FP
Frank Peterson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Henry-County, Illinois
Our Model Tree links this Frank Peterson across the 1910, 1920, 1930 and 1940 US Censuses in Henry-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1886), then head of a 3-person household.
Age 54
b. ~1886
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Henry-County, Illinois |
| Surname | Peterson |
| Given Name | Frank A |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Henry |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | E |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | No 5 |
| 1935 Residence | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Farmer |
| Township / Ward | Phenix Township |
| Est. Birth Year | ~1886 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Frank | Age | Birth yr |
|---|---|---|---|---|
| Caroline Peterson | Daughter | — | 27 | ~1913 |
| Frank Peterson | Head | — | 54 | ~1886 |
| Howard Peterson | Son | — | 17 | ~1923 |
Census Appearances
1910
Henry, Illinois
Head, age 25
Henry, Illinois · implied b. ~1885 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Frank A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Illinois |
| Years Married | 3 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Laborer |
| Industry | Odd Jobs |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1920
Henry, Illinois
Head, age 34
Henry, Illinois · implied b. ~1886 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Frank |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Farmer |
| Industry | General Farm |
| 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 44
Henry, Illinois · implied b. ~1886 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Frank |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 21 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Farmer |
| Industry | General farming |
| Class of Worker | VV |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Radio Set | R |
| Veteran | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Henry-County, Illinois
Head, age 54
Henry-County, Illinois · implied b. ~1886 — 3 household members
| Surname | Peterson |
| Given Name | Frank A |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Henry |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | E |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | No 5 |
| 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 Peterson across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Frank Peterson
Head · 1940 · age 54 · b. ~1886 · Illinois
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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-t0627-00812-00648)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Gladys Nelson | 37 | wife | Housewife | Illinois |
| 2 | Kathleen M Nelson | 8 | daughter | — | Illinois |
| 3 | Frank A Peterson THIS PERSON | 54 | Head | Farmer | Illinois |
| 4 | Caroline L Peterson | 27 | daughter | Housewife | Illinois |
| 5 | Howard H Peterson | 17 | son | Laborer | Illinois |
| 6 | Ernest Bliss | 56 | Head | Farmer | Sweden |
| 7 | Gertie V Bliss | 41 | wife | Housewife | Sweden |
| 8 | Cecil E Lundell | 17 | son | Laborer | Illinois |
| 9 | Fern M Lundell | 15 | daughter | Housewife | Illinois |
| 10 | Lyle L Kembel | 25 | Head | Farmer | Illinois |
| 11 | Evelyn A Kembel | 21 | wife | Housewife | Illinois |
| 12 | Edward Hinckley Palfleet | 22 | Hired hand | Laborer | Illinois |
| 13 | Howard Darin | 40 | Head | Farmer | Illinois |
| 14 | Lillian R Darin | 38 | wife | Housewife | Illinois |
| 15 | Kenneth H Darin | 10 | son | — | Illinois |
| 16 | John J Darin | 42 | brother | Laborer | Illinois |
| 17 | L Shipendra | 57 | Head | Farmer | Illinois |
| 18 | Estelle M Shipendra | 57 | wife | Housewife | Illinois |
| 19 | Dale W Shipendra | 24 | son | — | Illinois |
| 20 | Arthur J Shipendra | 22 | son | Laborer | Illinois |
| 21 | Chester J Lauderbaugh | 58 | Head | Farmer | Illinois |
| 22 | Frank E Lauderbaugh | 52 | wife | Housewife | Illinois |
| 23 | Lois V Lauderbaugh | 30 | daughter | Dressmaker | Illinois |
| 24 | Emerson D Lauderbaugh | 28 | son | Laborer | Illinois |
| 25 | Fred E Hayes | 46 | Head | Farmer | Ohio |
| 26 | Eleanor M Hayes | 42 | wife | Housewife | Illinois |
| 27 | Ernest E Hayes | 17 | son | — | Illinois |
| 28 | Richard D Hayes | 15 | son | — | Illinois |
| 29 | Robert K Hayes | 11 | son | — | Illinois |
| 30 | Herman S Matthews | 68 | Head | Farmer | Illinois |
| 31 | Clara M Matthews | 62 | wife | Housewife | Illinois |
| 32 | Howard E Matthews | 35 | son | Parcel Post Carrier | Illinois |
| 33 | Doris D Matthews | 23 | daughter | Teacher | Illinois |
| 34 | Grace M Matthews | 22 | daughter | Housewife | Illinois |
| 35 | Lester G Matthews | 20 | son | Laborer | Illinois |
| 36 | Vincent C Weber | 25 | Head | Farmer | Illinois |
| 37 | Vilma B Weber | 26 | wife | Housewife | Illinois |
| 38 | Stanley Treiber | 19 | Hired hand | Laborer | Illinois |
| 39 | Frank G Nelson | 57 | Head | Farmer | Illinois |
| 40 | Lillie E Nelson | 57 | wife | Housewife | Illinois |
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)