RN
Ralph Nelson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Henry-County, Illinois
Our Model Tree links this Ralph Nelson across the 1930 and 1940 US Censuses in Henry-County, Illinois (XGBoost, ~Confirmed) — first a son (b.~1928), then head of a 7-person household.
Age 12
b. ~1928
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Henry-County, Illinois |
| Surname | Nelson |
| Given Name | Ralph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Oxford Township |
| 1935 Residence (County) | Henry |
| Additional Details | |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Oxford Township |
| Est. Birth Year | ~1928 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ralph | Age | Birth yr |
|---|---|---|---|---|
| Ralph Nelson | Son | — | 12 | ~1928 |
| Ivan Nelson | Son | — | 18 | ~1922 |
| Dean Nelson | Son | — | 7 | ~1933 |
| Carl Nelson | Son | — | 4 | ~1936 |
| William Nelson | Son | — | 14 | ~1926 |
| William Nelson | Head | — | 45 | ~1895 |
| Edna Nelson | Spouse | — | 44 | ~1896 |
Census Appearances
1930
Henry, Illinois
Son, age 2
Henry, Illinois · implied b. ~1928 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Ralph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read/Write | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Henry-County, Illinois
Son, age 12
Henry-County, Illinois · implied b. ~1928 — 7 household members
| Surname | Nelson |
| Given Name | Ralph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Oxford Township |
| 1935 Residence (County) | Henry |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| 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 Ralph Nelson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Ralph Nelson
Son · 1940 · age 12 · b. ~1928 · Illinois
★ You are viewing this record
Sibling
Carl Nelson
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Nelson
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dean Nelson
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ivan Nelson
Sibling · 1940 · age 18
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 — 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-t0627-00812-00637)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | J. Walter Johnson | 35 | Head | Farm Laborer | Illinois |
| 2 | Hazel Johnson | 34 | Wife | — | Illinois |
| 3 | Norlaine Johnson | 8 | Daughter | — | Illinois |
| 4 | Charles Wiquist | 9 | Step-son | — | Illinois |
| 5 | Marilyn Wiquist | 4 | Step-daughter | — | Illinois |
| 6 | William T. Nelson | 45 | Head | Farmer | Sweden |
| 7 | Edna Nelson | 44 | Wife | — | Illinois |
| 8 | Ivan Nelson | 18 | Son | Farm Laborer | Illinois |
| 9 | William Jr. Nelson | 14 | Son | — | Illinois |
| 10 | Ralph Nelson THIS PERSON | 12 | Son | — | Illinois |
| 11 | Dean Nelson | 7 | Son | — | Illinois |
| 12 | Carl Nelson | 4 | Son | — | Illinois |
| 13 | Loyd Roach | 47 | Head | Farmer | Illinois |
| 14 | Tulip Roach | 51 | Wife | — | Illinois |
| 15 | Richard Roach | 19 | Son | New Worker | Illinois |
| 16 | Russell Roach | 12 | Son | — | Illinois |
| 17 | George Campbell | 60 | Uncle | — | Illinois |
| 18 | Mildred Hunter | 28 | Servant | Servant | Illinois |
| 19 | Elton Mclaughlin | 43 | Head | Farmer | Illinois |
| 20 | Leota Mclaughlin | 42 | Wife | — | Illinois |
| 21 | Charles Mclaughlin | 10 | Son | — | Illinois |
| 22 | Robert Dunlap | 18 | Hiredman | Laborer | Illinois |
| 23 | Lawrence Johnson | 56 | Head | Farmer | Illinois |
| 24 | Alida Johnson | 50 | Wife | — | Illinois |
| 25 | De Wayne Johnson | 24 | Son | Machine Operator | Illinois |
| 26 | Raymond Johnson | 21 | Son | — | Illinois |
| 27 | Vincent Johnson | 14 | Son | — | Illinois |
| 28 | Gloria Johnson | 12 | Daughter | — | Illinois |
| 29 | Verne Bangson | 46 | Hiredman | Hired Man | Illinois |
| 30 | William S. Flack | 28 | Head | Farmer | Illinois |
| 31 | Gladys Flack | 26 | Wife | — | Illinois |
| 32 | Jennie Grace Flack | 4 | Daughter | — | Illinois |
| 33 | Wendell Yerkey | 19 | Hiredman | — | Illinois |
| 34 | Alavid H. Lee | 59 | Head | Farmer | Illinois |
| 35 | Loretta Lee | 52 | Wife | — | Illinois |
| 36 | Harold Lee | 30 | Son | Farm Laborer | Illinois |
| 37 | John Lee | 19 | Son | Farm Worker | Illinois |
| 38 | Genevieve Lee | 15 | Daughter | — | Illinois |
| 39 | Alint Rydeen | 59 | Head | Farmer | Sweden |
| 40 | Anna Rydeen | 56 | Wife | — | Sweden |
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)