HN
Harold Nelson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Henry-County, Illinois
Our Model Tree links this Harold Nelson across the 1910, 1920, 1930 and 1940 US Censuses in Henry-County, Illinois (XGBoost, ~Confirmed), with identified parents Nels & Christine — first a head (b.~1896), then head of a 5-person household.
Age 44
b. ~1896
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Henry-County, Illinois |
| Surname | Nelson |
| Given Name | Harold |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Galva city |
| 1935 Residence (County) | Henry |
| Additional Details | |
| Occupation | Laborer |
| Industry | WPA Project |
| Class of Worker | GW |
| Hours Worked | 32 |
| Income (1939) | 396 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Laborer |
| Township / Ward | Galva City |
| Est. Birth Year | ~1896 |
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 Harold | Age | Birth yr |
|---|---|---|---|---|
| Helen Nelson | Daughter | — | 14 | ~1926 |
| Dorothy Nelson | Daughter | — | 22 | ~1918 |
| Harold Nelson | Head | — | 44 | ~1896 |
| Everett Nelson | Son | — | 19 | ~1921 |
| Beda Nelson | Spouse | — | 42 | ~1898 |
Census Appearances
1910
Henry, Illinois
Son, age 14
Henry, Illinois · implied b. ~1896 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1920
Henry, Illinois
Head, age 25
Henry, Illinois · implied b. ~1895 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Harold L. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Illinois |
| Occupation | Farmer |
| Industry | gen. fm. |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Henry, Illinois
Head, age 35
Henry, Illinois · implied b. ~1895 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Harold L. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 23 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Illinois |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Veteran | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Henry-County, Illinois
Head, age 44
Henry-County, Illinois · implied b. ~1896 — 5 household members
| Surname | Nelson |
| Given Name | Harold |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Galva city |
| 1935 Residence (County) | Henry |
| Occupation | Laborer |
| Industry | WPA Project |
| Class of Worker | GW |
| Hours Worked | 32 |
| Income (1939) | 396 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| 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 Harold Nelson across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Nels Nelson (~0.92 confidence) and mother Christine Nelson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Nels Nelson
b. ~1866
Source father
● Household
· direct · ~0.92
Mother
Christine Nelson
b. ~1868
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harold Nelson
Head · 1940 · age 44 · b. ~1896 · 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 — Henry-County, Illinois
Open full size
1940 US Federal Census — Henry-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00811-00629)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Frank O. Swanson | 57 | Head | Janitor | Illinois |
| 2 | Hattie Swanson | 48 | Wife | — | Iowa |
| 3 | Leroy Swanson | 14 | Son | — | Illinois |
| 4 | John O. Nordeen | 64 | Lodger | Egg Candler | Illinois |
| 5 | William Bessine | 60 | Head | Salesman | Illinois |
| 6 | Hulda O. Bessine | 63 | Wife | — | Illinois |
| 7 | Willard Bessine | 31 | Son | Welder | Illinois |
| 8 | Madeline Bessine | 28 | Daughter-in-law | Saleslady | Illinois |
| 9 | Willard, Jr. Bessine | 11 | Grandson | — | Illinois |
| 10 | John O. May | 62 | Head | Operator | Illinois |
| 11 | Della May | 60 | Wife | — | Illinois |
| 12 | Romanos May | 69 | Brother | — | Illinois |
| 13 | Carl Almgren | 59 | Lodger | Laborer | Sweden |
| 14 | E. Fred Ericson | 68 | Head | — | Sweden |
| 15 | Adolfina Ericson | 70 | Wife | — | Sweden |
| 16 | Esther O. Buchanan | 42 | Daughter | — | Sweden |
| 17 | Leta Buchanan | 15 | Granddaughter | — | Illinois |
| 18 | Caroline Buchanan | 2 | Granddaughter | — | Illinois |
| 19 | Glenn Lee | 43 | Head | Salesman | Illinois |
| 20 | Dorothy O. Lee | 29 | Wife | Saleslady | Illinois |
| 21 | Robert Lee | 9 | Son | — | Illinois |
| 22 | Forrest Barlow | 66 | Head | Retired Farmer | Illinois |
| 23 | Nellie O. Barlow | 65 | Wife | — | Illinois |
| 24 | Elmer L. Anderson | 56 | Head | Machinist | Illinois |
| 25 | Joe Palansky | 42 | Head | Repair Man | Iowa |
| 26 | Sadie O. Palansky | 38 | Wife | — | Illinois |
| 27 | Dorothy Palansky | 17 | Daughter | Maid | Illinois |
| 28 | Helen Palansky | 14 | Daughter | — | Illinois |
| 29 | Irene Palansky | 12 | Daughter | — | Illinois |
| 30 | Albert Willis | 37 | Head | Laborer | Illinois |
| 31 | Vivian O. Willis | 30 | Wife | — | Iowa |
| 32 | Joyce Willis | 4 | Daughter | — | Illinois |
| 33 | Audrey Willis | 3 | Daughter | — | Illinois |
| 34 | John Brooks | 70 | Head | — | Illinois |
| 35 | Maggie O. Brooks | 60 | Wife | — | Iowa |
| 36 | Harold Nelson THIS PERSON | 44 | Head | Laborer | Illinois |
| 37 | Beda O. Nelson | 42 | Wife | — | Nebraska |
| 38 | Dorothy Nelson | 22 | Daughter | — | Illinois |
| 39 | Everett Nelson | 19 | Son | School Student | Illinois |
| 40 | Helen Nelson | 14 | Daughter | — | Illinois |
Pedigree Summary
Harold
Gen 1 · 2 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)