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Robert Lambert — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Iron-County, Wisconsin
Our Model Tree links this Robert Lambert across the 1930 and 1940 US Censuses in Iron-County, Wisconsin (XGBoost, ~Confirmed) — first a son (b.~1929), then head of a 10-person household.
Age 11
b. ~1929
Male
Son
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Iron-County, Wisconsin |
| Surname | Lambert |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Oma Town |
| 1935 Residence (County) | Iron |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | 4 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Township / Ward | Oma Town |
| Est. Birth Year | ~1929 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Raymond Lambert | Son | — | 13 | ~1927 |
| Emanuel Lambert | Son | — | ~1940 | |
| Charles Lambert | Son | — | 19 | ~1921 |
| Emanuel Lambert | Head | — | 42 | ~1898 |
| Robert Lambert | Son | — | 11 | ~1929 |
| Marion Lambert | Daughter | — | 17 | ~1923 |
| Neil Lambert | Son | — | 15 | ~1925 |
| Arlie Lambert | Spouse | — | 40 | ~1900 |
| Lorraine Lambert | Daughter | — | 9 | ~1931 |
| Fay Lambert | Daughter | — | 5 | ~1935 |
Census Appearances
1930
Iron, Wisconsin
Son, age 1
Iron, Wisconsin · implied b. ~1929 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lambert |
| Given Name | Robert J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Can Read/Write | No |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Iron-County, Wisconsin
Son, age 11
Iron-County, Wisconsin · implied b. ~1929 — 10 household members
| Surname | Lambert |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Oma Town |
| 1935 Residence (County) | Iron |
| Class of Worker | 0 |
| Highest Grade | 4 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
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 Robert Lambert across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Lambert
Son · 1940 · age 11 · b. ~1929 · Wisconsin
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Sibling
Fay Lambert
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Emanuel Lambert
Sibling · 1940 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Neil Lambert
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lorraine Lambert
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marion Lambert
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Lambert
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Raymond Lambert
Sibling · 1940 · age 13
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 — Iron-County, Wisconsin
Open full size
1940 US Federal Census — Iron-County, Wisconsin
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04484-00262)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Emanuel Lambert | 42 | Head | Teamster | Michigan |
| 2 | Arlie Lambert | 40 | Wife | — | Michigan |
| 3 | Charles Lambert | 19 | Son | Swamper | Michigan |
| 4 | Marion Lambert | 17 | Daughter | — | Michigan |
| 5 | Neil Lambert | 15 | Son | — | Michigan |
| 6 | Raymond Lambert | 13 | Son | — | Michigan |
| 7 | Robert Lambert THIS PERSON | 11 | Son | — | Michigan |
| 8 | Lorraine Lambert | 9 | Daughter | — | Wisconsin |
| 9 | Fay Lambert | 5 | Daughter | — | Wisconsin |
| 10 | Emanuel Jr. Lambert | 0 | Son | — | Wisconsin |
| 11 | Mary Kostelnik | 63 | Head | Farmer | Czechoslovakia |
| 12 | George Kostelnik | 33 | Son | Teamster | Wisconsin |
| 13 | Frank Kostelnik | 20 | Son | Farm Laborer | Wisconsin |
| 14 | Steve Kostelnik | 19 | Son | Cook | Wisconsin |
| 15 | Frances Kostelnik | 16 | Daughter | — | Wisconsin |
| 16 | Theodore Thompson | 44 | Head | Foreman | Michigan |
| 17 | Jennie Thompson | 39 | Wife | — | Michigan |
| 18 | Ethel Thompson | 17 | Daughter | — | Michigan |
| 19 | Thomas Thompson | 14 | Son | — | Michigan |
| 20 | David Thompson | 4 | Son | — | Michigan |
| 21 | Victor Hannula | 66 | Head | — | Finland |
| 22 | Anna Hannula | 60 | Wife | — | Finland |
| 23 | Emily Hannula | 36 | Daughter | — | Michigan |
| 24 | Paul Hannula | 19 | Son | Truck Driver | Wisconsin |
| 25 | Adele Hannula | 17 | Daughter | — | Wisconsin |
| 26 | Ruth Hannula | 14 | Daughter | — | Wisconsin |
| 27 | Theodore Anderson | 12 | Grand-son | — | Illinois |
| 28 | Robert Anderson | 10 | Grand-son | — | Illinois |
| 29 | John Hannula | 28 | Head | Truck Driver | Wisconsin |
| 30 | Helen Hannula | 18 | Wife | — | Michigan |
| 31 | Leonard Korgela | 31 | Head | Time Keeper | Wisconsin |
| 32 | Ingrid Korgela | 28 | Wife | — | Michigan |
| 33 | Gerald Korgela | 4 | Son | — | Michigan |
| 34 | Lawrence Korgela | 2 | Son | — | Michigan |
| 35 | Wilhelmina Wargula | 68 | Head | — | Finland |
| 36 | Hans Wargula | 36 | Son | Log-Loader | Wisconsin |
| 37 | Matt Wargula | 34 | Son | Blaster | Wisconsin |
| 38 | Mayme Wargula | 28 | Daughter | Maid | Wisconsin |
| 39 | Gertrude Wargula | 23 | Daughter | — | Wisconsin |
| 40 | Walter Wargula | 19 | Son | Janitor | Wisconsin |
Related Census Records
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)