JL
James Lambert — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Denton-County, Texas
Our Model Tree links this James Lambert across the 1930 and 1940 US Censuses in Denton-County, Texas (XGBoost, ~Confirmed) — first a son (b.~1927), then head of a 12-person household.
Age 13
b. ~1927
Male
Son
Born: Texas
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Denton-County, Texas |
| Surname | Lambert |
| Given Name | James Alvin |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Texas |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Denton |
| Additional Details | |
| Highest Grade | No 6 |
| 1935 Residence | Texas |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
| Township / Ward | Precinct 6 |
| Est. Birth Year | ~1927 |
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.
12 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Edith Lambert | Daughter | — | 7 | ~1933 |
| Earl Lambert | Son | — | 1 | ~1939 |
| Callie Lambert | Spouse | — | 38 | ~1902 |
| Allie Lambert | Daughter | — | 17 | ~1923 |
| Clara Lambert | Daughter | — | 9 | ~1931 |
| Cecil Lambert | Head | — | 43 | ~1897 |
| Carl Lambert | Son | — | 15 | ~1925 |
| Geneva Lambert | Daughter | — | 6 | ~1934 |
| James Lambert | Son | — | 13 | ~1927 |
| Kenneth Lambert | Son | — | 3 | ~1937 |
| Gruda Lambert | Daughter | — | 11 | ~1929 |
| Homer Lambert | Son | — | 18 | ~1922 |
Census Appearances
1930
Denton, Texas
Son, age 3
Denton, Texas · implied b. ~1927 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lambert |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Texas |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Texas |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
1940
Denton-County, Texas
Son, age 13
Denton-County, Texas · implied b. ~1927 — 12 household members
| Surname | Lambert |
| Given Name | James Alvin |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Texas |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Denton |
| Highest Grade | No 6 |
| 1935 Residence | Texas |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
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 James Lambert across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Lambert
Son · 1940 · age 13 · b. ~1927 · Texas
★ You are viewing this record
Sibling
Kenneth Lambert
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Allie Lambert
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Earl Lambert
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edith Lambert
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gruda Lambert
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clara Lambert
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Geneva Lambert
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Carl Lambert
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Homer Lambert
Sibling · 1940 · age 18
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 — Denton-County, Texas
Open full size
1940 US Federal Census — Denton-County, Texas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04020-00772)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Minnie Gentry | 45 | Wife | — | Tennessee |
| 2 | Emma Joe Gentry | 26 | Daughter | — | Texas |
| 3 | Henry Louis Gentry | 18 | Son | — | Texas |
| 4 | Elbert Stover | 65 | Head | Farmer | Texas |
| 5 | Ella Stover | 61 | Wife | — | Texas |
| 6 | Dorothy Stover | 24 | Daughter | — | Texas |
| 7 | Raymond Stork | 30 | Son in law | Farmer | Texas |
| 8 | Sallie Ann Stork | 6 | Granddaughter | — | Texas |
| 9 | Cecil Lambert | 43 | Head | Helper Cook | Virginia |
| 10 | Callie Lambert | 38 | Wife | — | Texas |
| 11 | Homer Lambert | 18 | Son | New Worker | Texas |
| 12 | Allie Fair Lambert | 17 | Daughter | — | Texas |
| 13 | Carl Jr Lambert | 15 | Son | — | Texas |
| 14 | James Alvin Lambert THIS PERSON | 13 | Son | — | Texas |
| 15 | Gruda Merle Lambert | 11 | Daughter | — | Texas |
| 16 | Clara Belle Lambert | 9 | Daughter | — | Texas |
| 17 | Edith Lambert | 7 | Daughter | — | Texas |
| 18 | Geneva Lambert | 6 | Daughter | — | Texas |
| 19 | Kenneth Dale Lambert | 3 | Son | — | Texas |
| 20 | Earl Wayne Lambert | 1 | Son | — | Texas |
| 21 | Hugh Worthington | 49 | Head | Operator | Texas |
| 22 | Jessie Worthington | 45 | Wife | — | Texas |
| 23 | Walter Worthington | 22 | Son | Assistant Shipping Clerk | Texas |
| 24 | Rola Worthington | 20 | Daughter in law | — | Texas |
| 25 | Walter Show | 67 | Head | Laborer | Texas |
| 26 | Roy Omer Breckenridge | 55 | Head | Overseer | Missouri |
| 27 | Sada Irene Breckenridge | 49 | Wife | — | Michigan |
| 28 | Erastus Breckenridge | 29 | Son | Tenant | Oklahoma |
| 29 | Claud Edward Breckenridge | 10 | Son | — | Texas |
| 30 | Tomas H Purnell | 42 | Head | Operator | Texas |
| 31 | Ettie Purnell | 40 | Wife | — | Texas |
| 32 | Roy A Strickland | 37 | Head | Tenant | Texas |
| 33 | Ethel Strickland | 32 | Wife | — | Texas |
| 34 | J. R. Strickland | 17 | Son | Helper | Texas |
| 35 | L. G. Strickland | 15 | Son | — | Texas |
| 36 | Willis Strickland | 13 | Son | — | Texas |
| 37 | Billie Dale Strickland | 9 | Son | — | Texas |
| 38 | Kelley Dennis | 35 | Head | Tenant | Texas |
| 39 | Manda Dennis | 70 | Mother | — | Oklahoma |
| 40 | Alic Dennis | 40 | Brother | Tenant | Texas |
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)