JK
John Kaiser — 1940 US Census Record
Model Tree available1940 United States Federal Census · Wyandotte-County, Kansas
Our Model Tree links this John Kaiser across the 1910, 1920, 1930 and 1940 US Censuses in Wyandotte-County, Kansas (XGBoost, ~Confirmed), with identified parents Albert & John — first a son (b.~1901), then head of a 8-person household.
Age 39
b. ~1901
Male
Son
Born: Kansas
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Wyandotte-County, Kansas |
| Surname | Kaiser |
| Given Name | John J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | Wyandotte Township |
| 1935 Residence (County) | Wyandotte |
| Additional Details | |
| Occupation | Machinist |
| Industry | Packing House |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1260 |
| Highest Grade | H 4 |
| 1935 Residence | Same House |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
| Occupation | Machinist |
| Township / Ward | Wyandotte Township |
| Est. Birth Year | ~1901 |
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 |
|---|---|---|---|---|
| Aloysius Kaiser | Son | — | 23 | ~1917 |
| Bernard Kaiser | Son | — | 20 | ~1920 |
| Joseph Kaiser | Son | — | 17 | ~1923 |
| Emil Kaiser | Son | — | 28 | ~1912 |
| Lalla Kaiser | Daughter | — | 37 | ~1903 |
| John Kaiser | Head | — | 67 | ~1873 |
| Josephine Kaiser | Spouse | — | 63 | ~1877 |
| John Kaiser | Son | — | 39 | ~1901 |
Census Appearances
1910
Wyandotte, Kansas
Son, age 9
Wyandotte, Kansas · implied b. ~1901 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kaiser |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Kansas |
| Occupation | none |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1920
Wyandotte, Kansas
Son, age 19
Wyandotte, Kansas · implied b. ~1901 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kaiser |
| Given Name | John J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Kansas |
| Occupation | Machinist |
| Industry | Manufacturer |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1930
Wyandotte, Kansas
Son, age 29
Wyandotte, Kansas · implied b. ~1901 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kaiser |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Kansas |
| Occupation | Machinist |
| Industry | Packing House |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1940
Wyandotte-County, Kansas
Son, age 39
Wyandotte-County, Kansas · implied b. ~1901 — 8 household members
| Surname | Kaiser |
| Given Name | John J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | Wyandotte Township |
| 1935 Residence (County) | Wyandotte |
| Occupation | Machinist |
| Industry | Packing House |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1260 |
| Highest Grade | H 4 |
| 1935 Residence | Same House |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
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 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Albert Kaiser (~0.92 confidence) and father John Kaiser (~0.92 confidence) and father John Kaiser (~0.92 confidence) and mother Josephine Kaiser (~0.92 confidence) and mother Josephine Kaiser (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Albert Kaiser
b. ~1873
Source father
● Household
· direct · ~0.92
Father
John Kaiser
b. ~1873
Source father
● Household
· direct · ~0.92
Father
John Kaiser
b. ~1874
Source father
● Household
· direct · ~0.92
Mother
Josephine Kaiser
b. ~1880
Source mother
● Household
· direct · ~0.92
Mother
Josephine Kaiser
b. ~1877
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Kaiser
Son · 1940 · age 39 · b. ~1901 · Kansas
★ You are viewing this record
Sibling
Aloysius Kaiser
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lalla Kaiser
Sibling · 1940 · age 37
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Emil Kaiser
Sibling · 1940 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Kaiser
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bernard Kaiser
Sibling · 1940 · age 20
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 — Wyandotte-County, Kansas
Open full size
1940 US Federal Census — Wyandotte-County, Kansas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01266-00778)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Delafadell Alma Delagadell | 30 | Wife | — | Missouri |
| 42 | David Bryant | 6 | Lodger | — | Missouri |
| 43 | James Bryant | 4 | Lodger | — | Missouri |
| 44 | Martha Bryant | 3 | Lodger | — | Missouri |
| 45 | Anna Bird | 74 | Head | — | Michigan |
| 46 | Pearl Bates | 52 | Daughter | Hat Buyer | Michigan |
| 47 | Frances Bates | 30 | Daughter | Teacher | Kansas |
| 48 | Bertha Huff | 59 | Servant | Servant | Missouri |
| 49 | Harold Curtis | 31 | Head | Manager | Missouri |
| 50 | Glenola Curtis | 31 | Wife | Bookkeeper | Missouri |
| 51 | Ronald Curtis | 2 | Son | — | Kansas |
| 52 | Hattie West | 55 | Mother in law | Housekeeper | Missouri |
| 53 | Leonard Thomas | 28 | Head | Lawyer | Oregon |
| 54 | Helen Thomas | 28 | Wife | — | Missouri |
| 55 | Anna Lea Thomas | 0 | Daughter | — | Kansas |
| 56 | Betty Owens | 17 | Sister in law | — | Missouri |
| 57 | Opal P. Kaiser | 44 | Head | — | Kansas |
| 58 | Charles Ab. Kaiser | 22 | Son | — | Kansas |
| 59 | Dorothy Ab. Kaiser | 18 | Daughter | — | Kansas |
| 60 | Roanald Kaiser | 15 | Son | — | Kansas |
| 61 | Francis Earl Kaiser | 8 | Son | — | Oklahoma |
| 62 | John D. Kaiser | 67 | Head | — | Kansas |
| 63 | Josephine Kaiser | 63 | Wife | — | Kansas |
| 64 | John J. Kaiser THIS PERSON | 39 | Son | Machinist | Kansas |
| 65 | Lalla Kaiser | 37 | Daughter | Housework | Kansas |
| 66 | Emil Kaiser | 28 | Son | Machinist | Kansas |
| 67 | Aloysius Kaiser | 23 | Son | Clerk I | Kansas |
| 68 | Bernard Kaiser | 20 | Son | New Worker | Kansas |
| 69 | Joseph Kaiser | 17 | Son | — | Kansas |
| 70 | Wallace Rigby | 29 | Head | Laborer | Kansas |
| 71 | Delice Rigby | 27 | Wife | — | Kansas |
| 72 | Dolores Rigby | 11 | Daughter | — | Missouri |
| 73 | Henry Smith | 54 | Father in law | Brakeman | Missouri |
| 74 | Russell Quiehut | 42 | Head | Foreman | Missouri |
| 75 | Margaret Quiehut | 41 | Wife | Upholsterer | Louisiana |
| 76 | Earl Quiehut | 15 | Son | — | Missouri |
| 77 | Lloyd Quiehut | 14 | Son | — | Kansas |
| 78 | Ray Westfall | 27 | Head | Door Lock Checker | Missouri |
| 79 | Ruby Westfall | 21 | Wife | — | Missouri |
| 80 | William L. Westfall | 0 | Son | — | Colorado |
Related Census Records
Pedigree Summary
John + 5 siblings
Gen 1 · 5 parents
~0.92
Max depth 4 (1900–1950 window)
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)