JL
Joseph Lambert — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Dickinson-County, Iowa
Our Model Tree links this Joseph Lambert across the 1930 and 1940 US Censuses in Dickinson-County, Iowa (XGBoost, ~Confirmed) — first a son (b.~1925), then head of a 8-person household.
Age 15
b. ~1925
Male
Son
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Dickinson-County, Iowa |
| Surname | Lambert |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Spirit Lake Twp |
| 1935 Residence (County) | Dickinson |
| Additional Details | |
| Occupation | Farm laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 866 |
| Highest Grade | 8 |
| 1935 Residence | Same house |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Farm Laborer |
| Township / Ward | Spirit Lake Twp |
| Est. Birth Year | ~1925 |
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 Joseph | Age | Birth yr |
|---|---|---|---|---|
| Joseph Lambert | Son | — | 15 | ~1925 |
| James Lambert | Son | — | 16 | ~1924 |
| Dorothy Lambert | Daughter | — | 18 | ~1922 |
| Wilox Lambert | Son | — | 20 | ~1920 |
| Lawrence Lambert | Son | — | 23 | ~1917 |
| Eloise Lambert | Daughter | — | 26 | ~1914 |
| J Lambert | Head | — | 54 | ~1886 |
| Josephine Lambert | Spouse | — | 48 | ~1892 |
Census Appearances
1930
Dickinson, Iowa
Son, age 5
Dickinson, Iowa · implied b. ~1925 — 41 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lambert |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Dickinson-County, Iowa
Son, age 15
Dickinson-County, Iowa · implied b. ~1925 — 8 household members
| Surname | Lambert |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Spirit Lake Twp |
| 1935 Residence (County) | Dickinson |
| Occupation | Farm laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 866 |
| Highest Grade | 8 |
| 1935 Residence | Same house |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 Joseph Lambert across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Joseph Lambert
Son · 1940 · age 15 · b. ~1925 · Iowa
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Sibling
James Lambert
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Wilox Lambert
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eloise Lambert
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lawrence Lambert
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy 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 — Dickinson-County, Iowa
Open full size
1940 US Federal Census — Dickinson-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01157-00357)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Franklin Stillwell | 17 | Son | — | Minnesota |
| 2 | Harriet Stillwell | 15 | Daughter | — | Minnesota |
| 3 | Curtis Stillwell | 11 | Son | — | Minnesota |
| 4 | James Stillwell | 9 | Son | — | Minnesota |
| 5 | John Stillwell | 4 | Son | — | Iowa |
| 6 | Tate Jr. Stillwell | 2 | Son | — | Iowa |
| 7 | Anton Benzkofer | 73 | Head | Farmer | Iowa |
| 8 | Agnes Benzkofer | 64 | Wife | — | Iowa |
| 9 | Elmer Benzkofer | 34 | Son | Laborer | Iowa |
| 10 | Clara Benzkofer | 27 | Daughter | — | Iowa |
| 11 | Louis Benzkofer | 24 | Son | Laborer | Iowa |
| 12 | Vernon Engel | 31 | Head | Farmer | Illinois |
| 13 | Sybilla Engel | 32 | Wife | — | Iowa |
| 14 | Ernest Engel | 3 | Son | — | Iowa |
| 15 | Ronald Engel | 1 | Son | — | Iowa |
| 16 | Harry J. Breezan | 45 | Head | Farmer | Iowa |
| 17 | Edith Breezan | 38 | Wife | — | Illinois |
| 18 | Glen Breezan | 19 | Son | Farmer | Iowa |
| 19 | Gloria Breezan | 10 | Daughter | — | Iowa |
| 20 | Duane Breezan | 8 | Son | — | Iowa |
| 21 | Gustaf A. Breezan | 71 | Father | — | Iowa |
| 22 | Elizabeth Vance | 82 | Head | — | Iowa |
| 23 | Ruby Vance | 54 | Daughter | — | Iowa |
| 24 | James Waldo Vance | 57 | Son | Farmer | Iowa |
| 25 | Maude Cramer | 54 | Head | Farmer | Iowa |
| 26 | Ruth Cramer | 34 | Wife | — | Iowa |
| 27 | Shirley Cramer | 16 | Daughter | — | Iowa |
| 28 | Laurel Cramer | 14 | Daughter | — | Iowa |
| 29 | Mary Cramer | 78 | Mother | — | Iowa |
| 30 | J. S. Ray Lambert | 54 | Head | Farmer | Iowa |
| 31 | Josephine Lambert | 48 | Wife | — | Iowa |
| 32 | Eloise Lambert | 26 | Daughter | — | Iowa |
| 33 | Lawrence Lambert | 23 | Son | Farm Laborer | Iowa |
| 34 | Wilox Lambert | 20 | Son | Farm Laborer | Iowa |
| 35 | Dorothy Lambert | 18 | Daughter | Housework | Iowa |
| 36 | James Lambert | 16 | Son | Farm Laborer | Iowa |
| 37 | Joseph Lambert THIS PERSON | 15 | Son | Farm Laborer | Iowa |
| 38 | Luella D. Crosby | 72 | Head | — | Iowa |
| 39 | Dean Crosby | 37 | Son | Farmer | Wisconsin |
| 40 | Harold Crosby | 35 | Son | Farm Laborer | Colorado |
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)