MG
Mary Gibbons — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Mary Gibbons across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1894), then head of a 6-person household.
Age 46
b. ~1894
Female
Spouse
Born: Ireland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | GIBBONS |
| Given Name | MARY |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Township / Ward | Chicago |
| Est. Birth Year | ~1894 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Michael Gibbons | Head | — | 54 | ~1886 |
| Mary Gibbons | Daughter | — | 14 | ~1926 |
| John Gibbons | Son | — | 17 | ~1923 |
| Nora Gibbons | Daughter | — | 11 | ~1929 |
| Ellen Gibbons | Daughter | — | 16 | ~1924 |
| Mary Gibbons | Spouse | — | 46 | ~1894 |
Census Appearances
1920
Cook, Illinois
Spouse, age 28
Cook, Illinois · implied b. ~1892 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gibbons |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1911 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Year of Naturalization | 1911 |
| Birthplace (normalized) | ireland |
1930
Cook, Illinois
Spouse, age 38
Cook, Illinois · implied b. ~1892 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gibbons |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1908 |
| Age at First Marriage | 20 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Housewife |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
Cook-County, Illinois
Spouse, age 46
Cook-County, Illinois · implied b. ~1894 — 6 household members
| Surname | GIBBONS |
| Given Name | MARY |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Class of Worker | 0 |
| Highest Grade | No 8 |
| 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 Gibbons across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Gibbons
Spouse · 1940 · age 46 · b. ~1894 · 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-t0627-00989-00401)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Lucille Smorawski | 20 | Daughter | Stenographer | Illinois |
| 2 | Carl Emery | 39 | Head | Barber | Illinois |
| 3 | Carrie Emery | 47 | Wife | — | Illinois |
| 4 | Ruth Emery | 18 | Daughter | Clerk | Illinois |
| 5 | Extra Line | None | — | — | — |
| 6 | Joseph Dobrocki | 40 | Head | Farm For Inspector | Illinois |
| 7 | Estelle Dobrocki | 30 | Wife | — | Illinois |
| 8 | Zola Dobrocki | 71 | Mother | — | Poland |
| 9 | George Wood | 45 | Head | Railroad Postal Clerk | Iowa |
| 10 | Kathryn Wood | 40 | Wife | — | Minnesota |
| 11 | Daniel Wood | 9 | Son | — | Illinois |
| 12 | Mary Wood | 5 | Daughter | — | Illinois |
| 13 | Peter Wood | 5 | Son | — | Illinois |
| 14 | Emern Mcallen | 72 | Mother in law | — | Indiana |
| 15 | Ralph C Golding | 49 | Head | Insurance Broker | Illinois |
| 16 | Stella Golding | 46 | Wife | — | Nebraska |
| 17 | Ralph V Golding | 22 | Son | Shipping Clerk | Illinois |
| 18 | Myron Golding | 18 | Son | Office Boy | Illinois |
| 19 | William Burris | 65 | Head | Foreman | Indiana |
| 20 | Nellie Burris | 56 | Wife | — | Illinois |
| 21 | Alma Burris | 30 | Daughter | — | Illinois |
| 22 | William Burris | 27 | Son | Punch Press Operator | Illinois |
| 23 | Raymond Burris | 22 | Son | Assembler | Illinois |
| 24 | Irene Koscher | 33 | Daughter | — | Illinois |
| 25 | George Koscher | 11 | Grandson | — | Illinois |
| 26 | Marshall Paidex | 30 | Head | Mechanic | Illinois |
| 27 | Agnes Paidex | 20 | Wife | — | Idaho |
| 28 | Elaine Paidex | 1 | Daughter | — | Illinois |
| 29 | Agnes Gilbert | 56 | Mother in law | Christian Science Practitioner | Iowa |
| 30 | Frances Thompson | 24 | Sister in law | Milliner | Idaho |
| 31 | Michael Gibbons | 54 | Head | Motorman | Ireland |
| 32 | Mary Gibbons THIS PERSON | 46 | Wife | — | Ireland |
| 33 | John Gibbons | 17 | Son | — | Illinois |
| 34 | Ellen Gibbons | 16 | Daughter | — | Illinois |
| 35 | Mary Gibbons | 14 | Daughter | — | Illinois |
| 36 | Nora Gibbons | 11 | Daughter | — | Illinois |
| 37 | Sylvester Glovacki | 38 | Head | Chauffeur | Illinois |
| 38 | Marie Glovacki | 37 | Wife | — | Illinois |
| 39 | Robert Glovacki | 13 | Son | — | Illinois |
| 40 | George Glovacki | 11 | Son | — | 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)