JJ
John Johnston — 1940 US Census Record
Model Tree available1940 United States Federal Census · Macon-County, Illinois
Our Model Tree links this John Johnston across the 1920, 1930 and 1940 US Censuses in Macon-County, Illinois (XGBoost, ~Confirmed), with identified parents John & Joseph — first a head (b.~1913), then head of a 5-person household.
Age 27
b. ~1913
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Macon-County, Illinois |
| Surname | Johnston |
| Given Name | John E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Macon |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farming |
| Class of Worker | E |
| Hours Worked | 40 |
| Income (1939) | 150 |
| Highest Grade | No 8 |
| 1935 Residence | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Farmer |
| Township / Ward | Illini Township |
| Est. Birth Year | ~1913 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| John Johnston | Head | — | 27 | ~1913 |
| Robert Johnston | Son | — | 1 | ~1939 |
| Gary Johnston | Son | — | 3 | ~1937 |
| John Johnston | Son | — | 4 | ~1936 |
| Maxine Johnston | Spouse | — | 24 | ~1916 |
Census Appearances
1920
Macon, Illinois
Son, age 7
Macon, Illinois · implied b. ~1913 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnston |
| Given Name | John E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Macon, Illinois
Son, age 17
Macon, Illinois · implied b. ~1913 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnston |
| Given Name | John E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Macon-County, Illinois
Head, age 27
Macon-County, Illinois · implied b. ~1913 — 5 household members
| Surname | Johnston |
| Given Name | John E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Macon |
| Occupation | Farmer |
| Industry | Farming |
| Class of Worker | E |
| Hours Worked | 40 |
| Income (1939) | 150 |
| Highest Grade | No 8 |
| 1935 Residence | Illinois |
| 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 John Johnston across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Johnston (~0.92 confidence) and father Joseph Johnston (~0.92 confidence) and mother Victoria Johnston (~0.92 confidence) and mother Pauline Johnston (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Johnston
b. ~1889
Source father
● Household
· direct · ~0.92
Father
Joseph Johnston
b. ~1889
Source father
● Household
· direct · ~0.92
Mother
Victoria Johnston
b. ~1890
Source mother
● Household
· direct · ~0.92
Mother
Pauline Johnston
b. ~1893
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Johnston
Head · 1940 · age 27 · b. ~1913 · Illinois
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Macon-County, Illinois
Open full size
1940 US Federal Census — Macon-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00845-00416)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Flonnie Huett | 27 | wife | H | Indiana |
| 2 | James M. Huett | 8 | son | — | Illinois |
| 3 | John Herron | 32 | Head | Farm Laborer | Illinois |
| 4 | Marsha Herron | 33 | wife | H | Illinois |
| 5 | John E. Johnston THIS PERSON | 27 | Head | Farmer | Illinois |
| 6 | Maxine Johnston | 24 | wife | H | Illinois |
| 7 | John R. Johnston | 4 | son | — | Illinois |
| 8 | Gary Lee Johnston | 3 | son | — | Illinois |
| 9 | Robert Carroll Johnston | 1 | son | — | Illinois |
| 10 | August A. Sonneborn | 49 | Head | Farm Laborer | Illinois |
| 11 | Margaret Sonneborn | 54 | wife | H | Arkansas |
| 12 | Pauline Watson | 33 | step daughter | H | Arkansas |
| 13 | Fred Johner | 44 | Head | Farmer | Germany |
| 14 | Frieda Johner | 42 | wife | H | Germany |
| 15 | George F. Johner | 12 | son | — | Illinois |
| 16 | Anna Kathryn Johner | 10 | daughter | — | Illinois |
| 17 | Carl Johner | 7 | son | — | Illinois |
| 18 | Elsie Johner | 3 | daughter | — | Illinois |
| 19 | Charles Rettke | 73 | uncle | H | Germany |
| 20 | Lena Rettke | 83 | aunt | H | Germany |
| 21 | Herman Letterly | 54 | Head | Farm Laborer | Illinois |
| 22 | Anna Letterly | 49 | wife | H | Illinois |
| 23 | Herman Jr. Letterly | 25 | son | Farm Laborer | Iowa |
| 24 | Eloise Letterly | 23 | daughter | H | Iowa |
| 25 | Leo Letterly | 19 | son | Night Guard | Iowa |
| 26 | Glenn Letterly | 13 | son | — | Illinois |
| 27 | Eugene Letterly | 7 | son | — | Illinois |
| 28 | Emogene Letterly | 7 | daughter | — | Illinois |
| 29 | Lester Buckles | 25 | Head | Farm Laborer | Illinois |
| 30 | Helen Buckles | 21 | wife | H | Illinois |
| 31 | Coline Buckles | 1 | daughter | — | Illinois |
| 32 | Robert Feathers | 59 | Head | Farmer | Tennessee |
| 33 | Dora Feathers | 45 | wife | H | Nebraska |
| 34 | Harvey Stillabower | 47 | Head | Farmer | Illinois |
| 35 | Mary E. Smith | 43 | sister | H | Illinois |
| 36 | Opal Stillabower | 22 | neice | H | Illinois |
| 37 | Jesse Stillabower | 15 | uncle | — | Indiana |
| 38 | James Simpson | 24 | Head | Farm Laborer | Indiana |
| 39 | Dorothy Simpson | 20 | wife | H | Illinois |
| 40 | Larry Simpson | 1 | son | — | Illinois |
Pedigree Summary
John
Gen 1 · 4 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)