MS
Mary Scott — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Mary Scott across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents Clive & Willie — first a daughter (b.~1914), then head of a 5-person household.
Age 26
b. ~1914
Female
Daughter
Born: Mississippi
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Scott |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Mississippi |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | housemaid |
| Industry | private family |
| Class of Worker | PW |
| Hours Worked | 20 |
| Income (1939) | 520 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
| Occupation | Housemaid |
| Township / Ward | Chicago |
| Est. Birth Year | ~1914 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Scott | Daughter | — | 26 | ~1914 |
| Ella Williams | Daughter | — | 10 | ~1930 |
| James Williams | Head | — | 41 | ~1899 |
| Russell James | Other | — | 45 | ~1895 |
| Lillie Williams | Spouse | — | 43 | ~1897 |
Census Appearances
1920
Cook, Illinois
Daughter, age 7
Cook, Illinois · implied b. ~1913 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Scott |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Mississippi |
| Father's Birthplace | Mississippi |
| Mother's Birthplace | Mississippi |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
1930
Cook, Illinois
Daughter, age 16
Cook, Illinois · implied b. ~1914 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Scott |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Mississippi |
| Father's Birthplace | Mississippi |
| Mother's Birthplace | Mississippi |
| Can Read/Write | Yes |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
1940
Cook-County, Illinois
Daughter, age 26
Cook-County, Illinois · implied b. ~1914 — 5 household members
| Surname | Scott |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Mississippi |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Occupation | housemaid |
| Industry | private family |
| Class of Worker | PW |
| Hours Worked | 20 |
| Income (1939) | 520 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| 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 Scott across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Clive Scott (~0.92 confidence) and mother Willie Scott (~0.92 confidence) and mother Marceline Scott (~0.92 confidence) and father James Williams (~0.92 confidence) and mother Lillie Williams (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Clive Scott
b. ~1896
Source father
● Household
· direct · ~0.92
Mother
Willie Scott
b. ~1899
Source mother
● Household
· direct · ~0.92
Mother
Marceline Scott
b. ~1895
Source mother
● Household
· direct · ~0.92
Father
James Williams
b. ~1899
Source father
● Household
· direct · ~0.92
Mother
Lillie Williams
b. ~1897
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Scott
Daughter · 1940 · age 26 · b. ~1914 · Illinois
★ You are viewing this record
Sibling
Ella Williams
Sibling · 1940 · age 10
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-t0627-00960-01001)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Russell Harris | 4 | Son | — | Illinois |
| 2 | Henry Burton | 36 | Head | Laborer | Georgia |
| 3 | Ella Burton | 35 | Wife | None | Georgia |
| 4 | Mauna Vasen | 67 | Mother-in-law | None | Georgia |
| 5 | Lena Vasen | 28 | Sister-in-law | New Worker | Georgia |
| 6 | Carlton Burton | 30 | Brother-in-law | Laborer | Georgia |
| 7 | Hattie May Burton | 27 | Sister-in-law | None | Georgia |
| 8 | Lena May Burton | 7 | Niece | — | Illinois |
| 9 | Ella Louise Burton | 5 | Niece | — | Illinois |
| 10 | James Williams | 41 | Head | Laborer | Mississippi |
| 11 | Lillie Williams | 43 | Wife | Housemaid | Mississippi |
| 12 | Mary Scott THIS PERSON | 26 | Daughter | Housemaid | Mississippi |
| 13 | Ella Williams | 10 | Daughter | — | Mississippi |
| 14 | Russell James | 45 | Roomer | Laborer | Alabama |
| 15 | Frances Taylor | 24 | Head | Seamstress | Illinois |
| 16 | Frances Taylor | 5 | Daughter | — | Illinois |
| 17 | Lawrence Taylor | 4 | Son | — | Illinois |
| 18 | Delores Taylor | 3 | Daughter | — | Illinois |
| 19 | Lucinda James | 26 | Head | Housemaid | Florida |
| 20 | Anne James | 1 | Daughter | — | Illinois |
| 21 | John James | 25 | Brother | Laborer | Florida |
| 22 | Beulah Ward | 45 | Head | None | Missouri |
| 23 | Virginia Ward | 8 | Daughter | — | Illinois |
| 24 | Edward Ward | 5 | Son | — | Illinois |
| 25 | William Abrams | 51 | Head | None | Mississippi |
| 26 | Minerva Abrams | 55 | Wife | None | Mississippi |
| 27 | Annie May Abrams | 15 | Daughter | New Worker | Mississippi |
| 28 | Carenga Abrams | 23 | Son | New Worker | Mississippi |
| 29 | Corine Abrams | 33 | Sister | None | Louisiana |
| 30 | Willie Mae Abrams | 23 | Wife | None | Mississippi |
| 31 | Jasper Samuels | 51 | Head | Laborer | Mississippi |
| 32 | Julia Samuels | 48 | Wife | None | Georgia |
| 33 | Elias Mccallister | 31 | Roomer | Car Washer | Mississippi |
| 34 | Mattie Mccallister | 29 | Wife | None | Louisiana |
| 35 | Nicie Mingo | 48 | Head | None | Mississippi |
| 36 | Lee Ethel Mingo | 33 | Daughter | Family Finisher | Mississippi |
| 37 | Juanita Mingo | 22 | Daughter | Family Finisher | Nebraska |
| 38 | Harold Mingo | 21 | Son | Laborer | Mississippi |
| 39 | Howard Mingo | 18 | Son | New Worker | Mississippi |
| 40 | Lottie Mingo | 58 | Head | None | Mississippi |
Pedigree Summary
Mary + 1 sibling
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)