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Margaret Maloney — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Margaret Maloney across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1862), then head of a 6-person household.
Age 78
b. ~1862
Female
Spouse
Born: Ireland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Maloney |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 78 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Additional Details | |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Township / Ward | Chicago |
| Est. Birth Year | ~1862 |
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 Margaret | Age | Birth yr |
|---|---|---|---|---|
| Michael Maloney | Head | — | 82 | ~1858 |
| Edward Mcdowell | Son | — | 21 | ~1919 |
| John Mcdowell | Son | — | 23 | ~1917 |
| Margaret Maloney | Spouse | — | 78 | ~1862 |
| George Skowron | Other | — | 34 | ~1906 |
| Stella Mcdowell | Other | — | 46 | ~1894 |
Census Appearances
Head, age 57
Cook, Illinois · implied b. ~1863 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Maloney |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 57 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| Year of Immigration | 1880 |
| Naturalization Status | Alien |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1930
Cook, Illinois
Other, age 67
Cook, Illinois · implied b. ~1863 — 50 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Maloney |
| Given Name | Mary |
| Sex | F |
| Color / Race | White |
| Age | 67 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1879 |
| Age at First Marriage | 22 |
| 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 78
Cook-County, Illinois · implied b. ~1862 — 6 household members
| Surname | Maloney |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 78 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 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 Margaret Maloney across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Margaret Maloney
Spouse · 1940 · age 78 · b. ~1862 · 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
38 people indexed on this census page (nara:1940:m-t0627-00945-00343)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John Wittie | 61 | Head | — | Indiana |
| 2 | Louise Wittie | 60 | Wife | — | Germany |
| 3 | Harvey J. O'Brien | 47 | Head | Machine Shop Work | Indiana |
| 4 | Sophie O'Brien | 41 | Wife | — | Illinois |
| 5 | Thomas O'Brien | 15 | Son | — | Illinois |
| 6 | Paul O'Brien | 7 | Son | — | Indiana |
| 9 | Michael Maloney | 82 | Head | — | Ireland |
| 10 | Margaret Maloney THIS PERSON | 78 | Wife | — | Ireland |
| 11 | Stella Mcdowell | 46 | Mother | — | Poland |
| 12 | John Mcdowell | 23 | Son | Assembler | Illinois |
| 13 | Edward Mcdowell | 21 | Son | Lathe Operator | Illinois |
| 14 | George Skowron | 34 | Lodger | Upholsterer | Illinois |
| 15 | Robert Sullivan | 27 | Head | Clerk | Illinois |
| 16 | Marie Sullivan | 24 | Wife | — | Illinois |
| 17 | Robert Sullivan | 5 | Son | — | Illinois |
| 18 | Donald Sullivan | 2 | Son | — | Illinois |
| 19 | Arlene Sullivan | 2 | Daughter | — | Illinois |
| 20 | John Radke | 47 | Father | — | Illinois |
| 21 | Frank Albrecht | 77 | Head | Watchman | Germany |
| 22 | Georgene Albrecht | 73 | Wife | — | Germany |
| 23 | Frank Karczewski | 58 | Head | — | Poland |
| 24 | Helen Karczewski | 32 | Daughter | Domestics | Illinois |
| 25 | John Karczewski | 31 | Son | Laborer | Illinois |
| 26 | Edward Karczewski | 21 | Son | Loader | Illinois |
| 27 | Chester Karczewski | 26 | Head | Hand Screw Operator | Illinois |
| 28 | Marion Karczewski | 21 | Wife | — | Illinois |
| 29 | Maureen Karczewski | 1 | Daughter | — | Illinois |
| 30 | Mary Sivens | 67 | Mother | — | Germany |
| 31 | Mabel Schultz | 33 | Niece | — | Illinois |
| 32 | Louis H. Schultz | 65 | Head | Machinist | Illinois |
| 33 | Minnie Schultz | 61 | Wife | — | Germany |
| 34 | Russell Schultz | 21 | Son | Machinist | Illinois |
| 35 | Oswald H. Schultz | 33 | Head | Machine Mechanic | Wisconsin |
| 36 | Anna B. Schultz | 31 | Wife | — | Illinois |
| 37 | Mary Schultz | 13 | Daughter | — | Illinois |
| 38 | Richard Schultz | 7 | Son | — | Illinois |
| 39 | Lorraine Schultz | 4 | Daughter | — | Illinois |
| 40 | Louis Buelow | 72 | Head | — | Illinois |
Related Census Records
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)