JL
John Lang — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Marathon-County, Wisconsin
Our Model Tree links this John Lang across the 1930 and 1940 US Censuses in Marathon-County, Wisconsin (XGBoost, ~Confirmed) — first a head (b.~1886), then head of a 8-person household.
Age 54
b. ~1886
Male
Head
Born: Wisconsin
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Marathon-County, Wisconsin |
| Surname | Lang |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Wausau City |
| 1935 Residence (County) | Marathon |
| Additional Details | |
| Occupation | Contractor |
| Industry | Building |
| Class of Worker | OA |
| Hours Worked | 54 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
| Occupation | Contractor |
| Township / Ward | Wausau City |
| Est. Birth Year | ~1886 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| June Lang | Daughter | — | 7 | ~1933 |
| Marian Lang | Daughter | — | 21 | ~1919 |
| Violet Lang | Daughter | — | 18 | ~1922 |
| Alice Lang | Daughter | — | 16 | ~1924 |
| John Lang | Head | — | 54 | ~1886 |
| Melvin Lang | Son | — | 14 | ~1926 |
| Lester Lang | Son | — | 12 | ~1928 |
| Anna Lang | Spouse | — | 53 | ~1887 |
Census Appearances
1930
Marathon, Wisconsin
Other, age 44
Marathon, Wisconsin · implied b. ~1886 — 50 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lang |
| Given Name | John |
| Relationship to Head | O |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| Age at First Marriage | 23 |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Wisconsin |
| Occupation | Contractor |
| Industry | Building |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | 2500 |
| Home Value / Rent | R |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1940
Marathon-County, Wisconsin
Head, age 54
Marathon-County, Wisconsin · implied b. ~1886 — 8 household members
| Surname | Lang |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Wausau City |
| 1935 Residence (County) | Marathon |
| Occupation | Contractor |
| Industry | Building |
| Class of Worker | OA |
| Hours Worked | 54 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
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 Lang across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Lang
Head · 1940 · age 54 · b. ~1886 · Wisconsin
★ 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 — Marathon-County, Wisconsin
Open full size
1940 US Federal Census — Marathon-County, Wisconsin
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04497-00225)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Laura Hattlestad | 45 | Wife | — | Wisconsin |
| 2 | Robert Hattlestad | 12 | Son | — | Wisconsin |
| 3 | John Friedl | 26 | Head | Salesman | Wisconsin |
| 4 | Evangeline Friedl | 24 | Wife | Saleslady | Wisconsin |
| 5 | Louis Vandenbusch | 34 | Head | Architect | Wisconsin |
| 6 | Dorothy Vandenbusch | 33 | Wife | — | Wisconsin |
| 7 | Nancy Vandenbusch | 2 | Daughter | — | Wisconsin |
| 8 | Edgar Viehle | 56 | Head | Sales Engineer | Oklahoma |
| 9 | Edith Viehle | 53 | Wife | — | Wisconsin |
| 10 | Robert Viehle | 21 | Son | Truck Driver | Wisconsin |
| 11 | Margaret J. Viehle | 14 | Daughter | — | Wisconsin |
| 12 | Mary L. Viehle | 10 | Daughter | — | Wisconsin |
| 13 | Mary E. Viehle | 8 | Daughter | — | Wisconsin |
| 14 | George J. Schreier | 59 | Head | Sales | Wisconsin |
| 15 | Elizabeth Schreier | 59 | Wife | — | Wisconsin |
| 16 | Gertrude Schreier | 28 | Daughter | — | Wisconsin |
| 17 | Mary Schreier | 21 | Daughter | Secretary | Wisconsin |
| 18 | John Lang THIS PERSON | 54 | Head | Contractor | Wisconsin |
| 19 | Anna Lang | 53 | Wife | — | Wisconsin |
| 20 | Marian Lang | 21 | Daughter | Bookkeeper | Wisconsin |
| 21 | Violet Lang | 18 | Daughter | — | Wisconsin |
| 22 | Alice Lang | 16 | Daughter | — | Wisconsin |
| 23 | Melvin Lang | 14 | Son | — | Wisconsin |
| 24 | Lester Lang | 12 | Son | — | Wisconsin |
| 25 | June Lang | 7 | Daughter | — | Wisconsin |
| 26 | Douglas F. Pradel | 48 | Head | Foreman Metal | Wisconsin |
| 27 | Irene Pradel | 39 | Wife | — | Michigan |
| 28 | Kathryn Pradel | 2 | Daughter | — | Wisconsin |
| 29 | Laura Thies | 31 | Head | Lunch Work | Wisconsin |
| 30 | Arthur Jr. Marcotte | 31 | Head | Stock Clerk | Wisconsin |
| 31 | Marjorie Marcotte | 27 | Wife | — | Wisconsin |
| 32 | Jacqueline Marcotte | 5 | Daughter | — | Wisconsin |
| 33 | Emil Mayer | 77 | Lodger | — | Switzerland |
| 34 | Mary Weinberger | 76 | Head | — | Wisconsin |
| 35 | William Franklin | 48 | Son-in-law | Salesman | England |
| 36 | James F. Franklin | 9 | Grandson | — | Wisconsin |
| 37 | John Mader | 72 | Lodger | — | Wisconsin |
| 38 | Carl Phieon | 47 | Head | Proprietor | Wisconsin |
| 39 | Grace Phieon | 37 | Wife | — | Wisconsin |
| 40 | Charles Phieon | 17 | Son | — | Wisconsin |
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)