RL
Robert Lambert — 1940 US Census Record
Model Tree available1940 United States Federal Census · Fulton-County, Georgia
Our Model Tree links this Robert Lambert across the 1920, 1930 and 1940 US Censuses in Fulton-County, Georgia (XGBoost, ~Confirmed), with identified parents William & William — first a son (b.~1919), then head of a 8-person household.
Age 21
b. ~1919
Male
Son
Born: Georgia
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Fulton-County, Georgia |
| Surname | Lambert |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Georgia |
| 1935 Residence (City) | Atlanta |
| 1935 Residence (County) | Fulton |
| Additional Details | |
| Occupation | Salesman |
| Industry | Bakery |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 955 |
| Highest Grade | H 4 |
| 1935 Residence | Same Place |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
| Occupation | Salesman |
| Township / Ward | Atlanta |
| Est. Birth Year | ~1919 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| William Lambert | Head | — | 62 | ~1878 |
| Cecil Lambert | Son | — | 32 | ~1908 |
| B Lambert | Daughter | — | 11 | ~1929 |
| Willie Lambert | Spouse | — | 54 | ~1886 |
| Virgil Lambert | Son | — | 18 | ~1922 |
| Eugene Lambert | Son | — | 17 | ~1923 |
| Margaret Lambert | Daughter | — | 14 | ~1926 |
| Robert Lambert | Son | — | 21 | ~1919 |
Census Appearances
1920
Fulton, Georgia
Son, age
Fulton, Georgia · implied b. ~1920 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lambert |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Georgia |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Georgia |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
1930
Fulton, Georgia
Son, age 11
Fulton, Georgia · implied b. ~1919 — 13 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lambert |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Georgia |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Georgia |
| Can Read/Write | Yes |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
1940
Fulton-County, Georgia
Son, age 21
Fulton-County, Georgia · implied b. ~1919 — 8 household members
| Surname | Lambert |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Georgia |
| 1935 Residence (City) | Atlanta |
| 1935 Residence (County) | Fulton |
| Occupation | Salesman |
| Industry | Bakery |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 955 |
| Highest Grade | H 4 |
| 1935 Residence | Same Place |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
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 Robert Lambert across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Lambert (~0.92 confidence) and father William Lambert (~0.92 confidence) and father William Lambert (~0.92 confidence) and mother Willie Lambert (~0.92 confidence) and mother Willie Lambert (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Lambert
b. ~1880
Source father
● Household
· direct · ~0.92
Father
William Lambert
b. ~1878
Source father
● Household
· direct · ~0.92
Father
William Lambert
b. ~1878
Source father
● Household
· direct · ~0.92
Mother
Willie Lambert
b. ~1886
Source mother
● Household
· direct · ~0.92
Mother
Willie Lambert
b. ~1886
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Lambert
Son · 1940 · age 21 · b. ~1919 · Georgia
★ You are viewing this record
Sibling
Eugene Lambert
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Lambert
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Virgil Lambert
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
B Lambert
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Cecil Lambert
Sibling · 1940 · age 32
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 — Fulton-County, Georgia
Open full size
1940 US Federal Census — Fulton-County, Georgia
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00726-00421)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | George Kostopoulos | 53 | Head | Waiter | Greece |
| 42 | Zoe Kostopoulos | 23 | Daughter | — | Massachusetts |
| 43 | John Kostopoulos | 21 | Son | Waiter | Massachusetts |
| 44 | Luther Duffy | 39 | Head | Maid | Georgia |
| 45 | Dorothy Duffy | 8 | Daughter | — | Georgia |
| 46 | Aleck Lee | 64 | Cousin | Odd Jobs | Georgia |
| 47 | John Denson | 45 | Head | Janitor | Georgia |
| 48 | Susie Denson | 40 | Wife | — | Georgia |
| 49 | Betty Ann Denson | 9 | Daughter | — | Georgia |
| 50 | Donald Denson | 7 | Son | — | Georgia |
| 51 | Marion Denson | 4 | Son | — | Georgia |
| 52 | Edwin Denson | 2 | Son | — | Georgia |
| 53 | James Hurley | 55 | Head | Janitor | Georgia |
| 54 | Hazel Hurley | 45 | Wife | — | Georgia |
| 55 | Ernest Devault | 29 | Head | Salesman | Georgia |
| 56 | Kathryn Devault | 27 | Wife | — | Georgia |
| 57 | Shirley Devault | 4 | Daughter | — | Georgia |
| 58 | Jimmy Devault | 1 | Son | — | Georgia |
| 59 | James M. Devault | 64 | Head | Brick Mason | North Carolina |
| 60 | Annie Maybelle Devault | 38 | Daughter | — | Georgia |
| 61 | Frances Mcdonald | 16 | Granddaughter | — | Georgia |
| 62 | William Lambert | 62 | Head | — | Georgia |
| 63 | Willie Lambert | 54 | Wife | — | Georgia |
| 64 | Robert Lambert THIS PERSON | 21 | Son | Salesman | Georgia |
| 65 | Virgil Lambert | 18 | Son | — | Georgia |
| 66 | Eugene Lambert | 17 | Son | — | Georgia |
| 67 | Margaret Lambert | 14 | Daughter | — | Georgia |
| 68 | B. G. Lambert | 11 | Daughter | — | Georgia |
| 69 | Cecil E. Lambert | 32 | Son | General Foreman | Georgia |
| 70 | Jack Rottenburg | 45 | Head | Proprietor | New York |
| 71 | Ethel Rottenburg | 30 | Wife | — | Georgia |
| 72 | Mildred Rottenburg | 18 | Daughter | — | Georgia |
| 73 | Eleanor Rottenburg | 15 | Daughter | — | Georgia |
| 74 | Marvin Rottenburg | 8 | Son | — | Georgia |
| 75 | Jerry Rottenburg | 1 | Son | — | Georgia |
| 76 | Saul Marks | 55 | Head | Proprietor | Russia |
| 77 | Ida Marks | 47 | Wife | Saleswoman | Hungary |
| 78 | Jack Marks | 24 | Son | Salesman | Georgia |
| 79 | Arthur Marks | 13 | Son | — | Georgia |
| 80 | Irving Levy | 38 | Head | Proprietor | New York |
Related Census Records
Pedigree Summary
Robert + 5 siblings
Gen 1 · 5 parents
~0.92
Max depth 4 (1900–1950 window)
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)