MS
Mary Sweeney — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Wayne-County, Michigan
Our Model Tree links this Mary Sweeney across the 1920, 1930 and 1940 US Censuses in Wayne-County, Michigan (XGBoost, ~Confirmed) — first a spouse (b.~1890), then head of a 4-person household.
Age 50
b. ~1890
Female
Spouse
Born: Michigan
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Wayne-County, Michigan |
| Surname | Sweeney |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | Detroit City |
| 1935 Residence (County) | Wayne |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Township / Ward | Detroit City |
| Est. Birth Year | ~1890 |
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 |
|---|---|---|---|---|
| Elizabeth Sweeney | Daughter | — | 21 | ~1919 |
| John Sweeney | Head | — | 51 | ~1889 |
| John Sweeney | Son | — | 12 | ~1928 |
| Mary Sweeney | Spouse | — | 50 | ~1890 |
Census Appearances
1920
Wayne, Michigan
Spouse, age 29
Wayne, Michigan · implied b. ~1891 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sweeney |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
Spouse, age 40
Wayne, Michigan · implied b. ~1890 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sweeney |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Michigan |
| Age at First Marriage | 23 |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Wayne-County, Michigan
Spouse, age 50
Wayne-County, Michigan · implied b. ~1890 — 4 household members
| Surname | Sweeney |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | Detroit City |
| 1935 Residence (County) | Wayne |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
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 Sweeney 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 Sweeney
Spouse · 1940 · age 50 · b. ~1890 · Michigan
★ 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 — Wayne-County, Michigan
Open full size
1940 US Federal Census — Wayne-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01882-00043)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Harland Ingram | 29 | Son-in-law | Tool & Die Maker | Illinois |
| 2 | Harlene Ingram | 5 | Granddaughter | — | — |
| 3 | Elmer R. Schroeder | 43 | Head | Truck Driver | Michigan |
| 4 | Ruth F. Schroeder | 36 | Wife | — | Wisconsin |
| 5 | Willard R. Schroeder | 17 | Son | Machine Apprentice | Michigan |
| 6 | Geraldine J. Schroeder | 12 | Daughter | — | Michigan |
| 7 | Monica J. Schroeder | 8 | Daughter | — | Michigan |
| 8 | Cecil A. Hayward | 48 | Head | Sales Manager | Canada English |
| 9 | Mayme E. Hayward | 48 | Wife | — | Michigan |
| 10 | James W. Hayward | 20 | Son | Service Work | Michigan |
| 11 | Frank Johnston | 90 | Father-in-law | — | Michigan |
| 12 | Joseph A. Hayward | 52 | Brother | Salesman | Canada English |
| 13 | George R. Gould | 25 | Head | Fireman | Michigan |
| 14 | Mildred R. Gould | 21 | Wife | — | Illinois |
| 15 | Ronald R. Gould | 2 | Son | — | — |
| 16 | Peter H. Sweeney | 48 | Head | Painter & Decorating | Holland |
| 17 | Johanna Sweeney | 46 | Wife | — | Holland |
| 18 | Peter J. Sweeney | 20 | Son | Truck Driver | Michigan |
| 19 | Julius E. Oleson | 45 | Head | Investigator | Michigan |
| 20 | Ruth B. Oleson | 47 | Wife | — | Michigan |
| 21 | John E. Sweeney | 51 | Head | Salesman | Michigan |
| 22 | Mary Sweeney THIS PERSON | 50 | Wife | — | Michigan |
| 23 | Elizabeth Sweeney | 21 | Daughter | Service Representative | Michigan |
| 24 | John Jr. Sweeney | 12 | Son | — | Michigan |
| 25 | Oscar L. Benson | 56 | Head | Millwright | Connecticut |
| 26 | Esther N. Benson | 55 | Wife | — | Sweden |
| 27 | Harold W. Benson | 23 | Son | Salesman | Michigan |
| 28 | Wm. M. Brennan | 52 | Head | Millwright | Pennsylvania |
| 29 | Nellie M. Brennan | 51 | Wife | — | Pennsylvania |
| 30 | Agnes E. Miller | 48 | Sister | Machine Operator | Pennsylvania |
| 31 | Mary Teressa Calhoun | 53 | Sister | Machine Operator | Pennsylvania |
| 32 | James A. Miller | 9 | Nephew | — | Michigan |
| 33 | Alice M. Miller | 6 | Niece | — | Michigan |
| 34 | John J. Mcginty | 30 | Head | Tool & Die Maker | Pennsylvania |
| 35 | Eleanor F. Mcginty | 27 | Wife | — | Michigan |
| 36 | Mary K. Mcginty | 2 | Daughter | — | — |
| 37 | Loretta A. Mcginty | 1 | Daughter | — | — |
| 38 | Alvin Wallum | 55 | Head | Painter & Decorator | Norway |
| 39 | Marie Wallum | 38 | Wife | — | Russia |
| 40 | Frederick W. Hannon | 52 | Head | Tool & Die Maker | Canada English |
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)