MJ
Morris Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Dekalb-County, Illinois
Our Model Tree links this Morris Johnson across the 1930 and 1940 US Censuses in Dekalb-County, Illinois (XGBoost, ~Confirmed) — first a son (b.~1925), then head of a 10-person household.
Age 15
b. ~1925
Male
Son
Born: Sweden
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Dekalb-County, Illinois |
| Surname | Johnson |
| Given Name | Morris Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Sweden |
| 1935 Residence (City) | R |
| 1935 Residence (County) | De Kalb |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | farm labor |
| Industry | farm |
| Class of Worker | PW |
| Hours Worked | 70 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Illinois |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
| Occupation | Farm Laborer |
| Township / Ward | Mayfield |
| 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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Morris | Age | Birth yr |
|---|---|---|---|---|
| Alice Johnson | Daughter | — | 11 | ~1929 |
| Jean Johnson | Daughter | — | 9 | ~1931 |
| Patricia Johnson | Daughter | — | ~1940 | |
| Morris Johnson | Head | — | 47 | ~1893 |
| Morris Johnson | Son | — | 15 | ~1925 |
| Hellen Johnson | Daughter | — | 8 | ~1932 |
| Lester Johnson | Son | — | 2 | ~1938 |
| Ralph Johnson | Son | — | 12 | ~1928 |
| Ray Johnson | Son | — | 14 | ~1926 |
| Hildur Johnson | Spouse | — | 44 | ~1896 |
Census Appearances
1930
De Kalb, …
Son, age 5
De Kalb, Illinois · implied b. ~1925 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Morris Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Sweden |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
1940
Dekalb-County, Illinois
Son, age 15
Dekalb-County, Illinois · implied b. ~1925 — 10 household members
| Surname | Johnson |
| Given Name | Morris Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Sweden |
| 1935 Residence (City) | R |
| 1935 Residence (County) | De Kalb |
| Naturalization Status | Naturalized |
| Occupation | farm labor |
| Industry | farm |
| Class of Worker | PW |
| Hours Worked | 70 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Illinois |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
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 Morris Johnson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Morris Johnson
Son · 1940 · age 15 · b. ~1925 · Illinois
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Sibling
Lester Johnson
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ray Johnson
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Johnson
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ralph Johnson
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hellen Johnson
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patricia Johnson
Sibling · 1940 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jean Johnson
Sibling · 1940 · age 9
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 — Dekalb-County, Illinois
Open full size
1940 US Federal Census — Dekalb-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00793-00704)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Carol Ann Timm | 2 | Daughter | — | Illinois |
| 42 | Adrin Smith | 16 | Son-in-law | Farm Laborer | Tennessee |
| 43 | Lee E. Nelson | 62 | Head | Farmer | Sweden |
| 44 | Margaret Nelson | 60 | Wife | — | Illinois |
| 45 | Betty Ann Rogers | 31 | Granddaughter | House Maid | Illinois |
| 46 | Gust Lundquist | 63 | Hired hand | Farm Labor | Sweden |
| 47 | Bernie Dugan | 63 | Head | Farmer | Illinois |
| 48 | Mary Dugan | 63 | Wife | — | Illinois |
| 49 | Frances Dugan | 22 | Daughter | Machine Operator | Illinois |
| 50 | Thomas Dugan | 26 | Son | Machine Operator | Illinois |
| 51 | Rita Dugan | 18 | Daughter | — | Illinois |
| 52 | John Beakeling|Beakling | 49 | Head | Farmer | Illinois |
| 53 | Maud Beakeling|Beakling | 40 | Wife | — | Illinois |
| 54 | William Cook | 78 | Uncle | — | Illinois |
| 55 | Morris Johnson | 47 | Head | Farmer | Sweden |
| 56 | Hildur Johnson | 44 | Wife | — | Sweden |
| 57 | Morris Jr. Johnson THIS PERSON | 15 | Son | Farm Labor | Sweden |
| 58 | Ray Johnson | 14 | Son | — | Sweden |
| 59 | Ralph Johnson | 12 | Son | — | Illinois |
| 60 | Alice Johnson | 11 | Daughter | — | Illinois |
| 61 | Hellen Johnson | 8 | Daughter | — | Illinois |
| 62 | Jean Johnson | 9 | Daughter | — | Illinois |
| 63 | Lester Johnson | 2 | Son | — | Illinois |
| 64 | Patricia Johnson | 0 | Daughter | — | Illinois |
| 65 | Hans Wisted | 50 | Head | Farmer | Norway |
| 66 | Clara Wisted | 42 | Wife | — | Illinois |
| 67 | Albert Wisted | 18 | Son | Farm Labor | Illinois |
| 68 | Betty Lou Wisted | 13 | Daughter | — | Illinois |
| 69 | Donna May Wisted | 11 | Daughter | — | Illinois |
| 70 | Charlotte A. Wisted | 20 | Daughter | Clerk | Illinois |
| 71 | Hugh Mcmenamin | 48 | Head | Farmer | Illinois |
| 72 | Mary Mcmenamin | 35 | Wife | — | Illinois |
| 73 | Hugh Jr. Mcmenamin | 13 | Son | — | Illinois |
| 74 | John Gerald Mcmenamin | 12 | Son | — | Illinois |
| 75 | Marvin Mcmenamin | 7 | Son | — | Illinois |
| 76 | Joseph Mcmenamin | 6 | Son | — | Illinois |
| 77 | Mary Ann Mcmenamin | 4 | Daughter | — | Illinois |
| 78 | Nels B. Nelson | 63 | Head | Farmer | Sweden |
| 79 | Gerda Nelson | 43 | Wife | — | Sweden |
| 80 | Martin Nelson | 12 | Son | — | Illinois |
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)