YourRoots by Genomelink
Sign up free
JK

John Kaiser — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Knox-County, Indiana

Our Model Tree links this John Kaiser across the 1930 and 1940 US Censuses in Knox-County, Indiana (XGBoost, ~Confirmed) — first a son (b.~1925), then head of a 9-person household.

Age 15 b. ~1925 Male Son Born: Indiana Single

1940 Census Record Details

Census Year1940
LocationKnox-County, Indiana
SurnameKaiser
Given NameJohn Robert
Relationship to HeadSon
SexM
Color / RaceWhite
Age15
Marital StatusSingle
BirthplaceIndiana
1935 Residence (City)Knox
1935 Residence (County)Knox
Additional Details
Highest GradeH 2
1935 ResidenceIndiana
Birth StateIndiana
Birth CountryUnited States
Birthplace (normalized)indiana
Township / WardVincennes 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.

9 people recorded at the same address in the 1940 census.

Name Relation to head Relative to John Age Birth yr
Tony Kaiser Son — 23 ~1917
Paul Kaiser Son — 21 ~1919
Marceline Kaiser Daughter — 30 ~1910
Edward Kaiser Son — 35 ~1905
John Kaiser Son — 15 ~1925
Katherine Kaiser Spouse — 59 ~1881
Anna Kaiser Daughter — 25 ~1915
Tony Kaiser Head — 60 ~1880
Irene Kaiser Daughter — 30 ~1910

Census Appearances

1930
Knox, Indiana
Son, age 5
Knox, Indiana · implied b. ~1925 — 2 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Kaiser
Given Name John R
Relationship to Head son
Sex M
Color / Race White
Age 5
Marital Status Single
Birthplace Indiana
Father's Birthplace Indiana
Mother's Birthplace Indiana
Occupation none
Can Read/Write No
Birth State Indiana
Birth Country United States
Birthplace (normalized) indiana
1940
Knox-County, Indiana
Son, age 15
Knox-County, Indiana · implied b. ~1925 — 9 household members
Surname Kaiser
Given Name John Robert
Relationship to Head Son
Sex M
Color / Race White
Age 15
Marital Status Single
Birthplace Indiana
1935 Residence (City) Knox
1935 Residence (County) Knox
Highest Grade H 2
1935 Residence Indiana
Birth State Indiana
Birth Country United States
Birthplace (normalized) indiana

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.
Linked across censuses
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 15 · b. ~1925 · Indiana
★ You are viewing this record
Sibling
Paul Kaiser
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Tony Kaiser
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Kaiser
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Irene Kaiser
Sibling · 1940 · age 30
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marceline Kaiser
Sibling · 1940 · age 30
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Kaiser
Sibling · 1940 · age 35
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 — Knox-County, Indiana Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01060-00620)

Line Name Age Relation Occupation Birthplace
1 Robert Donovan 15 Son — Indiana
2 Leroy Donovan 11 Son — Indiana
3 Dorothy Jean Donovan 9 Daughter — Indiana
4 Tony Kaiser 60 Head Common Labor Indiana
5 Katherine Kaiser 59 Wife — Indiana
6 Edward Kaiser 35 Son Cutter Indiana
7 Irene Kaiser 30 Daughter Saleslady Indiana
8 Marceline Kaiser 30 Daughter Saleslady Indiana
9 Anna Kaiser 25 Daughter Stenographer Indiana
10 Tony Jr Kaiser 23 Son Draughtsman Indiana
11 Paul Kaiser 21 Son Printer Indiana
12 John Robert Kaiser THIS PERSON 15 Son — Indiana
13 Kenneth Myers 34 Head Embalmer Indiana
14 Beatrice Myers 36 Wife — Indiana
15 Vernal Ellis 51 Head Lineman Indiana
16 Evelyn Ellis 25 Wife — Indiana
17 Carolyn Ellis 7 Daughter — Indiana
18 William Ellis 2 Son — Florida
19 Morton White 24 Head Unskilled Laborer Indiana
20 Dorothy White 19 Wife — Indiana
21 James White 3 Son — Indiana
22 Ray Smith 45 Head Pharmacist Indiana
23 Mary Smith 43 Wife — Illinois
24 Robert Smith 17 Son Salesman Indiana
25 Don Smith 15 Son Salesman Indiana
26 George Smith 2 Son — Indiana
27 Etta Smith 24 Head Saleslady Ohio
28 Henry L. Nielmann 45 Head Proprietor Indiana
29 Carrie S. Nielmann 49 Wife — Indiana
30 John Nielmann 21 Son Presser Indiana
31 Lorraine Nielmann 18 Daughter Interior Decorator Indiana
32 William Rasche 61 Head Tailor Indiana
33 Anna D. Rasche 55 Wife — Indiana
34 Marie L. Rasche 21 Daughter Cashier Indiana
35 Dean Potter Rasche 13 Grandson — Indiana
36 Charles F. Folsom 63 Head Interior Decorator Indiana
37 Neva E. Folsom 61 Wife — Indiana
38 Charles B. Folsom 22 Son Interior Decorator Indiana
39 Frank Junghaus 41 Head Meter Department Indiana
40 Mary E. Junghaus 42 Wife Cashier Indiana

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)

👤 View Profile 🌳 Ancestors 👥 Descendants