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Mary Logan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Mary Logan across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1880), then head of a 4-person household.
Age 60
b. ~1880
Female
Spouse
Born: Ireland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Logan |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 60 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Additional Details | |
| Highest Grade | H 4 |
| 1935 Residence | Same house |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1880 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| John Logan | Head | — | 64 | ~1876 |
| James Logan | Son | — | 27 | ~1913 |
| John Logan | Son | — | 37 | ~1903 |
| Mary Logan | Spouse | — | 60 | ~1880 |
Census Appearances
1920
Cook, Illinois
Spouse, age 40
Cook, Illinois · implied b. ~1880 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Logan |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1901 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Year of Naturalization | 1904 |
| Birthplace (normalized) | ireland |
1930
Cook, Illinois
Spouse, age 50
Cook, Illinois · implied b. ~1880 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Logan |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1881 |
| Age at First Marriage | 24 |
| 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
Spouse, age 60
Cook-County, Illinois · implied b. ~1880 — 4 household members
| Surname | Logan |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 60 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Highest Grade | H 4 |
| 1935 Residence | Same house |
| 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 Logan 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 Logan
Spouse · 1940 · age 60 · b. ~1880 · 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-t0627-00934-00414)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Fred G Bernstein | 55 | Head | Attorney | Illinois |
| 2 | Lillie Bernstein | 52 | Wife | — | Illinois |
| 3 | Arthur Bernstein | 29 | Son | Attorney | Illinois |
| 4 | Stanley Bernstein | 27 | Son | Engineer | Illinois |
| 5 | Bertha Bernstein | 73 | Mother-in-law | — | Illinois |
| 6 | Jose Bernstein | 19 | Son | — | Illinois |
| 7 | Carl S Bunting | 41 | Head | Executive | Illinois |
| 8 | Esther S Bunting | 41 | Wife | — | Michigan |
| 9 | Mary Bunting | 16 | Daughter | — | Illinois |
| 10 | Carl Bunting | 14 | Son | — | Illinois |
| 11 | Dohne Bunting | 12 | Son | — | Illinois |
| 12 | Barbara Bunting | 9 | Daughter | — | Illinois |
| 13 | Seward Davis | 68 | Head | Advertiser | Illinois |
| 14 | Virginia Hogue | 60 | Maid | Maid | Missouri |
| 15 | John Logan | 64 | Head | President | Ireland |
| 16 | Mary Logan THIS PERSON | 60 | Wife | — | Ireland |
| 17 | John Logan | 37 | Son | Executive | Ireland |
| 18 | James Logan | 27 | Son | Executive | Illinois |
| 19 | David O'Rourke | 48 | Head | Doctor | Illinois |
| 20 | Lillian O'Rourke | 47 | Wife | — | Iowa |
| 21 | David Jr O'Rourke | 21 | Son | — | Illinois |
| 22 | Carl Rinder | 50 | Head | Doctor | Nebraska |
| 23 | Jane Rinder | 49 | Wife | — | Illinois |
| 24 | Jane Rinder | 23 | Daughter | — | Illinois |
| 25 | George Rinder | 19 | Son | — | Illinois |
| 26 | Sarah Wilburn | 54 | Maid | Maid | Missouri |
| 27 | Emily B Ford | 65 | Head | — | Illinois |
| 28 | Emma Nelson | 67 | Head | — | Sweden |
| 29 | Walter Nelson | 32 | Son | Architect | Illinois |
| 30 | John Duffie | 56 | Head | Realtor | Illinois |
| 31 | Maid Mae Duffie | 53 | Sister | — | Illinois |
| 32 | James Mcauliffe | 25 | Maid | Maid | Ireland |
| 33 | Ed Tingwall | 55 | Head | Executive | Minnesota |
| 34 | Viola Tingwall | 48 | Wife | — | Michigan |
| 35 | John Tingwall | 7 | Son | — | Illinois |
| 36 | John Clauder | 28 | Butler | Butler | Louisiana |
| 37 | Lucille Clauder | 26 | Maid | Maid | Texas |
| 38 | August Shoemaker | 65 | Head | Salesman | Illinois |
| 39 | Mable Shoemaker | 58 | Wife | — | Illinois |
| 40 | Guy Buswell | 49 | Head | Teacher | Nebraska |
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)