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Harry Nelson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Trumbull-County, Ohio
Our Model Tree links this Harry Nelson across the 1920, 1930 and 1940 US Censuses in Trumbull-County, Ohio (XGBoost, ~Confirmed), with identified parents M & Magnus — first a son (b.~1907), then head of a 8-person household.
Age 33
b. ~1907
Male
Son
Born: Ohio
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Trumbull-County, Ohio |
| Surname | Nelson |
| Given Name | Harry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Southington |
| 1935 Residence (County) | Trumbull |
| Additional Details | |
| Occupation | farmer |
| Industry | farm |
| Class of Worker | NP |
| Hours Worked | 70 |
| Income (1939) | 1000 |
| Highest Grade | H4 |
| 1935 Residence | Same house |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Farmer |
| Township / Ward | Southington |
| Est. Birth Year | ~1907 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Harry | Age | Birth yr |
|---|---|---|---|---|
| Helen Nelson | Daughter | — | 40 | ~1900 |
| Janet Nelson | Daughter | — | ~1940 | |
| Edith Nelson | Daughter | — | 46 | ~1894 |
| M Nelson | Head | — | 77 | ~1863 |
| Donald Nelson | Other | — | 3 | ~1937 |
| Emma Nelson | Other | — | 27 | ~1913 |
| Harry Nelson | Son | — | 33 | ~1907 |
| Hanna Nelson | Spouse | — | 72 | ~1868 |
Census Appearances
1920
Trumbull, Ohio
Son, age 13
Trumbull, Ohio · implied b. ~1907 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Harry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Trumbull, Ohio
Son, age 22
Trumbull, Ohio · implied b. ~1908 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Harry U |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Heater |
| Industry | Steel Mill |
| Class of Worker | 7724 |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Trumbull-County, Ohio
Son, age 33
Trumbull-County, Ohio · implied b. ~1907 — 8 household members
| Surname | Nelson |
| Given Name | Harry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Southington |
| 1935 Residence (County) | Trumbull |
| Occupation | farmer |
| Industry | farm |
| Class of Worker | NP |
| Hours Worked | 70 |
| Income (1939) | 1000 |
| Highest Grade | H4 |
| 1935 Residence | Same house |
| 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 Harry Nelson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father M Nelson (~0.92 confidence) and father Magnus Nelson (~0.92 confidence) and mother Hanna Nelson (~0.92 confidence) and mother Hannah Nelson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
M Nelson
b. ~1863
Source father
● Household
· direct · ~0.92
Father
Magnus Nelson
b. ~1863
Source father
● Household
· direct · ~0.92
Mother
Hanna Nelson
b. ~1868
Source mother
● Household
· direct · ~0.92
Mother
Hannah Nelson
b. ~1868
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harry Nelson
Son · 1940 · age 33 · b. ~1907 · Ohio
★ You are viewing this record
Sibling
Janet Nelson
Sibling · 1940 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edith Nelson
Sibling · 1940 · age 46
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Nelson
Sibling · 1940 · age 40
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 — Trumbull-County, Ohio
Open full size
1940 US Federal Census — Trumbull-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03158-00616)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Anna Cook | 50 | Wife | — | Ohio |
| 42 | Lottie Cook | 27 | Daughter | Winder | Ohio |
| 43 | Russell Cook | 25 | Son | Winder | Ohio |
| 44 | Annamae Cook | 19 | Daughter | Secretary | Ohio |
| 45 | Daniel D. Miller | 36 | Head | Tank Man | Ohio |
| 46 | Thelma Miller | 36 | Wife | — | Ohio |
| 47 | Dale Miller | 11 | Son | — | Ohio |
| 48 | Eva Miller | 9 | Daughter | — | Ohio |
| 49 | Jane Miller | 3 | Daughter | — | Ohio |
| 50 | Newton Miller | 70 | Head | Farmer | Ohio |
| 51 | Lana Miller | 65 | Wife | — | Ohio |
| 52 | Virginia Miller | 21 | Daughter | Braider | Ohio |
| 53 | Leonard Smith | 13 | Grandson | — | Ohio |
| 54 | Dean Barton | 55 | Head | Filing Clerk | Ohio |
| 55 | Mary Barton | 53 | Wife | — | Ohio |
| 56 | Dean Barton | 14 | Son | — | Ohio |
| 57 | Vincent Warner | 35 | Head | Farmer | Ohio |
| 58 | W. Warner | 30 | Brother | Farmer | Ohio |
| 59 | William Hoffman | 58 | Head | Farmer | Ohio |
| 60 | Dora Hoffman | 30 | Wife | — | Ohio |
| 61 | Dale Doak | 12 | Son | — | Ohio |
| 62 | Lawrence Doak | 35 | Head | Farmer | Ohio |
| 63 | Eva Doak | 60 | Mother | — | Ohio |
| 64 | Ralph Ross | 47 | Head | Tire Builder | Illinois |
| 65 | Lillian Ross | 40 | Wife | — | Illinois |
| 66 | Betty Ross | 17 | Daughter | — | Ohio |
| 67 | Ralph Ross | 15 | Son | — | Ohio |
| 68 | Jennie Olson | 55 | Head | Farmer | Sweden |
| 69 | Arthur Olson | 24 | Son | Braider | Pennsylvania |
| 70 | Jane Olson | 18 | Daughter | — | Pennsylvania |
| 71 | Kenneth Olson | 16 | Son | — | Ohio |
| 72 | M. O. Nelson | 77 | Head | Farmer | Holland |
| 73 | Hanna Nelson | 72 | Wife | — | Sweden |
| 74 | Edith Nelson | 46 | Daughter | Teacher | Pennsylvania |
| 75 | Helen Nelson | 40 | Daughter | Teller | Ohio |
| 76 | Harry Nelson THIS PERSON | 33 | Son | Farmer | Ohio |
| 77 | Emma Nelson | 27 | In-law | — | Pennsylvania |
| 78 | Donald Nelson | 3 | Grandson | — | Ohio |
| 79 | Janet Nelson | 0 | Daughter | — | Ohio |
| 80 | Frank Palechek | 59 | Head | Farmer | Austria |
Pedigree Summary
Harry + 3 siblings
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)