JL
John Lambert — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Fayette-County, Pennsylvania
Our Model Tree links this John Lambert across the 1920, 1930 and 1940 US Censuses in Fayette-County, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1871), then head of a 4-person household.
Age 69
b. ~1871
Male
Head
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Fayette-County, Pennsylvania |
| Surname | Lambert |
| Given Name | John D. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 69 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Connellsville City |
| 1935 Residence (County) | Fayette |
| Additional Details | |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Connellsville City |
| Est. Birth Year | ~1871 |
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 |
|---|---|---|---|---|
| Virginia Lambert | Daughter | — | 21 | ~1919 |
| Julia Lambert | Daughter | — | 25 | ~1915 |
| John Lambert | Head | — | 69 | ~1871 |
| Indie Lambert | Spouse | — | 60 | ~1880 |
Census Appearances
1920
Fayette, Pennsylvania
Head, age 49
Fayette, Pennsylvania · implied b. ~1871 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lambert |
| Given Name | J. Oscar |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Germany |
| Occupation | Teller |
| Industry | Bank |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | German |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Fayette, Pennsylvania
Head, age 59
Fayette, Pennsylvania · implied b. ~1871 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lambert |
| Given Name | J Treas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 59 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 35 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Clerk |
| Industry | Bank |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 5,000 |
| Veteran | No |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Fayette-County, Pennsylvania
Head, age 69
Fayette-County, Pennsylvania · implied b. ~1871 — 4 household members
| Surname | Lambert |
| Given Name | John D. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 69 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Connellsville City |
| 1935 Residence (County) | Fayette |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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.
Show:
This person
Anchor record
John Lambert
Head · 1940 · age 69 · b. ~1871 · Pennsylvania
★ 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 — Fayette-County, Pennsylvania
Open full size
1940 US Federal Census — Fayette-County, Pennsylvania
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-03503-00269)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William H. Bane | 21 | Son | — | Pennsylvania |
| 2 | Edith Bane | 18 | Daughter | — | Pennsylvania |
| 3 | James G. Cunningham | 59 | Head | Passenger Train Conductor | Pennsylvania |
| 4 | Grace Cunningham | 56 | Wife | — | Pennsylvania |
| 5 | F. Ruth Cunningham | 26 | Daughter | Packer | Pennsylvania |
| 6 | Anna T. Kerigan | 73 | Head | — | Eire |
| 7 | Matthew E. Kerigan | 55 | Brother | Freight Engineer | Pennsylvania |
| 8 | Anna G. Kerigan | 31 | Niece | Salesgirl | Pennsylvania |
| 9 | Sarah J. Kerigan | 26 | Niece | — | Pennsylvania |
| 10 | William B. Storey | 66 | Head | Painting Contractor | Pennsylvania |
| 11 | Grace E. Storey | 64 | Wife | — | Pennsylvania |
| 12 | James B. Bisel | 51 | Head | Freight Train Brakeman | Pennsylvania |
| 13 | Grace R. Bisel | 51 | Wife | — | Pennsylvania |
| 14 | James R. Bisel | 12 | Son | — | Pennsylvania |
| 15 | John D. Lambert THIS PERSON | 69 | Head | — | Pennsylvania |
| 16 | Indie F. Lambert | 60 | Wife | — | Maryland |
| 17 | Julia F. Lambert | 25 | Daughter | Sales Girl | Pennsylvania |
| 18 | Virginia Lambert | 21 | Daughter | Office Clerk | Pennsylvania |
| 19 | Henry Fette | 57 | Head | Repairman | Pennsylvania |
| 20 | Anna C. Fette | 38 | Wife | — | Pennsylvania |
| 21 | Theresa Jacobs | 82 | Mother-in-law | — | Austria |
| 22 | James S. Jacques | 44 | Head | Boiler Maker Helper | Maryland |
| 23 | Margaret M. Jacques | 46 | Wife | — | Maryland |
| 24 | Okey W. Corlett | 41 | Head | Locomotive Fireman | West Virginia |
| 25 | Nona O. Corlett | 40 | Wife | — | West Virginia |
| 26 | R. Wayne Corlett | 18 | Son | Salesman | Pennsylvania |
| 27 | Betty Rae Corlett | 5 | Daughter | — | Pennsylvania |
| 28 | William A. Bittner | 55 | Head | Freight Engineer | Pennsylvania |
| 29 | Alice A. Bittner | 53 | Wife | — | Pennsylvania |
| 30 | William A. Jr. Bittner | 22 | Son | Helper On A Truck | Pennsylvania |
| 31 | John R. Bittner | 18 | Son | — | Pennsylvania |
| 32 | Isabella Bittner | 84 | Mother | — | Pennsylvania |
| 33 | Frank C. Mack | 50 | Head | Freight Train Fireman | Pennsylvania |
| 34 | Virginia K. Mack | 47 | Wife | — | Pennsylvania |
| 35 | Atkins Barry Mack | 6 | Grandson | — | Pennsylvania |
| 36 | Ellen A. Smith | 70 | Mother-in-law | — | Pennsylvania |
| 37 | Nora Meisner | 43 | Lodger | Sales Girl | Pennsylvania |
| 38 | John G. Denez | 40 | Head | Insurance Salesman | Pennsylvania |
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)