MC
Mary Carey — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Mary Carey across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1884), then head of a 3-person household.
Age 56
b. ~1884
Female
Head
Born: Ireland
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Carey |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 56 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Township / Ward | Chicago |
| Est. Birth Year | ~1884 |
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 |
|---|---|---|---|---|
| Genevieve Carey | Daughter | — | 13 | ~1927 |
| Mary Carey | Head | — | 56 | ~1884 |
| Thomas Carey | Son | — | 29 | ~1911 |
Census Appearances
1920
Cook, Illinois
Spouse, age 35
Cook, Illinois · implied b. ~1885 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carey |
| Given Name | Margaret |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Ireland |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Irish |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1930
Cook, Illinois
Spouse, age 45
Cook, Illinois · implied b. ~1885 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carey |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1905 |
| Age at First Marriage | 30 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
Cook-County, Illinois
Head, age 56
Cook-County, Illinois · implied b. ~1884 — 3 household members
| Surname | Carey |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 56 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
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 Carey across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Carey
Head · 1940 · age 56 · b. ~1884 · Illinois
★ You are viewing this record
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-t0627-01008-00555)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Casper D Klepper | 73 | Head | — | Minnesota |
| 2 | Mathias Schmied | 59 | Brother | Polisher | Illinois |
| 3 | Mary Carey THIS PERSON | 56 | Head | — | Ireland |
| 4 | Thomas Carey | 29 | Son | Laborer | Illinois |
| 5 | Genevieve Carey | 13 | Daughter | — | Illinois |
| 6 | Foster Kendler | 32 | Head | Printer | Illinois |
| 7 | Margaret Kendler | 24 | Wife | — | Illinois |
| 8 | Bernadette Kendler | 4 | Daughter | — | Illinois |
| 9 | Alexander Keating | 53 | Head | — | Latvia |
| 10 | Burl Gray | 27 | Head | Truck Driver | Kentucky |
| 11 | Lillian Gray | 23 | Wife | — | Illinois |
| 12 | Jesse W Gray | 20 | Brother | Cooks Assistant | Kentucky |
| 13 | Rosena Hartman | 49 | Head | — | Bohemia |
| 14 | Rube Gertrude Hartman | 35 | Daughter | — | Illinois |
| 15 | William Madder | 45 | Head | Chauffeur | Illinois |
| 16 | Anna Madder | 42 | Wife | Packer | Illinois |
| 17 | A Frank Madder | 21 | Son | Bell Boy | Illinois |
| 18 | Genevieve Madder | 18 | Daughter | — | Illinois |
| 19 | Robert Madder | 7 | Son | — | Illinois |
| 20 | Joseph H Prazier | 45 | Head | Chauffeur | Illinois |
| 21 | Elizabeth Prazier | 38 | Wife | Laundress | Illinois |
| 22 | Joseph R Prazier | 15 | Son | — | Illinois |
| 23 | Betty June Prazier | 13 | Daughter | — | Illinois |
| 24 | Robert Newton Prazier | 12 | Son | — | Illinois |
| 25 | Lester Paulsen | 21 | Head | Truck Driver | Wisconsin |
| 26 | Elmira Paulsen | 19 | Wife | — | Illinois |
| 27 | John J Brahler | 52 | Head | — | Illinois |
| 28 | Rita Brahler | 21 | Daughter | Secretary | Illinois |
| 29 | Jack Brahler | 17 | Son | — | Illinois |
| 30 | Joe Franko | 46 | Head | Glazier | Lithuania |
| 31 | Ida Franko | 43 | Wife | — | Poland |
| 32 | Mollie Franko | 22 | Daughter | Stenotypist | Illinois |
| 33 | Jeannette Franko | 19 | Daughter | Office Girl | Illinois |
| 34 | Harold Franko | 11 | Son | — | Illinois |
| 35 | Bashkind Sluta | 85 | Mother-in-law | — | Poland |
| 36 | Baker Milo | 43 | Head | Laborer | Kentucky |
| 37 | Nyla Milo | 38 | Wife | — | Kentucky |
| 38 | Thomas Milo | 12 | Son | — | Kentucky |
| 39 | Henry Gibson | 60 | Head | Janitor | Tennessee |
| 40 | Lucetta Gibson | 61 | Wife | — | Tennessee |
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)