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Mary Lowry — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Madison-County, Illinois
Our Model Tree links this Mary Lowry across the 1930 and 1940 US Censuses in Madison-County, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1919), then head of a 9-person household.
Age 21
b. ~1919
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Madison-County, Illinois |
| Surname | Lowry |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Alton |
| 1935 Residence (County) | Madison |
| Additional Details | |
| Occupation | Elevator Operator |
| Industry | General Store |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 104 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Elevator Operator |
| Township / Ward | Alton |
| Est. Birth Year | ~1919 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| George Lowry | Son | — | 19 | ~1921 |
| Josie Lowry | Spouse | — | 60 | ~1880 |
| Evangeline Lowry | Daughter | — | 19 | ~1921 |
| Mary Lowry | Daughter | — | 21 | ~1919 |
| Jo Crowder | Daughter | — | 3 | ~1937 |
| Jack Lowry | Other | — | 1 | ~1939 |
| Shelby Crowder | Other | — | 34 | ~1906 |
| George Lowry | Head | — | 63 | ~1877 |
| Noel Crowder | Daughter | — | 23 | ~1917 |
Census Appearances
1930
Madison, Illinois
Daughter, age 11
Madison, Illinois · implied b. ~1919 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lowry |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Elevator Operator |
| Industry | Dry Goods Store |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Madison-County, Illinois
Daughter, age 21
Madison-County, Illinois · implied b. ~1919 — 9 household members
| Surname | Lowry |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Alton |
| 1935 Residence (County) | Madison |
| Occupation | Elevator Operator |
| Industry | General Store |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 104 |
| Highest Grade | H 4 |
| 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 Lowry across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Lowry
Daughter · 1940 · age 21 · b. ~1919 · Illinois
★ You are viewing this record
Sibling
Jo Crowder
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Lowry
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Noel Crowder
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Evangeline Lowry
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 — Madison-County, Illinois
Open full size
1940 US Federal Census — Madison-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00848-00124)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Stanley Joy | 7 | Son | — | Illinois |
| 2 | William Williams | 47 | Head | Smelter | Missouri |
| 3 | Wilma Williams | 45 | Wife | House Keeper | Missouri |
| 4 | Gladys Williams | 24 | Daughter | Maid | Missouri |
| 5 | Lloyd Williams | 21 | Son | Truck Driver | Missouri |
| 6 | Thurrell Williams | 19 | Son | Porter | Missouri |
| 7 | Willie Lakes | 33 | Head | Refiner | Tennessee |
| 8 | Mattie Lakes | 29 | Wife | House Keeper | Tennessee |
| 9 | Bernice Lakes | 10 | Daughter | — | Tennessee |
| 10 | Edward Hill | 56 | Head | Laborer | Mississippi |
| 11 | Mary Hill | 49 | Wife | House Keeper | Mississippi |
| 12 | George Lowry | 63 | Head | Laborer | Illinois |
| 13 | Josie Lowry | 60 | Wife | Laundress | Illinois |
| 14 | Mary Lowry THIS PERSON | 21 | Daughter | Elevator Operator | Illinois |
| 15 | George Lowry | 19 | Son | — | Illinois |
| 16 | Evangeline Lowry | 19 | Daughter | — | Illinois |
| 17 | Shelby Crowder | 34 | Son-in-law | Crane Worker | Illinois |
| 18 | Noel Crowder | 23 | Daughter | House Keeper | Illinois |
| 19 | Jo Ann Crowder | 3 | Daughter | — | Illinois |
| 20 | Jack Lowry | 1 | Grand-son | — | Illinois |
| 21 | William Shelton | 57 | Head | Laborer | Missouri |
| 22 | — | None | — | — | — |
| 23 | — | None | — | — | — |
| 24 | Archie C. Owens | 67 | Head | General House Work | Illinois |
| 25 | John A. Jackson | 32 | Lodger | Porter | Illinois |
| 26 | Mina R. Jackson | 38 | Lodger | House Keeper | Kentucky |
| 27 | Nathan Gordon | 34 | Head | Car Washer | Mississippi |
| 28 | Nevada Gordon | 29 | Wife | House Keeper | Tennessee |
| 29 | Edward Johnson | 55 | Head | Car Washer | Massachusetts |
| 30 | Marie Johnson | 36 | Wife | Maid | Arkansas |
| 31 | Harriett Carrol | 36 | Head | Maid | Illinois |
| 32 | Oliver Sanders | 34 | Head | Laborer | Mississippi |
| 33 | Thelma Sanders | 29 | Wife | House Keeper | Arkansas |
| 34 | Robert Walker | 14 | Son | — | Arkansas |
| 35 | Thomas Hoof | 54 | Head | Depot Baggage Master | Illinois |
| 36 | — | None | — | — | — |
| 37 | Elex Womack | 39 | Head | Laborer | Tennessee |
| 38 | Lenora Palmer | 32 | Head | Maid | Georgia |
| 39 | Angeline Clay | 38 | Head | Maid | Missouri |
| 40 | John Canton | 51 | Lodger | Laborer | Illinois |
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)