer | Missouri |
| 17 | Jessie Goolsby | 50 | Wife | — | Missouri |
| 18 | Isola Goolsby | 24 | Daughter | — | Missouri |
| 19 | Ignatit Ropejka | 66 | Head | Laborer | Lithuania |
| 20 | Bella Ropejka | 67 | Wife | — | Lithuania |
| 21 | William Ropejka | 25 | Son | Laborer | Illinois |
| 22 | Kenneth Munder | 26 | Head | Laborer | Illinois |
| 23 | Anna Munder | 16 | Wife | — | Illinois |
| 24 | Cecilia Lucey | 47 | Head | — | Illinois |
| 25 | Clyde Lucey | 22 | Son | Automobile Mechanic | Illinois |
| 26 | Robert Lucey | 20 | Son | Newspaper Apprentice | Illinois |
| 27 | Raymond Lucey | 18 | Son | Office Boy | Illinois |
| 28 | Doris Lucey | 14 | Daughter | — | Illinois |
| 29 | Richard Lucey | 12 | Son | — | Illinois |
| 30 | Delores Lucey | 10 | Daughter | — | Illinois |
| 31 | James Lucey | 8 | Son | — | Illinois |
| 32 | Marvin Lucey | 4 | Son | — | Illinois |
| 33 | Nicholas Linley | 26 | Head | Cattle Driver | Illinois |
| 34 | Jane Linley | 26 | Wife | — | Illinois |
| 35 | Mary Jane Linley | 7 | Daughter | — | Illinois |
| 36 | Dorothy Jean Linley | 5 | Daughter | — | Illinois |
| 37 | Doris Linley | 4 | Daughter | — | Illinois |
| 38 | Patricia Linley | 2 | Daughter | — | Illinois |
| 39 | Steve Andrak | 47 | Head | Cook Butcher | Czechoslovakia |
| 40 | Annie Andrak | 46 | Wife | — | Poland |
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)