JL
John Lambert — 1940 US Census Record
Model Tree available1940 United States Federal Census · Hampden-County, Massachusetts
Our Model Tree links this John Lambert across the 1920, 1930 and 1940 US Censuses in Hampden-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Charles & Millie — first a head (b.~1911), then head of a 4-person household.
Age 29
b. ~1911
Male
Head
Born: Georgia
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Hampden-County, Massachusetts |
| Surname | Lambert |
| Given Name | John J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Georgia |
| 1935 Residence (City) | Conn |
| Additional Details | |
| Occupation | Truck Driver |
| Industry | Antique Dealer |
| Class of Worker | PW |
| Hours Worked | 50 |
| Income (1939) | 936 |
| Highest Grade | No 8 |
| 1935 Residence | Conn |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
| Occupation | Truck Driver |
| Township / Ward | Springfield |
| Est. Birth Year | ~1911 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| John Lambert | Head | — | 29 | ~1911 |
| Muriel Lambert | Other | — | 1 | ~1939 |
| John Lambert | Son | — | 2 | ~1938 |
| Sarah Lambert | Spouse | — | 23 | ~1917 |
Census Appearances
1920
Hampden, Massachusetts
Son, age 9
Hampden, Massachusetts · implied b. ~1911 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lambert |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Georgia |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Georgia |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
1930
Hampden, Massachusetts
Son, age 19
Hampden, Massachusetts · implied b. ~1911 — 50 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lambert |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Georgia |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Georgia |
| Occupation | Labor |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
1940
Hampden-County, Massachusetts
Head, age 29
Hampden-County, Massachusetts · implied b. ~1911 — 4 household members
| Surname | Lambert |
| Given Name | John J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Georgia |
| 1935 Residence (City) | Conn |
| Occupation | Truck Driver |
| Industry | Antique Dealer |
| Class of Worker | PW |
| Hours Worked | 50 |
| Income (1939) | 936 |
| Highest Grade | No 8 |
| 1935 Residence | Conn |
| 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 John Lambert across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Charles Lambert (~0.92 confidence) and mother Millie Lambert (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles Lambert
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Millie Lambert
b. ~1885
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Lambert
Head · 1940 · age 29 · b. ~1911 · 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 — Hampden-County, Massachusetts
Open full size
1940 US Federal Census — Hampden-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01709-00168)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Russell Perry | 30 | Head | New Worker | Mass |
| 42 | Anthony J. Perry | 18 | Son | Drill Pressman | Mass |
| 43 | Anna Perry | 17 | Daug | — | Mass |
| 44 | Gloria Perry | 14 | Daug | — | Mass |
| 45 | Ruth Perry | 9 | Daug | — | Mass |
| 46 | Rosalie Perry | 1 | Daug | — | Mass |
| 47 | Charles O. Sampson | 60 | Head | Truck Driver | Mass |
| 48 | Lucinda B. Sampson | 56 | Wife | Housework | New York |
| 49 | Joseph Carter | 23 | Grandson | Chauffeur | Georgia |
| 50 | Virginia Carter | 20 | Grand Daug | — | New York |
| 51 | Victor J. Northup | 23 | Grandson | Caretaker | Connecticut |
| 52 | Charles Northup | 17 | Grandson | — | Connecticut |
| 53 | Thomas Stewart | 30 | Head | Molder | No. Carolina |
| 54 | Nancy L. Stewart | 25 | Wife | Table Work | So. Carolina |
| 55 | Dorothy B. Stewart | 11 | Daug | — | Mass |
| 56 | Frances B. Stewart | 9 | Daug | — | Mass |
| 57 | Thomas Jr. Stewart | 2 | Son | — | Mass |
| 58 | Eric C. Pakerburg | 66 | Head | Mach. Repairer | Sweden |
| 59 | Sophie C. Pakerburg | 68 | Wife | — | Sweden |
| 60 | Carl F. Pakerburg | 32 | Son | New Worker | Mass |
| 61 | John J. Lambert THIS PERSON | 29 | Head | Truck Driver | Georgia |
| 62 | Sarah E. Lambert | 23 | Wife | — | Mass |
| 63 | John Jr. Lambert | 2 | Son | — | Mass |
| 64 | Muriel H. Lambert | 1 | Daug | — | Mass |
| 65 | Leroy J. Hazard | 50 | Head | Janitor (Asst) | Mass |
| 66 | Emma B. Hazard | 49 | Wife | — | Maryland |
| 67 | Levi M. Branch | 49 | Head | Truck Helper | No. Carolina |
| 68 | Mattie B. Branch | 45 | Wife | — | No. Carolina |
| 69 | Russell L. Branch | 21 | Son | Truck Helper | Mass |
| 70 | Titus B. Barklow | 30 | Son-in-law | Laborer | Mass |
| 71 | Lucinda V. Barklow | 23 | Daug | — | No. Carolina |
| 72 | Titus Jr. Barklow | 4 | Grandson | — | Mass |
| 73 | Thomas W. Barklow | 3 | Grandson | — | Mass |
| 74 | Richard H. Barklow | 1 | Grandson | — | Mass |
| 75 | Desso B. Bryant | 40 | Head | Janitor | So. Carolina |
| 76 | Daisy Bryant | 37 | Wife | — | So. Carolina |
| 77 | Barbara J. Bryant | 9 | Daug | — | Mass |
| 78 | Joyce E. Bryant | 7 | Daug | — | Mass |
| 79 | Aldry J. Bryant | 5 | Daug | — | Mass |
| 80 | Audria A. Bryant | 2 | Daug | — | Mass |
Pedigree Summary
John
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)