RL
Robert Lambert — 1940 US Census Record
Model Tree available1940 United States Federal Census · Worcester-County, Massachusetts
Our Model Tree links this Robert Lambert across the 1920, 1930 and 1940 US Censuses in Worcester-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Albert & Julia — first a head (b.~1908), then head of a 4-person household.
Age 32
b. ~1908
Male
Head
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Worcester-County, Massachusetts |
| Surname | Lambert |
| Given Name | Robert |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Worcester city |
| 1935 Residence (County) | Worcester |
| Additional Details | |
| Occupation | manager |
| Industry | grocery store |
| Class of Worker | PW |
| Hours Worked | 56 |
| Income (1939) | 156 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Manager |
| Township / Ward | Worcester City |
| Est. Birth Year | ~1908 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Janice Lambert | Daughter | — | 6 | ~1934 |
| Robert Lambert | Son | — | 10 | ~1930 |
| Teresa Lambert | Spouse | — | 31 | ~1909 |
| Robert Lambert | Head | — | 32 | ~1908 |
Census Appearances
1920
Worcester, Massachusetts
Son, age 11
Worcester, Massachusetts · implied b. ~1909 — 7 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 | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | New York |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Worcester, Massachusetts
Head, age 22
Worcester, Massachusetts · implied b. ~1908 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lambert |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Age at First Marriage | 20 |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | New York |
| Occupation | Salesman |
| Industry | Groceries |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 15 |
| Radio Set | R |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Worcester-County, Massachusetts
Head, age 32
Worcester-County, Massachusetts · implied b. ~1908 — 4 household members
| Surname | Lambert |
| Given Name | Robert |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Worcester city |
| 1935 Residence (County) | Worcester |
| Occupation | manager |
| Industry | grocery store |
| Class of Worker | PW |
| Hours Worked | 56 |
| Income (1939) | 156 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
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 Albert Lambert (~0.92 confidence) and mother Julia Lambert (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Albert Lambert
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Julia Lambert
b. ~1882
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Lambert
Head · 1940 · age 32 · b. ~1908 · Massachusetts
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Worcester-County, Massachusetts
Open full size
1940 US Federal Census — Worcester-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01718-00240)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John | 15 | son | — | Massachusetts |
| 2 | Robert | 14 | son | — | Massachusetts |
| 3 | Paul | 8 | son | — | Massachusetts |
| 4 | Hilbert Granat | 44 | head | Barber Shop | Sweden |
| 5 | Anna Granat | 40 | wife | — | Massachusetts |
| 6 | Marion Granat | 17 | daughter | — | Massachusetts |
| 7 | James May | 54 | head | Painter | Massachusetts |
| 8 | Mary May | 51 | wife | — | Massachusetts |
| 9 | Russell Peck | 50 | head | Machinist | Massachusetts |
| 10 | Vivian Peck | 45 | wife | Stitcher | Rhode Island |
| 11 | Cora Briggs | 60 | sister-in-law | — | Rhode Island |
| 12 | Benjamin Pruvinskas | 54 | head | Wiredrawer | Lithuania |
| 13 | Mary Pruvinskas | 47 | wife | — | Lithuania |
| 14 | Albina Pruvinskas | 24 | daughter | Book Keeper | Massachusetts |
| 15 | Eugene Guillette | 47 | head | Agent | Canada-French |
| 16 | Pauline Guillette | 44 | wife | — | Massachusetts |
| 17 | Edith Guillette | 23 | daughter | Inspector | Massachusetts |
| 18 | Eleanor Guillette | 22 | daughter | Nurses Aid | Massachusetts |
| 19 | Marion Guillette | 13 | daughter | — | Massachusetts |
| 20 | Royal Guillette | 1 | lodger | — | Massachusetts |
| 21 | Robert Lambert THIS PERSON | 32 | head | Manager | Massachusetts |
| 22 | Teresa Lambert | 31 | wife | — | Massachusetts |
| 23 | Robert Lambert | 10 | son | — | Massachusetts |
| 24 | Janice Lambert | 6 | daughter | — | Massachusetts |
| 25 | Walter Adamonis | 24 | head | Salesman | Massachusetts |
| 26 | Rose Adamonis | 25 | wife | — | Massachusetts |
| 27 | Mary Adamonis | 1 | daughter | — | Massachusetts |
| 28 | Peter Alaney | 68 | head | — | Canada-French |
| 29 | Matilda Alaney | 26 | daughter | Inspector | Canada-French |
| 30 | Grace Alaney | 24 | daughter | Packer | Canada-French |
| 31 | Agnes Trudell | 40 | head | Machine Operator | Massachusetts |
| 32 | Florence Trudell | 37 | wife | Assembler | Massachusetts |
| 33 | Bertha Keeney | 53 | head | Hostess | Connecticut |
| 34 | Wilbur Keeney | 46 | brother | Laborer | Connecticut |
| 35 | Grace Keeney | 44 | sister | — | Massachusetts |
| 36 | Charles Keeney | 40 | brother | Roofer | Massachusetts |
| 37 | Helen Keeney | 33 | sister | Teacher | Massachusetts |
| 38 | Burrell Cunningham | 30 | head | Salesman | Massachusetts |
| 39 | Anna Cunningham | 62 | mother | — | New York |
| 40 | Robert Spinner | 24 | brother-in-law | Janitor | Iowa |
Pedigree Summary
Robert
Gen 1 · 2 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)