JB
John Berger — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Marathon-County, Wisconsin
Our Model Tree links this John Berger across the 1930 and 1940 US Censuses in Marathon-County, Wisconsin (XGBoost, ~Confirmed) — first a son (b.~1925), then head of a 6-person household.
Age 15
b. ~1925
Male
Son
Born: Wisconsin
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Marathon-County, Wisconsin |
| Surname | Berger |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Wausau City |
| 1935 Residence (County) | Marathon |
| Additional Details | |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
| Township / Ward | Wausau City |
| 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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Selma Berger | Spouse | — | 55 | ~1885 |
| Joseph Berger | Son | — | 13 | ~1927 |
| John Berger | Son | — | 15 | ~1925 |
| Mark Berger | Son | — | 19 | ~1921 |
| Benjamin Berger | Son | — | 10 | ~1930 |
| Hubert Berger | Head | — | 62 | ~1878 |
Census Appearances
1930
Marathon, Wisconsin
Son, age 6
Marathon, Wisconsin · implied b. ~1924 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Burger |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Wisconsin |
| Occupation | none |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1940
Marathon-County, Wisconsin
Son, age 15
Marathon-County, Wisconsin · implied b. ~1925 — 6 household members
| Surname | Berger |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Wausau City |
| 1935 Residence (County) | Marathon |
| Highest Grade | Hs 2 |
| 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 Berger across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Berger
Son · 1940 · age 15 · b. ~1925 · Wisconsin
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Sibling
Joseph Berger
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Benjamin Berger
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mark Berger
Sibling · 1940 · age 19
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 — 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-t0627-04497-00215)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Judith Sulzer | 2 | Hta | — | Wisconsin |
| 2 | Meta Wendt | 61 | Head | Housework | Wisconsin |
| 3 | Elmer Olson | 45 | Head | Bookkeeper | Wisconsin |
| 4 | Ada Olson | 42 | Wife | — | Wisconsin |
| 5 | Mary Fritz | 21 | Lodger | Teacher | Wisconsin |
| 6 | William Flanily | 45 | Head | Field Representative | Wisconsin |
| 7 | Martha Flanily | 35 | Wife | Housework | Connecticut |
| 8 | Gordon Comps | 31 | Head | Reg Pharmacist | Wisconsin |
| 9 | Brummanger | None | Lodger | — | — |
| 10 | Arthur Niebel | 48 | Head | Sales Engineer | Washington |
| 11 | Ella Niebel | 46 | Wife | Commercial Teacher | Wisconsin |
| 12 | Robert Whitney | 25 | Head | Salesman | Wisconsin |
| 13 | Rosalie Whitney | 22 | Wife | — | Wisconsin |
| 14 | Freda Wagner | 36 | Head | Cashier | Wisconsin |
| 15 | Esther Richard | 33 | Head | Cashier | Wisconsin |
| 16 | Emma M. Eakin | 32 | Head | Bookkeeper | Wisconsin |
| 17 | Widine Abbott | 25 | Lodger | Beautician | Wisconsin |
| 18 | Mary Gappe | 78 | Head | — | Wisconsin |
| 19 | Marie Busse | 37 | Head | — | Wisconsin |
| 20 | Hermione Silverthorn | 47 | Head | Bookkeeper | Wisconsin |
| 21 | Nellie Silverthorn | 46 | Sister | — | Wisconsin |
| 22 | Annie M. Piso | 23 | Servant | Housework | Wisconsin |
| 23 | Hubert J. Berger | 62 | Head | — | Wisconsin |
| 24 | Selma Berger | 55 | Wife | — | Wisconsin |
| 25 | Mark Berger | 19 | Son | Clipper | Wisconsin |
| 26 | John Berger THIS PERSON | 15 | Son | — | Wisconsin |
| 27 | Joseph Berger | 13 | Son | — | Wisconsin |
| 28 | Benjamin Berger | 10 | Son | — | Wisconsin |
| 29 | Anton Katzka | 46 | Head | Mechanic | Wisconsin |
| 30 | Regina Katzka | 40 | Wife | — | Wisconsin |
| 31 | Gilbert Katzka | 19 | Son | Common Labor | Wisconsin |
| 32 | Lucile Katzka | 16 | Dtr | — | Wisconsin |
| 33 | Alice Katzka | 13 | Dtr | — | Wisconsin |
| 34 | Marian Katzka | 11 | Dtr | — | Wisconsin |
| 35 | Bernice Katzka | 8 | Dtr | — | Wisconsin |
| 36 | James Katzka | 5 | Son | — | Wisconsin |
| 37 | Charles F. Macdonald | 63 | Head | Farm Foreman | Illinois |
| 38 | Annie Macdonald | 40 | Wife | — | Wisconsin |
| 39 | Ernest Wulter | 32 | Head | Sausage Maker | Wisconsin |
| 40 | Olga Wulter | 31 | Wife | — | N Dakota |
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)