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Mary Thomas — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Wayne-County, Michigan
Our Model Tree links this Mary Thomas across the 1920, 1930 and 1940 US Censuses in Wayne-County, Michigan (XGBoost, ~Confirmed) — first a spouse (b.~1883), then head of a 7-person household.
Age 57
b. ~1883
Female
Spouse
Born: Hungary
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Wayne-County, Michigan |
| Surname | Thomas |
| Given Name | Mary |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Hungary |
| 1935 Residence (City) | Detroit City |
| 1935 Residence (County) | Wayne |
| Naturalization Status | Naturalized |
| Additional Details | |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | 0 |
| 1935 Residence | Same house |
| Birth Country | Hungary |
| Birthplace (normalized) | hungary |
| Township / Ward | Detroit City |
| Est. Birth Year | ~1883 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Helen Thomas | Daughter | — | 24 | ~1916 |
| Ann Thomas | Daughter | — | 30 | ~1910 |
| Margaret Thomas | Daughter | — | 15 | ~1925 |
| Marion Thomas | Daughter | — | 28 | ~1912 |
| George Thomas | Head | — | 48 | ~1892 |
| George Thomas | Son | — | 18 | ~1922 |
| Mary Thomas | Spouse | — | 57 | ~1883 |
Census Appearances
1920
Wayne, Michigan
Spouse, age 36
Wayne, Michigan · implied b. ~1884 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Hungary |
| Year of Immigration | 1913 |
| Naturalization Status | Alien |
| Father's Birthplace | Hungary |
| Mother's Birthplace | Hungary |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | No |
| Mother Tongue | Magyar |
| Birth Country | Hungary |
| Birthplace (normalized) | hungary |
1930
Wayne, Michigan
Other, age 46
Wayne, Michigan · implied b. ~1884 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Tamas |
| Given Name | Marguerite |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Hungary |
| Naturalization Status | Alien |
| Year of Immigration | 1914 |
| Age at First Marriage | 24 |
| Father's Birthplace | Hungary |
| Mother's Birthplace | Hungary |
| Mother Tongue | Magyar |
| Birth Country | Hungary |
| Birthplace (normalized) | hungary |
1940
Wayne-County, Michigan
Spouse, age 57
Wayne-County, Michigan · implied b. ~1883 — 7 household members
| Surname | Thomas |
| Given Name | Mary |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Hungary |
| 1935 Residence (City) | Detroit City |
| 1935 Residence (County) | Wayne |
| Naturalization Status | Naturalized |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | 0 |
| 1935 Residence | Same house |
| Birth Country | Hungary |
| Birthplace (normalized) | hungary |
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 Thomas 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 Thomas
Spouse · 1940 · age 57 · b. ~1883 · Michigan
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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 — 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-t0627-01854-00625)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Sophie Arvawic | 19 | daughter | New Worker | Michigan |
| 42 | Joe Arvawic | 17 | son | — | Michigan |
| 43 | Walter Arvawic | 15 | son | — | Michigan |
| 44 | John Derlick | 27 | son-in-law | Mechanic | Michigan |
| 45 | Helen Derlick | 23 | daughter | — | Michigan |
| 46 | Bernie Zarembski | 46 | head | Metal Polisher | Poland |
| 47 | Agnes Zarembski | 41 | wife | — | Michigan |
| 48 | William Zarembski | 18 | son | Busboy | Michigan |
| 49 | Mitchell Zarembski | 16 | son | — | Michigan |
| 50 | Richard Zarembski | 14 | son | — | Michigan |
| 51 | Irene Zarembski | 12 | son | — | Michigan |
| 52 | Jacob Cichocki | 53 | head | Machinery | Poland |
| 53 | Joseph Budzinski | 57 | head | Wood Worker | Poland |
| 54 | Anna Budzinski | 45 | wife | Bench Press | Poland |
| 55 | Joseph Jr. Budzinski | 25 | son | Spot Cleaner | Michigan |
| 56 | Eddie Budzinski | 20 | son | New Worker | Michigan |
| 57 | Tony Dudka | 54 | head | Loader | Poland |
| 58 | Stella Dudka | 48 | wife | Punch Press | Poland |
| 59 | Helen Dudka | 18 | daughter | Packer | Pennsylvania |
| 60 | Sophie Dudka | 17 | daughter | Packer | Pennsylvania |
| 61 | John Budzinski | 44 | head | Laborer | Poland |
| 62 | Adela Budzinski | 36 | wife | — | Poland |
| 63 | Teddy Budzinski | 11 | son | — | Michigan |
| 64 | Mike Bednarczyk | 46 | head | Assembly Line | Poland |
| 65 | Bernice Bednarczyk | 34 | wife | — | Poland |
| 66 | Jane Bednarczyk | 7 | daughter | — | Michigan |
| 67 | Irene Bednarczyk | 4 | daughter | — | Michigan |
| 68 | Walter Bednarczyk | 1 | son | — | Michigan |
| 69 | Joseph Wisniewski | 47 | head | Helper | Poland |
| 70 | Victoria Wisniewski | 47 | wife | — | Poland |
| 71 | Alfred Wisniewski | 22 | son | Polisher | Michigan |
| 72 | Helene Wisniewski | 18 | daughter | New Worker | Michigan |
| 73 | George Thomas | 48 | head | Salesman | Hungary |
| 74 | Mary Thomas THIS PERSON | 57 | wife | — | Hungary |
| 75 | Ann Thomas | 30 | daughter | Counter Work | Pennsylvania |
| 76 | Marion Thomas | 28 | daughter | Billing | Indiana |
| 77 | Helen Thomas | 24 | daughter | — | Michigan |
| 78 | George Thomas | 18 | son | — | Michigan |
| 79 | Margaret Thomas | 15 | daughter | — | Michigan |
| 80 | Frank Szczaba | 45 | head | Foundry | Poland |
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)