DJ
Donald Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Mahoning-County, Ohio
Our Model Tree links this Donald Johnson across the 1930 and 1940 US Censuses in Mahoning-County, Ohio (XGBoost, ~Confirmed) — first a son (b.~1923), then head of a 14-person household.
Age 17
b. ~1923
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Mahoning-County, Ohio |
| Surname | Johnson |
| Given Name | Donald |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Beaver |
| 1935 Residence (County) | Pennsylvania |
| Additional Details | |
| Occupation | Farm Laborer |
| Industry | Farm |
| Class of Worker | NP |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | H-1 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Farm Laborer |
| Township / Ward | Green Township |
| Est. Birth Year | ~1923 |
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.
14 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Donald | Age | Birth yr |
|---|---|---|---|---|
| Violet Johnson | Daughter | — | 19 | ~1921 |
| Hazel Johnson | Daughter | — | 8 | ~1932 |
| Alice Johnson | Daughter | — | 15 | ~1925 |
| Julia Johnson | Daughter | — | 12 | ~1928 |
| Clifford Johnson | Head | — | 44 | ~1896 |
| Mildred Johnson | Other | — | 21 | ~1919 |
| Robert Johnson | Son | — | 10 | ~1930 |
| Gene Johnson | Son | — | 3 | ~1937 |
| Glenn Johnson | Son | — | 3 | ~1937 |
| Edward Johnson | Son | — | 5 | ~1935 |
| William Johnson | Son | — | 13 | ~1927 |
| James Johnson | Son | — | 23 | ~1917 |
| Donald Johnson | Son | — | 17 | ~1923 |
| Ethellda Johnson | Spouse | — | 44 | ~1896 |
Census Appearances
1930
Mahoning, Ohio
Son, age 7
Mahoning, Ohio · implied b. ~1923 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Donald R |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Mahoning-County, Ohio
Son, age 17
Mahoning-County, Ohio · implied b. ~1923 — 14 household members
| Surname | Johnson |
| Given Name | Donald |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Beaver |
| 1935 Residence (County) | Pennsylvania |
| Occupation | Farm Laborer |
| Industry | Farm |
| Class of Worker | NP |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | H-1 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 Donald Johnson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Donald Johnson
Son · 1940 · age 17 · b. ~1923 · Ohio
★ You are viewing this record
Sibling
Gene Johnson
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Johnson
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Johnson
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hazel Johnson
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Johnson
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Julia Johnson
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Johnson
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Glenn Johnson
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Johnson
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Violet Johnson
Sibling · 1940 · age 19
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 — Mahoning-County, Ohio
Open full size
1940 US Federal Census — Mahoning-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03109-00419)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Lena Weaver | 39 | wife | Music Teacher | Ohio |
| 42 | Martha Weaver | 13 | daughter | — | Ohio |
| 43 | Le-Roy Weaver | 10 | son | — | Ohio |
| 44 | Donna Jean Weaver | 6 | daughter | — | Ohio |
| 45 | John Weaver | 3 | son | — | Ohio |
| 46 | Clifford E. Johnson | 44 | Head | Miner | Pennsylvania |
| 47 | Ethellda Johnson | 44 | wife | — | Pennsylvania |
| 48 | Violet Johnson | 19 | daughter | — | Pennsylvania |
| 49 | Donald Johnson THIS PERSON | 17 | son | Farm Laborer | Ohio |
| 50 | Alice Johnson | 15 | daughter | — | Ohio |
| 51 | William Johnson | 13 | son | — | Ohio |
| 52 | Robert Johnson | 10 | son | — | Ohio |
| 53 | Hazel Johnson | 8 | daughter | — | Pennsylvania |
| 54 | Edward Johnson | 5 | son | — | Pennsylvania |
| 55 | Gene Johnson | 3 | son | — | Ohio |
| 56 | Glenn Johnson | 3 | son | — | Ohio |
| 57 | Julia Ann Johnson | 12 | daughter | — | Ohio |
| 58 | James L. Johnson | 23 | son | Miner | Pennsylvania |
| 59 | Mildred Johnson | 21 | daughter-in-law | — | Ohio |
| 60 | Clarence L. Bower | 57 | Head | Farm Laborer | West Virginia |
| 61 | Margaret R. Bower | 50 | wife | — | Indiana |
| 62 | Rowena Bower | 79 | mother | — | Ohio |
| 63 | Harry J. Nisenbaugh | 52 | Head | Salesman | Pennsylvania |
| 64 | Mary B. Nisenbaugh | 55 | wife | — | Pennsylvania |
| 65 | E. Louise Nisenbaugh | 24 | daughter | Grade Teacher | Pennsylvania |
| 66 | Ralph R. Nisenbaugh | 22 | son | Salesman | Pennsylvania |
| 67 | Warren R. Nisenbaugh | 19 | son | Laborer | Pennsylvania |
| 68 | Frank Henry | 63 | Head | Farm Laborer | Ohio |
| 69 | Margaret Henry | 52 | wife | — | Pennsylvania |
| 70 | David R. Mcconnell | 62 | Head | Farmer | West Virginia |
| 71 | Ella Mcconnell | 52 | wife | — | Ohio |
| 72 | George C. Shultz | 29 | Head | Tree Trimmer | Ohio |
| 73 | Eloise Shultz | 31 | wife | — | West Virginia |
| 74 | Albert V. Kenreigh | 64 | Head | Farmer | Ohio |
| 75 | Helen Kenreigh | 54 | wife | — | Ohio |
| 76 | Alberta Kenreigh | 14 | daughter | — | Ohio |
| 77 | Albert Jr. Kenreigh | 10 | son | — | Ohio |
| 78 | Roland Farmer | 46 | Hired man | Farm Laborer | Ohio |
| 79 | Carl R. Baughman | 24 | Head | Proprietor | Ohio |
| 80 | Betty Baughman | 21 | wife | — | Ohio |
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)