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Frank Arnold — 1940 US Census Record
Model Tree available1940 United States Federal Census · Shelby-County, Illinois
Our Model Tree links this Frank Arnold across the 1920, 1930 and 1940 US Censuses in Shelby-County, Illinois (XGBoost, ~Confirmed), with identified parents Fred & Anna — first a head (b.~1902), then head of a 4-person household.
Age 38
b. ~1902
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Shelby-County, Illinois |
| Surname | Arnold |
| Given Name | Frank |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Shelby |
| Additional Details | |
| Occupation | farmer |
| Industry | farm |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Farmer |
| Township / Ward | Holland |
| Est. Birth Year | ~1902 |
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 1940 census.
| Name | Relation to head | Relative to Frank | Age | Birth yr |
|---|---|---|---|---|
| Wayne Arnold | Son | — | 7 | ~1933 |
| Wanda Arnold | Daughter | — | 5 | ~1935 |
| Frank Arnold | Head | — | 38 | ~1902 |
| Florence Arnold | Spouse | — | 34 | ~1906 |
Census Appearances
1920
Shelby, Illinois
Son, age 17
Shelby, Illinois · implied b. ~1903 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Arnold |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Shelby, Illinois
Son, age 27
Shelby, Illinois · implied b. ~1903 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Arnold |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Farmer |
| Industry | General farm |
| Class of Worker | O |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Shelby-County, Illinois
Head, age 38
Shelby-County, Illinois · implied b. ~1902 — 4 household members
| Surname | Arnold |
| Given Name | Frank |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Shelby |
| Occupation | farmer |
| Industry | farm |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Illinois |
| 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 Frank Arnold across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Fred Arnold (~0.92 confidence) and mother Anna Arnold (~0.92 confidence) and mother Anna Arnold (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Fred Arnold
b. ~1865
Source father
● Household
· direct · ~0.92
Mother
Anna Arnold
b. ~1870
Source mother
● Household
· direct · ~0.92
Mother
Anna Arnold
b. ~1876
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Frank Arnold
Head · 1940 · age 38 · b. ~1902 · 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 — Shelby-County, Illinois
Open full size
1940 US Federal Census — Shelby-County, Illinois
Page Contents
23 people indexed on this census page (nara:1940:m-t0627-00890-00193)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Jurdy Sloan | 32 | Wife | — | Illinois |
| 42 | Verdie Sloan | 23 | Son | Labour | Illinois |
| 43 | Blanch Sloan | 21 | Wife | — | Illinois |
| 44 | Clarence Ponsler | 49 | Head | Teacher | Illinois |
| 45 | Mary O Ponsler | 46 | Wife | — | Illinois |
| 46 | Marvin Ponsler | 22 | Son | Labour | Illinois |
| 47 | Ira H. Hubbart | 71 | Head | Farmer | Illinois |
| 48 | Ira Williams | 48 | Head | Labour | Illinois |
| 49 | Mamie Williams | 41 | Wife | — | Illinois |
| 50 | Hubert Williams | 19 | Son | Truck Driver | Illinois |
| 51 | May Williams | 18 | Daughter | — | Illinois |
| 52 | Bernard Williams | 12 | Son | — | Illinois |
| 53 | Darlene Williams | 5 | Daughter | — | Illinois |
| 54 | Edgar Marsh | 65 | Head | — | — |
| 55 | Florence Marsh | 65 | Wife | — | — |
| 56 | Verna Marsh | 40 | Daughter | — | — |
| 57 | Ethel Marsh | 36 | Daughter | — | — |
| 58 | Dorothy Brown | 32 | Daughter | — | — |
| 59 | Cecil Marsh | 2 | Grandson | — | — |
| 60 | Frank Arnold THIS PERSON | 38 | Head | Farmer | Illinois |
| 61 | Florence Arnold | 34 | Wife | — | Illinois |
| 62 | Wayne Arnold | 7 | Son | — | Illinois |
| 63 | Wanda Kay Arnold | 5 | Daughter | — | Illinois |
Pedigree Summary
Frank
Gen 1 · 3 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)