RN
Ralph Nelson — 1930 US Census Record
Model Tree available1930 United States Federal Census · Henry, Illinois
Our Model Tree links this Ralph Nelson across the 1910, 1920 and 1930 US Censuses in Henry, Illinois (XGBoost, ~Confirmed), with identified parents Alfred & Wilfred — first a head (b.~1903), then head of a 4-person household.
Age 27
b. ~1903
Male
Head
Born: Illinois
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Henry, Illinois |
| Surname | Nelson |
| Given Name | Ralph F. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 20 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Veteran | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Laborer |
| Township / Ward | Cornwall Township |
| Est. Birth Year | ~1903 |
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.
4 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Ralph | Age | Birth yr |
|---|---|---|---|---|
| Ralph Nelson | Head | — | 27 | ~1903 |
| Dorothy Nelson | Spouse | — | 24 | ~1906 |
| David Nelson | Son | — | 3 | ~1927 |
| Fred Swanson | Other | — | 33 | ~1897 |
Census Appearances
1910
Henry, Illinois
Son, age 8
Henry, Illinois · implied b. ~1902 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Ralph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden-Swedish |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1920
Henry, Illinois
Son, age 18
Henry, Illinois · implied b. ~1902 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Ralph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Illinois |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Henry, Illinois
Head, age 27
Henry, Illinois · implied b. ~1903 — 4 household members
| Surname | Nelson |
| Given Name | Ralph F. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 20 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Illinois |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Veteran | No |
| 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 3 US Census years (1910, 1920 and 1930) in Henry, Illinois, using XGBoost record linkage. Identified parents: father Alfred Nelson (~0.92 confidence) and father Wilfred Nelson (~0.92 confidence) and mother Minnie Nelson (~0.92 confidence) and mother Minnie Nelson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Alfred Nelson
b. ~1876
Source father
● Household
· direct · ~0.92
Father
Wilfred Nelson
b. ~1874
Source father
● Household
· direct · ~0.92
Mother
Minnie Nelson
b. ~1876
Source mother
● Household
· direct · ~0.92
Mother
Minnie Nelson
b. ~1879
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ralph Nelson
Head · 1930 · age 27 · b. ~1903 · Illinois
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Henry, Illinois
Open full size
1930 US Federal Census — Henry, Illinois
Page Contents
50 people indexed on this census page (ia:1930:illinoiscensus00reel519:0195)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Son Gustaf | 11 | Son | — | Illinois |
| 52 | Loretta Gustaf | 9 | Daughter | — | Illinois |
| 53 | Eleanor Gustaf | 6 | Daughter | — | Illinois |
| 54 | Fred L. Leonhart | 40 | Head | Farmer | Illinois |
| 55 | Addie A. Leonhart | 41 | Wife | — | Illinois |
| 56 | Frederick W. Leonhart | 10 | Son | — | Illinois |
| 57 | Clara Larson | 77 | Mother-in-law | — | Sweden |
| 58 | Harry J. Stuart | 19 | Laborer | Laborer | Illinois |
| 59 | Arthur T. Oaly | 23 | Head | Laborer | Missouri |
| 60 | Bernice G. Oaly | 19 | Wife | — | Missouri |
| 61 | Roy Clark | 48 | Head | Laborer | Iowa |
| 62 | Mylia L. Clark | 48 | Wife | — | Iowa |
| 63 | Ralph M. Clark | 16 | Son | Laborer | Illinois |
| 64 | August V. Williams | 36 | Head | Farmer | Holland |
| 65 | Lilly G. Williams | 28 | Wife | — | Illinois |
| 66 | Francis J. Williams | 12 | Son | — | Illinois |
| 67 | Evelyn C. Williams | 10 | Daughter | — | Illinois |
| 68 | Harley Lewis | 37 | Head | Farmer | Illinois |
| 69 | Esther Lewis | 34 | Wife | — | Illinois |
| 70 | Stuart Lewis | 10 | Son | — | Illinois |
| 71 | Vurl Lewis | 9 | Daughter | — | Illinois |
| 72 | Lila Mae Lewis | 2 | Daughter | — | Illinois |
| 73 | Orrin W. Taylor | 70 | Head | Farmer | New York |
| 74 | Lena Paulsen | 59 | Housekeeper | Servant | Iowa |
| 75 | John Van Opdorp | 42 | Head | Farmer | Holland |
| 76 | Alice Van Opdorp | 38 | Wife | — | Illinois |
| 77 | Wilmer P. Van Opdorp | 13 | Son | — | Illinois |
| 78 | Marvin C. Van Opdorp | 11 | Son | — | Illinois |
| 79 | Mary A. Van Opdorp | 1 | Daughter | — | Illinois |
| 80 | Louis F. Van Opdorp | 38 | Head | Farmer | Holland |
| 81 | Agnes M. Van Opdorp | 36 | Wife | — | Illinois |
| 82 | Eugene A. Van Opdorp | 13 | Son | — | Illinois |
| 83 | Ralph F. Nelson THIS PERSON | 27 | Head | Laborer | Illinois |
| 84 | Dorothy B. Nelson | 24 | Wife | — | Illinois |
| 85 | David M. Nelson | 3 | Son | — | Illinois |
| 86 | Fred Swanson | 33 | Laborer | Laborer | Sweden |
| 87 | George H. Engstrom | 51 | Head | Farmer | Illinois |
| 88 | Carrie Engstrom | 76 | Wife | — | Sweden |
| 89 | Christine Matson | 67 | Aunt | — | Sweden |
| 90 | James Matson | 60 | Uncle | Laborer | Illinois |
| 91 | Maurice G. Lewis | 23 | Head | Farmer | Illinois |
| 92 | Pauline M. Lewis | 22 | Wife | — | Illinois |
| 93 | Roberta J. Lewis | 1 | Daughter | — | Illinois |
| 94 | William Kruger | 60 | Laborer | Laborer | Germany |
| 95 | Cyril Claeys | 47 | Head | Farmer | Belgium |
| 96 | Clara Claeys | 37 | Wife | — | Belgium |
| 97 | Irene Claeys | 10 | Daughter | — | Illinois |
| 98 | Elmer C. Claeys | 5 | Son | — | Illinois |
| 99 | Camiel Van Laere | 38 | Head | Farmer | Belgium |
| 100 | Martha Van Laere | 34 | Wife | — | Belgium |
Pedigree Summary
Ralph
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 1930 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)