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Mary Lambert — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Leon-County, Florida
Our Model Tree links this Mary Lambert across the 1930 and 1940 US Censuses in Leon-County, Florida (XGBoost, ~Confirmed) — first a daughter (b.~1930), then head of a 11-person household.
Age 10
b. ~1930
Female
Daughter
Born: Florida
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Leon-County, Florida |
| Surname | Lambert |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Florida |
| 1935 Residence (City) | Tallahassee City |
| 1935 Residence (County) | Leon |
| Additional Details | |
| Highest Grade | No 5 |
| 1935 Residence | Florida |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
| Township / Ward | Tallahassee City |
| Est. Birth Year | ~1930 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| L Lambert | Daughter | — | 19 | ~1921 |
| Grace Lambert | Daughter | — | 4 | ~1936 |
| Mary Lambert | Daughter | — | 10 | ~1930 |
| Martha Lambert | Daughter | — | 3 | ~1937 |
| M Lambert | Head | — | 43 | ~1897 |
| Arthur Lambert | Son | — | 7 | ~1933 |
| M Lambert | Son | — | 12 | ~1928 |
| William Lambert | Son | — | 17 | ~1923 |
| Robert Lambert | Son | — | 14 | ~1926 |
| Joel Lambert | Son | — | 9 | ~1931 |
| Gertrude Lambert | Spouse | — | 39 | ~1901 |
Census Appearances
1930
Leon, Florida
Daughter, age
Leon, Florida · implied b. ~1930 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lambert |
| Given Name | Mary W. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Florida |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Georgia |
| Occupation | none |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
1940
Leon-County, Florida
Daughter, age 10
Leon-County, Florida · implied b. ~1930 — 11 household members
| Surname | Lambert |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Florida |
| 1935 Residence (City) | Tallahassee City |
| 1935 Residence (County) | Leon |
| Highest Grade | No 5 |
| 1935 Residence | Florida |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
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 10 · b. ~1930 · Florida
★ You are viewing this record
Sibling
Arthur Lambert
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Lambert
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joel Lambert
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Martha Lambert
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
L Lambert
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
M Lambert
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Grace Lambert
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Lambert
Sibling · 1940 · age 14
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 — Leon-County, Florida
Open full size
1940 US Federal Census — Leon-County, Florida
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00597-00046)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John T. Sheppard | 7 | Son | — | Georgia |
| 42 | Florence P. Davis | 48 | Head | — | Florida |
| 43 | Enid Davis | 25 | Daughter | — | Florida |
| 44 | Beinta Stoutamire | 18 | Grand daughter | — | Florida |
| 45 | James Hancock | 22 | Head | Driver | Florida |
| 46 | Ann Bell Hancock | 22 | Wife | — | Florida |
| 47 | Carrie S. Ailain | 46 | Head | Maid | Florida |
| 48 | Richard Moore | 21 | Grandson | Painter | Florida |
| 49 | Vera Eula Moore | 18 | Grand dau | — | Florida |
| 50 | George Branch | 23 | Head | Plumber | Florida |
| 51 | Louise Branch | 21 | Wife | — | Florida |
| 52 | A. L. Hemmingway | 33 | Head | Lineman | Florida |
| 53 | Mabel Hemmingway | 24 | Wife | — | Florida |
| 54 | Evelyn Hemmingway | 9 | Daughter | — | Florida |
| 55 | Annie Sherman | 68 | Mother in law | — | Alabama |
| 56 | W. J. Moore | 32 | Head | Painter | Florida |
| 57 | Albertine Moore | 32 | Wife | — | South Carolina |
| 58 | Mary Jane Moore | 5 | Daughter | — | Florida |
| 59 | Scott Moody | 42 | Head | Plumber | Florida |
| 60 | Mae Moody | 31 | Wife | Typist | Florida |
| 61 | Rosa D. White | 61 | Sister | — | Florida |
| 62 | M. L. Lambert | 43 | Head | Truck Driver | Georgia |
| 63 | Gertrude Lambert | 39 | Wife | — | Georgia |
| 64 | L. J. Lambert | 19 | Daughter | File Clerk | Georgia |
| 65 | William Lambert | 17 | Son | — | Georgia |
| 66 | Robert Lambert | 14 | Son | — | Florida |
| 67 | M. L. Jr. Lambert | 12 | Son | — | Florida |
| 68 | Mary Lambert THIS PERSON | 10 | Daughter | — | Florida |
| 69 | Joel Lambert | 9 | Son | — | Florida |
| 70 | Arthur Lambert | 7 | Son | — | Florida |
| 71 | Grace Earle Lambert | 4 | Daughter | — | Florida |
| 72 | Martha Jane Lambert | 3 | Daughter | — | Florida |
| 73 | G. A. Brumby | 64 | Head | Janitor | Georgia |
| 74 | Lena D. Brumby | 65 | Wife | — | Georgia |
| 75 | A. J. Brumby | 29 | Son | Truck Driver | Georgia |
| 76 | Arthur Brumby | 20 | Son | Taxi Driver | Florida |
| 77 | Medford Brumby | 17 | Son | Delivery Boy | Georgia |
| 78 | Edna Brumby | 15 | Daughter | — | Florida |
| 79 | Nina Mae Brumby | 12 | Daughter | — | Florida |
| 80 | Mattie Higgins | 50 | Head | Typist-Clerk | South Carolina |
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)