KJ
Kenneth Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Madison-County, Illinois
Our Model Tree links this Kenneth Johnson across the 1920, 1930 and 1940 US Censuses in Madison-County, Illinois (XGBoost, ~Confirmed), with identified parents Frank & Frank — first a son (b.~1915), then head of a 5-person household.
Age 25
b. ~1915
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Madison-County, Illinois |
| Surname | Johnson |
| Given Name | Kenneth |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Edwardsville |
| 1935 Residence (County) | Madison |
| Additional Details | |
| Occupation | Farm Hand |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 250 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Farm Hand |
| Township / Ward | Edwardsville |
| Est. Birth Year | ~1915 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Kenneth | Age | Birth yr |
|---|---|---|---|---|
| Frank Johnson | Head | — | 69 | ~1871 |
| Russel Johnson | Son | — | 23 | ~1917 |
| Kenneth Johnson | Son | — | 25 | ~1915 |
| Anna Waugh | Spouse | — | 67 | ~1873 |
| Kate Johnson | Spouse | — | 56 | ~1884 |
Census Appearances
1920
Madison, Illinois
Son, age 4
Madison, Illinois · implied b. ~1916 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Kenneth |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Missouri |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Madison, Illinois
Son, age 15
Madison, Illinois · implied b. ~1915 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Kenneth |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Missouri |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Madison-County, Illinois
Son, age 25
Madison-County, Illinois · implied b. ~1915 — 5 household members
| Surname | Johnson |
| Given Name | Kenneth |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Edwardsville |
| 1935 Residence (County) | Madison |
| Occupation | Farm Hand |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 250 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Kenneth Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Frank Johnson (~0.92 confidence) and father Frank Johnson (~0.92 confidence) and father Frank Johnson (~0.92 confidence) and mother Anna Waugh (~0.92 confidence) and mother Kate Johnson (~0.92 confidence) and mother Catherine Johnson (~0.92 confidence) and mother Kate Johnson (~0.92 confidence). The pedigree spans 1 generation with 7 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Frank Johnson
b. ~1869
Source father
● Household
· direct · ~0.92
Father
Frank Johnson
b. ~1870
Source father
● Household
· direct · ~0.92
Father
Frank Johnson
b. ~1871
Source father
● Household
· direct · ~0.92
Mother
Anna Waugh
b. ~1873
Source mother
● Household
· direct · ~0.92
Mother
Kate Johnson
b. ~1879
Source mother
● Household
· direct · ~0.92
Mother
Catherine Johnson
b. ~1880
Source mother
● Household
· direct · ~0.92
Mother
Kate Johnson
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Kenneth Johnson
Son · 1940 · age 25 · b. ~1915 · Illinois
★ You are viewing this record
Sibling
Russel Johnson
Sibling · 1940 · age 23
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 — Madison-County, Illinois
Open full size
1940 US Federal Census — Madison-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00849-00655)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Oliver Gitger | 35 | Head | Machinist | Illinois |
| 2 | Ruby Gitger | 35 | Wife | — | Tennessee |
| 3 | Patricia Gitger | 13 | Daughter | — | Ohio |
| 4 | Marilyn Gitger | 3 | Daughter | — | Illinois |
| 5 | John Fensterman | 38 | Hired Man | Farm Hand | Illinois |
| 6 | Walter Perkes | 28 | Head | Welder | Illinois |
| 7 | Verna Perkes | 27 | Wife | — | Illinois |
| 8 | Katherine Perkes | 7 | Daughter | — | Illinois |
| 9 | James Lee Perkes | 4 | Son | — | Illinois |
| 10 | Frank Johnson | 69 | Head | — | Illinois |
| 11 | Kate Johnson | 56 | Wife | — | Illinois |
| 12 | Kenneth Johnson THIS PERSON | 25 | Son | Farm Hand | Illinois |
| 13 | Russel Johnson | 23 | Son | Laborer | Illinois |
| 14 | Anna Waugh | 67 | Wife | — | Illinois |
| 15 | Edward Howes | 23 | Head | Farmer | Illinois |
| 16 | Lois Howes | 21 | Wife | — | Illinois |
| 17 | Nancy Howes | 1 | Daughter | — | Illinois |
| 18 | Walter Stillwell | 63 | Head | — | Illinois |
| 19 | Alice Stillwell | 53 | Wife | — | Illinois |
| 20 | Cleo Stillwell | 17 | Son | Farm Hand | Illinois |
| 21 | Mildred Stillwell | 15 | Daughter | — | Illinois |
| 22 | Martin Stillwell | 15 | Son | — | Illinois |
| 23 | Amos Lowe | 27 | Head | Truck Driver | Nebraska |
| 24 | Margaret Lowe | 38 | Wife | — | Indiana |
| 25 | Rose M. Naylor | 12 | Daughter | — | Iowa |
| 26 | Robert Schreffer | 37 | Head | Farmer | Indiana |
| 27 | Pauline Schreffer | 39 | Wife | Owner | Kentucky |
| 28 | Katherine Schreffer | 12 | Daughter | — | Illinois |
| 29 | Clarence Southard | 39 | Head | Farmer | Illinois |
| 30 | Evelyn Southard | 39 | Wife | — | Indiana |
| 31 | Junior Southard | 19 | Son | Brass Worker | Illinois |
| 32 | Jane Southard | 16 | Daughter | — | Illinois |
| 33 | Warren Southard | 15 | Son | — | Illinois |
| 34 | Robert Southard | 4 | Son | — | Illinois |
| 35 | Lee Cline | 42 | Hired Man | Farm Hand | Illinois |
| 36 | Sam M. Guinn | 34 | Head | Material Man | Arkansas |
| 37 | Loretta Guinn | 27 | Wife | — | Illinois |
| 38 | Mathilda Guinn | 75 | Mother | — | Arkansas |
| 39 | Joseph Southard | 35 | Head | Shop Foreman | Illinois |
| 40 | Herta Southard | 29 | Wife | — | Germany |
Related Census Records
Pedigree Summary
Kenneth + 1 sibling
Gen 1 · 7 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)