JK
John Kaiser — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Milwaukee-County, Wisconsin
Our Model Tree links this John Kaiser across the 1930 and 1940 US Censuses in Milwaukee-County, Wisconsin (XGBoost, ~Confirmed) — first a son (b.~1928), then head of a 11-person household.
Age 12
b. ~1928
Male
Son
Born: Wisconsin
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Milwaukee-County, Wisconsin |
| Surname | Kaiser |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| 1935 Residence (City) | MILWAUKEE |
| 1935 Residence (County) | MILWAUKEE |
| Additional Details | |
| Highest Grade | 4 |
| 1935 Residence | Same place |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
| Township / Ward | Milwaukee |
| Est. Birth Year | ~1928 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Margaret Kaiser | Daughter | — | 14 | ~1926 |
| Rose Kaiser | Spouse | — | 44 | ~1896 |
| Edward Kaiser | Son | — | 4 | ~1936 |
| Ann Kaiser | Daughter | — | 10 | ~1930 |
| Robert Kaiser | Son | — | 6 | ~1934 |
| Rosemary Kaiser | Daughter | — | 7 | ~1933 |
| John Kaiser | Head | — | 40 | ~1900 |
| Leonard Kaiser | Son | — | 16 | ~1924 |
| Paul Kaiser | Son | — | 9 | ~1931 |
| John Kaiser | Son | — | 12 | ~1928 |
| Albert Kaiser | Son | — | 13 | ~1927 |
Census Appearances
1930
Milwaukee, Wisconsin
Son, age 1
Milwaukee, Wisconsin · implied b. ~1929 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kaiser |
| Given Name | John Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Wisconsin |
| Occupation | none |
| Can Read/Write | No |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1940
Milwaukee-County, Wisconsin
Son, age 12
Milwaukee-County, Wisconsin · implied b. ~1928 — 11 household members
| Surname | Kaiser |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| 1935 Residence (City) | MILWAUKEE |
| 1935 Residence (County) | MILWAUKEE |
| Highest Grade | 4 |
| 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 Kaiser across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Kaiser
Son · 1940 · age 12 · b. ~1928 · Wisconsin
★ You are viewing this record
Sibling
Leonard Kaiser
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Kaiser
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Kaiser
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Albert Kaiser
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ann Kaiser
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Kaiser
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Kaiser
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rosemary Kaiser
Sibling · 1940 · age 7
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 — Milwaukee-County, Wisconsin
Open full size
1940 US Federal Census — Milwaukee-County, Wisconsin
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-04546-00035)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Sam Margoles | 62 | Head | Proprietor | Russia |
| 2 | Rebecca Margoles | 60 | Wife | — | Russia |
| 3 | Donald Margoles | 30 | Son | Partner | Russia |
| 4 | Charlotte Margoles | 28 | Daughter | Saleslady | Russia |
| 5 | Wm. Hegerty | 54 | Head | Punch Press Operator | Wisconsin |
| 6 | Charlotte Hegerty | 54 | Wife | — | Wisconsin |
| 7 | Edward Hegerty | 21 | Son | New Worker | Wisconsin |
| 8 | Fred Williams | 34 | Head | Laborer | Wisconsin |
| 9 | Alberta Heiden | 40 | Lodger | Sewer | Illinois |
| 10 | John N. Kaiser | 40 | Head | Laborer | Wisconsin |
| 11 | Rose M. Kaiser | 44 | Wife | — | Wisconsin |
| 12 | Leonard Kaiser | 16 | Son | — | Wisconsin |
| 13 | Margaret M. Kaiser | 14 | Daughter | — | Wisconsin |
| 14 | Albert Kaiser | 13 | Son | — | Wisconsin |
| 15 | John Kaiser THIS PERSON | 12 | Son | — | Wisconsin |
| 16 | Ann Kaiser | 10 | Daughter | — | Wisconsin |
| 17 | Paul Kaiser | 9 | Son | — | Wisconsin |
| 18 | Rosemary Kaiser | 7 | Daughter | — | Wisconsin |
| 19 | Robert Kaiser | 6 | Son | — | Wisconsin |
| 20 | Edward Kaiser | 4 | Son | — | Wisconsin |
| 21 | Celestino Fernandez | 70 | Head | — | Spain |
| 22 | Ida Fernandez | 59 | Wife | — | Wisconsin |
| 23 | Elizabeth Wahlen | 55 | Head | — | Wisconsin |
| 24 | Ferdinand Krieger | 86 | Head | — | Wisconsin |
| 25 | Elsie Krieger | 63 | Wife | — | Wisconsin |
| 26 | Joseph Bartula | 61 | Head | Inspector | Russia |
| 27 | Elizabeth Bartula | 64 | Wife | — | Wisconsin |
| 28 | Harry Becker | 44 | Step Son | Painter | Wisconsin |
| 29 | Joseph Beyer | 37 | Head | Electrician | Wisconsin |
| 30 | Isabel Beyer | 40 | Wife | — | Michigan |
| 31 | Barbara Witkiewicz | 72 | Mother-in-law | — | Germany |
| 32 | Kenneth Beyer | 13 | Son | — | Wisconsin |
| 33 | Donald Beyer | 10 | Son | — | Wisconsin |
| 34 | Walter Balsewicz | 46 | Head | Machinist | Wisconsin |
| 35 | Blanche Balsewicz | 45 | Wife | — | Wisconsin |
| 36 | Bessie Balsewicz | 20 | Daughter | Clerk | Wisconsin |
| 37 | Victor Paris | 45 | Head | Dyer | Austria |
| 38 | Oriele Paris | 46 | Wife | — | Italy |
| 39 | Elena Paris | 20 | Daughter | — | Austria |
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)