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Mary Lang — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Wayne-County, Michigan
Our Model Tree links this Mary Lang across the 1920, 1930 and 1940 US Censuses in Wayne-County, Michigan (XGBoost, ~Confirmed) — first a spouse (b.~1884), then head of a 5-person household.
Age 56
b. ~1884
Female
Spouse
Born: Scotland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Wayne-County, Michigan |
| Surname | Lang |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Detroit City |
| 1935 Residence (County) | Wayne |
| Naturalization Status | Alien |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
| Township / Ward | Detroit City |
| Est. Birth Year | ~1884 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Lang | Spouse | — | 56 | ~1884 |
| William Lang | Head | — | 58 | ~1882 |
| Jessie Sproul | Daughter | — | 29 | ~1911 |
| May Lang | Daughter | — | 16 | ~1924 |
| John Sproul | Other | — | 27 | ~1913 |
Census Appearances
Spouse, age 38
Wayne, Michigan · implied b. ~1882 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Long |
| Given Name | Mary W |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Scotland |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1930
Wayne, Michigan
Spouse, age 47
Wayne, Michigan · implied b. ~1883 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lang |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Scotland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1909 |
| Age at First Marriage | 27 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1940
Wayne-County, Michigan
Spouse, age 56
Wayne-County, Michigan · implied b. ~1884 — 5 household members
| Surname | Lang |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Detroit City |
| 1935 Residence (County) | Wayne |
| Naturalization Status | Alien |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
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 Lang 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 Lang
Spouse · 1940 · age 56 · b. ~1884 · 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
39 people indexed on this census page (nara:1940:m-t0627-01840-00552)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ida Pichner | 49 | Head | — | Michigan |
| 42 | Dorothy Pichner | 22 | Daughter | Retail Saleslady | Michigan |
| 43 | Helen Pichner | 17 | Daughter | — | Michigan |
| 44 | Michael Bahor | 46 | Head | Machine Operator | Yugo-Slavia |
| 45 | Anna Bahor | 46 | Wife | — | Michigan |
| 46 | Ernest Bahor | 22 | Son | Laboratory Chem. Engineer | Michigan |
| 47 | Clara Bahor | 20 | Daughter | Typist | Michigan |
| 48 | Margaret Bahor | 15 | Daughter | — | Michigan |
| 49 | John Hnatiuk | 63 | Head | Laborer | Poland |
| 50 | Mary Hnatiuk | 49 | Wife | Housekeeper | Poland |
| 51 | Anthony Hnatiuk | 22 | Son | Drill Press Oper. | Can. English |
| 52 | William Hnatiuk | 20 | Son | Laboratory Maintenance | Can. English |
| 53 | Michael Hnatiuk | 19 | Son | — | Can. English |
| 54 | Helen Hnatiuk | 15 | Daughter | — | Michigan |
| 55 | Alex Neznyk | 55 | Lodger | Machine Operator | Roumania |
| 56 | Willis Harvey | 44 | Head | Maker | Missouri |
| 57 | Hazel Harvey | 40 | Wife | — | Missouri |
| 58 | Wilma Harvey | 18 | Daughter | Saleslady | Michigan |
| 59 | Paul Harvey | 17 | Son | Manager Paper Station | Michigan |
| 60 | Edgar Harvey | 14 | Son | Boy | Michigan |
| 61 | Betty Harvey | 5 | Daughter | — | Michigan |
| 62 | George Obadin | 65 | Head | — | Croatia |
| 63 | Catherine Obadin | 57 | Wife | — | Yugo-Slavia |
| 64 | Nicholas Obadin | 24 | Son | Street Const | Michigan |
| 65 | George Babajoff | 59 | Head | Maker | Bulgaria |
| 66 | Fidanka Babajoff | 55 | Wife | — | Bulgaria |
| 67 | Nicholas Babajoff | 29 | Son | Dye Engineer | Bulgaria |
| 68 | Dan Moore | 41 | Head | Truck Driver | Michigan |
| 69 | Minnie Moore | 54 | Wife | — | Michigan |
| 70 | Ervin Moore | 13 | Son | — | Michigan |
| 71 | Thomas Moore | 17 | Son | — | Michigan |
| 72 | William Lang | 58 | Head | Grating Carpenter | Scotland |
| 73 | Mary Lang THIS PERSON | 56 | Wife | — | Scotland |
| 74 | May Lang | 16 | Daughter | — | Michigan |
| 75 | John Sproul | 27 | Son-in-law | Time Keeper | Scotland |
| 76 | Jessie Sproul | 29 | Daughter | Stenographer | Michigan |
| 77 | William Baker | 50 | Head | Machine Repairman | Michigan |
| 78 | Josephine Baker | 43 | Wife | — | Austria |
| 79 | Josephine Baker | 21 | Daughter | — | Michigan |
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)