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Mary Lambert — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Wayne-County, Michigan
Our Model Tree links this Mary Lambert across the 1930 and 1940 US Censuses in Wayne-County, Michigan (XGBoost, ~Confirmed) — first a daughter (b.~1923), then head of a 12-person household.
Age 17
b. ~1923
Female
Daughter
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Wayne-County, Michigan |
| Surname | Lambert |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Allen Park |
| 1935 Residence (County) | Wayne |
| Additional Details | |
| Occupation | House Maid |
| Industry | Private Home |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Michigan |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | House Maid |
| Township / Ward | Taylor Twp |
| Est. Birth Year | ~1923 |
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.
12 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Betty Lambert | Daughter | — | 13 | ~1927 |
| Thelma Lambert | Daughter | — | 9 | ~1931 |
| Mary Lambert | Daughter | — | 17 | ~1923 |
| Anna Barnie | Daughter | — | 19 | ~1921 |
| Eli Lambert | Head | — | 41 | ~1899 |
| Norman Barnie | Other | — | 21 | ~1919 |
| Eli Lambert | Son | — | 11 | ~1929 |
| Clifford Lambert | Son | — | 4 | ~1936 |
| William Lambert | Son | — | 5 | ~1935 |
| Jackie Lambert | Son | — | 7 | ~1933 |
| James Lambert | Son | — | 2 | ~1938 |
| Emma Lambert | Spouse | — | 36 | ~1904 |
Census Appearances
1930
Wayne, Michigan
Daughter, age 7
Wayne, Michigan · implied b. ~1923 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lambert |
| Given Name | Mae |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | England |
| Mother's Birthplace | Scotland |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Wayne-County, Michigan
Daughter, age 17
Wayne-County, Michigan · implied b. ~1923 — 12 household members
| Surname | Lambert |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Allen Park |
| 1935 Residence (County) | Wayne |
| Occupation | House Maid |
| Industry | Private Home |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Michigan |
| 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 Lambert across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Lambert
Daughter · 1940 · age 17 · b. ~1923 · Michigan
★ You are viewing this record
Sibling
William Lambert
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clifford Lambert
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eli Lambert
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Barnie
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thelma Lambert
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Lambert
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jackie Lambert
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Lambert
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
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-t0627-01836-00290)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ann Smith | 23 | Wife | — | Michigan |
| 2 | William Garde | 22 | Lodger | New Worker | Michigan |
| 3 | Raymond Tokarczyk | 27 | Head | Machine Operator | Indiana |
| 4 | Dorothy Tokarczyk | 19 | Wife | — | Michigan |
| 5 | Raymond Carter | 32 | Head | Steel Worker | Missouri |
| 6 | Mary Carter | 31 | Wife | — | Ohio |
| 7 | Charles Sheldon | 29 | Head | Steel Worker | Michigan |
| 8 | Virginia Sheldon | 23 | Wife | — | Michigan |
| 9 | Milton Sheldon | 2 | Son | — | Michigan |
| 10 | Arthur Robloff | 31 | Head | Constructor | Michigan |
| 11 | Ina Robloff | 31 | Wife | — | Michigan |
| 12 | Myron Robloff | 11 | Son | — | Michigan |
| 13 | Eli Lambert | 41 | Head | Mechanic | Kentucky |
| 14 | Emma Lambert | 36 | Wife | — | Kentucky |
| 15 | Mary Lambert THIS PERSON | 17 | Daughter | House Maid | Michigan |
| 16 | Betty Lou Lambert | 13 | Daughter | — | Michigan |
| 17 | Eli Jr. Lambert | 11 | Son | — | Michigan |
| 18 | Thelma Jean Lambert | 9 | Daughter | — | Michigan |
| 19 | Jackie Lambert | 7 | Son | — | Michigan |
| 20 | William Lambert | 5 | Son | — | Michigan |
| 21 | Clifford Lambert | 4 | Son | — | Michigan |
| 22 | James Eldon Lambert | 2 | Son | — | Michigan |
| 23 | Norman Barnie | 21 | Son-in-law | Carpenter | Michigan |
| 24 | Anna Barnie | 19 | Daughter | — | Kentucky |
| 25 | David Varga | 28 | Head | Machinist | Michigan |
| 26 | Irma Varga | 27 | Wife | Loader | Michigan |
| 27 | Geraldine Varga | 6 | Daughter | — | Michigan |
| 28 | David Jr. Varga | 4 | Son | — | Michigan |
| 29 | Ronald Varga | 1 | Son | — | Michigan |
| 30 | Rudolf Green | 32 | Head | Steel Worker | Wisconsin |
| 31 | Ida Green | 70 | Mother | — | Sweden |
| 32 | Carmine Green | 16 | Nephew | Paper Boy | Wisconsin |
| 33 | Wesley Cradock | 31 | Head | Laborer | England |
| 34 | Frances Cradock | 24 | Wife | — | Pennsylvania |
| 35 | Alice Marie Cradock | 1 | Daughter | — | Michigan |
| 36 | Stanley Kuzara | 34 | Head | Electrician | Michigan |
| 37 | Berd Kuzara | 32 | Wife | — | Canada-English |
| 38 | Rita Kuzara | 12 | Daughter | — | Michigan |
| 39 | Lorraine Kuzara | 9 | Daughter | — | Michigan |
| 40 | Peter Brokemer | 36 | Head | Moulder | Missouri |
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)