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Charles Lambert — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Mclean-County, Illinois
Our Model Tree links this Charles Lambert across the 1930 and 1940 US Censuses in Mclean-County, Illinois (XGBoost, ~Confirmed) — first a son (b.~1921), then head of a 8-person household.
Age 19
b. ~1921
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Mclean-County, Illinois |
| Surname | Lambert |
| Given Name | Charles |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Some house |
| 1935 Residence (County) | McLean |
| Additional Details | |
| Highest Grade | H-2 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Arrowsmith Village |
| Est. Birth Year | ~1921 |
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 Charles | Age | Birth yr |
|---|---|---|---|---|
| Chloe Lambert | Daughter | — | 9 | ~1931 |
| Chloe Lambert | Head | — | 38 | ~1902 |
| Charles Lambert | Son | — | 19 | ~1921 |
| James Lambert | Son | — | 5 | ~1935 |
| Jack Lambert | Son | — | 12 | ~1928 |
| Gene Lambert | Son | — | 13 | ~1927 |
| Robert Lambert | Son | — | 11 | ~1929 |
| Earl Lambert | Son | — | 22 | ~1918 |
Census Appearances
1930
Mclean, Illinois
Son, age 9
Mclean, Illinois · implied b. ~1921 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lambert |
| Given Name | Charles |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Indiana |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Mclean-County, Illinois
Son, age 19
Mclean-County, Illinois · implied b. ~1921 — 8 household members
| Surname | Lambert |
| Given Name | Charles |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Some house |
| 1935 Residence (County) | McLean |
| Highest Grade | H-2 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Charles Lambert across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Charles Lambert
Son · 1940 · age 19 · b. ~1921 · Illinois
★ You are viewing this record
Sibling
James Lambert
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Lambert
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Earl Lambert
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jack Lambert
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gene Lambert
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Chloe Lambert
Sibling · 1940 · age 9
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 — Mclean-County, Illinois
Open full size
1940 US Federal Census — Mclean-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00841-00058)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Lewis Gowler | 69 | Head | Laborer | Illinois |
| 2 | Barbara Gowler | 61 | Wife | — | Illinois |
| 3 | Ella Bone | 75 | Head | — | Illinois |
| 4 | Charles Canady | 65 | Head | Operator | Illinois |
| 5 | Ada Canady | 64 | Wife | — | Illinois |
| 6 | Mae Preston | 65 | Head | — | Illinois |
| 7 | Clifford Bone | 27 | Head | Laborer | Illinois |
| 8 | Shirley Bone | 21 | Wife | — | Illinois |
| 9 | Arthur Glover | 30 | Head | Ditch Digger | Illinois |
| 10 | Ethel Glover | 24 | Wife | — | Illinois |
| 11 | Eugene Glover | 5 | Son | — | Illinois |
| 12 | Alva Weidner | 85 | Head | — | Pennsylvania |
| 13 | Louella Weidner | 87 | Wife | — | Missouri |
| 14 | Milton Wise | 71 | Head | Repair Shop | Illinois |
| 15 | Charles Daniel | 27 | Son | Laborer | Illinois |
| 16 | Paula Daniel | 23 | Daughter | — | Illinois |
| 17 | Charles Grant Daniel | 5 | Grandson | — | Illinois |
| 18 | Lorraine Daniel | 3 | Granddaughter | — | Illinois |
| 19 | Joan Daniel | 1 | Daughter | — | Illinois |
| 20 | Charles Jordan | 31 | Head | Mechanic | Illinois |
| 21 | Mabel Jordan | 26 | Wife | — | Illinois |
| 22 | Albert Adams | 70 | Head | — | Ohio |
| 23 | Maggie Adams | 67 | Wife | — | Illinois |
| 24 | Meron Adams | 33 | Son | Ditch Digger | Illinois |
| 25 | Roy Freeborn | 45 | Head | Laborer | Missouri |
| 26 | Opal Freeborn | 35 | Wife | — | Iowa |
| 27 | Mildred Freeborn | 17 | Daughter | — | Iowa |
| 28 | Clarence Freeborn | 15 | Son | — | Iowa |
| 29 | Earl Freeborn | 9 | Son | — | Missouri |
| 30 | Chloe Lambert | 38 | Head | — | Indiana |
| 31 | Earl Lambert | 22 | Son | Laborer | Illinois |
| 32 | Charles Lambert THIS PERSON | 19 | Son | — | Illinois |
| 33 | Gene Lambert | 13 | Son | — | Illinois |
| 34 | Jack Lambert | 12 | Son | — | Illinois |
| 35 | Robert Lambert | 11 | Son | — | Illinois |
| 36 | Chloe Lambert | 9 | Daughter | — | Illinois |
| 37 | James Lambert | 5 | Son | — | Illinois |
| 38 | Reese Thompson | 41 | Head | Laborer | Kentucky |
| 39 | Lillie Thompson | 42 | Wife | — | Kentucky |
| 40 | Wayne Thompson | 17 | Son | — | Kentucky |
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)