MC
Margaret Collins — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Margaret Collins across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1914), then head of a 5-person household.
Age 26
b. ~1914
Female
Spouse
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Collins |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Hours Worked | 0 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Chicago City |
| 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 Margaret | Age | Birth yr |
|---|---|---|---|---|
| Margaret Collins | Daughter | — | 3 | ~1937 |
| Patricia Collins | Daughter | — | 4 | ~1936 |
| Martin Collins | Head | — | 32 | ~1908 |
| Martin Collins | Son | — | 5 | ~1935 |
| Margaret Collins | Spouse | — | 26 | ~1914 |
Census Appearances
1920
Cook, Illinois
Other, age 5
Cook, Illinois · implied b. ~1915 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Collins |
| Given Name | Margaret |
| Relationship to Head | Granddaughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Other, age 15
Cook, Illinois · implied b. ~1915 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Collins |
| Given Name | Margaret |
| Relationship to Head | Sister |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Spouse, age 26
Cook-County, Illinois · implied b. ~1914 — 5 household members
| Surname | Collins |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Hours Worked | 0 |
| 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 Margaret Collins across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Margaret Collins
Spouse · 1940 · age 26 · b. ~1914 · Illinois
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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-t0627-00950-00060)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Guevaine Godsell | 11 | Daughter | — | Illinois |
| 2 | Claire Godsell | 10 | Daughter | — | Illinois |
| 3 | John Godsell | 7 | Son | — | Illinois |
| 4 | John O'Grady | 70 | Head | — | Eire |
| 5 | Ellen O'Grady | 67 | Wife | — | Eire |
| 6 | Bennie Denik | 47 | Head | — | Lithuania |
| 7 | Jack Denik | 12 | Son | — | Illinois |
| 8 | Helen Denik | 11 | Daughter | — | Illinois |
| 9 | Catherine Curran | 48 | Head | — | Illinois |
| 10 | Elmer Curran | 27 | Son | Laborer | Illinois |
| 11 | Alice Curran | 14 | Daughter | — | Illinois |
| 12 | Margaret Curran | 13 | Daughter | — | Illinois |
| 13 | Esther Hennessy | 30 | Daughter | Machine Operator | Illinois |
| 14 | Aileen Hennessy | 1 | Granddaughter | — | Illinois |
| 15 | Herbert Week | 72 | Head | Meat Peddler | Maine |
| 16 | Emma S. Week | 72 | Wife | — | No. Ireland |
| 17 | Carrie Wagner | 43 | Head | — | Illinois |
| 18 | Margaret Wagner | 15 | Daughter | — | Illinois |
| 19 | Lorraine Wagner | 13 | Daughter | — | Illinois |
| 20 | Delores Wagner | 11 | Daughter | — | Illinois |
| 21 | Joan Wagner | 7 | Daughter | — | Illinois |
| 22 | Edward Mclean | 70 | Head | — | Indiana |
| 23 | Rosette Mclean | 66 | Wife | — | Indiana |
| 24 | William Mcinerney | 31 | Head | Yard Man | Illinois |
| 25 | Ruth Mcinerney | 30 | Wife | — | Illinois |
| 26 | Ruth Mcinerney | 9 | Daughter | — | Illinois |
| 27 | Elmer Mcinerney | 5 | Son | — | Illinois |
| 28 | Bessie Mcinerney | 3 | Daughter | — | Illinois |
| 29 | Edward J. Bennett | 32 | Head | Signalman | Illinois |
| 30 | Margaret Bennett | 32 | Wife | — | Illinois |
| 31 | Edward Bennett | 5 | Son | — | Illinois |
| 32 | Charlotte Bennett | 5 | Daughter | — | Illinois |
| 33 | Martin Collins | 32 | Head | Police Officer | Illinois |
| 34 | Margaret Collins THIS PERSON | 26 | Wife | — | Illinois |
| 35 | Martin Jr. Collins | 5 | Son | — | Illinois |
| 36 | Patricia Collins | 4 | Daughter | — | Illinois |
| 37 | Margaret Collins | 3 | Daughter | — | Illinois |
| 38 | Margaret Mcdonell | 65 | Head | — | Eire |
| 39 | Henry Gansert | 68 | Lodger | — | Illinois |
| 40 | Henry Ludy | 44 | Head | — | Germany |
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)