EJ
Earl Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Montgomery-County, Indiana
Our Model Tree links this Earl Johnson across the 1920, 1930 and 1940 US Censuses in Montgomery-County, Indiana (XGBoost, ~Confirmed), with identified parents Earl & Earl — first a son (b.~1917), then head of a 3-person household.
Age 23
b. ~1917
Male
Son
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Montgomery-County, Indiana |
| Surname | Johnson |
| Given Name | Earl L Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Crawfordsville |
| 1935 Residence (County) | Montgomery |
| Additional Details | |
| Occupation | Advertising |
| Industry | Public Health |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 100 |
| Highest Grade | C 4 |
| 1935 Residence | Same Home |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Advertising |
| Township / Ward | Crawfordsville |
| Est. Birth Year | ~1917 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Earl | Age | Birth yr |
|---|---|---|---|---|
| Earl Johnson | Head | — | 57 | ~1883 |
| Earl Johnson | Son | — | 23 | ~1917 |
| Elizabeth Johnson | Spouse | — | 44 | ~1896 |
Census Appearances
1920
Montgomery, Indiana
Son, age 3
Montgomery, Indiana · implied b. ~1917 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Earl L. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Montgomery, Indiana
Son, age 13
Montgomery, Indiana · implied b. ~1917 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Earl L Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Montgomery-County, Indiana
Son, age 23
Montgomery-County, Indiana · implied b. ~1917 — 3 household members
| Surname | Johnson |
| Given Name | Earl L Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Crawfordsville |
| 1935 Residence (County) | Montgomery |
| Occupation | Advertising |
| Industry | Public Health |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 100 |
| Highest Grade | C 4 |
| 1935 Residence | Same Home |
| 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.
Our Model Tree links Earl Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Earl Johnson (~0.92 confidence) and father Earl Johnson (~0.92 confidence) and father Earl Johnson (~0.92 confidence) and mother Elizabeth Johnson (~0.92 confidence) and mother Elizabeth Johnson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Earl Johnson
b. ~1883
Source father
● Household
· direct · ~0.92
Father
Earl Johnson
b. ~1883
Source father
● Household
· direct · ~0.92
Father
Earl Johnson
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Elizabeth Johnson
b. ~1891
Source mother
● Household
· direct · ~0.92
Mother
Elizabeth Johnson
b. ~1896
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Earl Johnson
Son · 1940 · age 23 · b. ~1917 · Indiana
★ 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 — Montgomery-County, Indiana
Open full size
1940 US Federal Census — Montgomery-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01080-00438)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Louise Remley | 49 | Head | First Trick Insurance | Indiana |
| 42 | Kathleen Remley | 22 | Daughter | Hospital Nurse | Indiana |
| 43 | Elmer Dickman | 24 | Head | Fireman | Indiana |
| 44 | Margaret Dickman | 21 | Wife | Office | Indiana |
| 45 | Edith Ward | 38 | Mother-in-law | Deputy Recorder | Indiana |
| 46 | Albert H Meyers | 63 | Son-in-law | Stock Buyer | Indiana |
| 47 | Glen W Gary | 42 | Head | Railroad Agent | Indiana |
| 48 | Alma Gary | 39 | Wife | — | Indiana |
| 49 | Dorothy Jean Gary | 13 | Daughter | Book Binder | Indiana |
| 50 | Maxine Ball | 19 | Daughter | Book Binder | Indiana |
| 51 | Benjamin H Ball | 21 | Son-in-law | General Labor | Indiana |
| 52 | Robert A Songer | 41 | Head | Manager | Indiana |
| 53 | Alice Songer | 36 | Wife | Grocery Clerk | Kansas |
| 54 | Robert C Songer | 22 | Son | Truck Driver | Indiana |
| 55 | William Todd | 63 | Head | General Labor | Indiana |
| 56 | Grace Todd | 60 | Wife | — | Indiana |
| 57 | Walter R Cruee | 68 | Head | Foreman Newspaper | Indiana |
| 58 | Agnes Cruee | 67 | Wife | — | Indiana |
| 59 | Lulu Cruee | 71 | Sister | — | Indiana |
| 60 | Claude Irons | 52 | Head | Overseer Sales Barn | Indiana |
| 61 | Margaret Irons | 50 | Wife | — | Massachusetts |
| 62 | Thomas G Irons | 27 | Son | Mailing Clerk | S. Dakota |
| 63 | Isabella Mccoy | 75 | Lodger | — | Indiana |
| 64 | Charles H Cochran | 59 | Head | Manager Foundry | Illinois |
| 65 | Hazel E Cochran | 43 | Wife | — | Illinois |
| 66 | Wemple Dodds | 41 | Head | Physician | Illinois |
| 67 | Ella Dodds | 63 | Mother | — | New York |
| 68 | Alf Parrish | 70 | Head | — | Indiana |
| 69 | Belle Parrish | 65 | Wife | — | Indiana |
| 70 | Earl L Johnson | 57 | Head | General Insurance Agent | Indiana |
| 71 | Elizabeth Johnson | 44 | Wife | — | Indiana |
| 72 | Earl L Jr Johnson THIS PERSON | 23 | Son | Advertising | Indiana |
| 73 | George E Smith | 33 | Head | Construction Engineer | Indiana |
| 74 | Laura Smith | 35 | Wife | — | Indiana |
| 75 | George Edward Smith | 1 | Son | — | Indiana |
| 76 | Goldie Britt | 62 | Head | Housekeeper | Indiana |
| 77 | Mildred Paxton | 28 | Lodger | General Nurse | Indiana |
| 78 | Lucille Wilson | 26 | Lodger | Floor Superintendent Nurse | Indiana |
| 79 | Ida Mae Richner | 68 | Head | — | Indiana |
| 80 | Frank Nicholas | 30 | Head | Filling Station Attendant | Illinois |
Pedigree Summary
Earl
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)