FP
Frank Peterson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Porter-County, Indiana
Our Model Tree links this Frank Peterson across the 1920, 1930 and 1940 US Censuses in Porter-County, Indiana (XGBoost, ~Confirmed) — first a head (b.~1880), then head of a 7-person household.
Age 60
b. ~1880
Male
Head
Born: Indiana
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Porter-County, Indiana |
| Surname | Peterson |
| Given Name | Frank E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 60 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Westchester Twp |
| 1935 Residence (County) | Porter |
| Additional Details | |
| Occupation | rail clerk |
| Industry | rail road |
| Class of Worker | PW |
| Hours Worked | 16 |
| Income (1939) | 627 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Rail Clerk |
| Township / Ward | Westchester Twp |
| Est. Birth Year | ~1880 |
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 Frank | Age | Birth yr |
|---|---|---|---|---|
| Grace Peterson | Daughter | — | 20 | ~1920 |
| Marie Peterson | Daughter | — | 24 | ~1916 |
| Frank Peterson | Head | — | 60 | ~1880 |
| Paul Peterson | Son | — | 15 | ~1925 |
| Robert Peterson | Son | — | 26 | ~1914 |
| Ray Peterson | Son | — | 18 | ~1922 |
| Manda Peterson | Spouse | — | 56 | ~1884 |
Census Appearances
1920
Porter, Indiana
Head, age 40
Porter, Indiana · implied b. ~1880 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Frank E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Indiana |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Meat Cutter |
| Industry | Steam Railroad |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Porter, Indiana
Head, age 50
Porter, Indiana · implied b. ~1880 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Frank |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Indiana |
| Age at First Marriage | 23 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Clerk |
| Industry | Railroad |
| Class of Worker | 7X77 |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Veteran | No |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Porter-County, Indiana
Head, age 60
Porter-County, Indiana · implied b. ~1880 — 7 household members
| Surname | Peterson |
| Given Name | Frank E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 60 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Westchester Twp |
| 1935 Residence (County) | Porter |
| Occupation | rail clerk |
| Industry | rail road |
| Class of Worker | PW |
| Hours Worked | 16 |
| Income (1939) | 627 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Frank Peterson
Head · 1940 · age 60 · b. ~1880 · Indiana
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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 — Porter-County, Indiana
Open full size
1940 US Federal Census — Porter-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01086-00817)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Kathrina Wotzke | 78 | Head | — | Poland |
| 42 | Lawrence Hansen | 37 | Head | Auto Mechanic | Indiana |
| 43 | Frances Hansen | 32 | Wife | — | Illinois |
| 44 | Jane Eversback | 18 | Sister-in-law | — | Illinois |
| 45 | Magnus Martenson | 65 | Head | Farmer | Sweden |
| 46 | Marie Martenson | 61 | Wife | — | Sweden |
| 47 | Son Thomas | None | M | Steel Mills | — |
| 48 | Daughter Edell (A.) | None | F | Auto Sales | — |
| 49 | Elvin Clarkson | 36 | Head | Garage Manager | Indiana |
| 50 | Ruth Clarkson | 36 | Wife | — | Illinois |
| 51 | Beverly Clarkson | 9 | Daughter | — | Illinois |
| 52 | Jacqueline Clarkson | 3 | Daughter | — | Illinois |
| 53 | Victor Clarkson | 68 | Head | — | Indiana |
| 54 | Anne O Clarkson | 67 | Wife | — | Indiana |
| 55 | George Mortenson | 37 | Son-in-law | Foreman | Sweden |
| 56 | Edith Mortenson | 33 | Daughter | — | Indiana |
| 57 | Ronald Mortenson | 4 | Grand-son | — | Illinois |
| 58 | Vernon B. Clarkson | 31 | Head | Life Agent & Dairy | Indiana |
| 59 | Evelyn Clarkson | 26 | Wife | Office Secretary | Indiana |
| 60 | Paul Cermak | 35 | Head | Plumber | New Jersey |
| 61 | Florence Cermak | 44 | Wife | Practical Nurse | Indiana |
| 62 | Phillis Jane Cermak | 10 | Daughter | — | Indiana |
| 63 | Paul Ann Cermak | 6 | Son | — | Indiana |
| 64 | Richard B. Cermak | 14 | Step-son | — | Indiana |
| 65 | Carl Wahl | 42 | Head | Crane Man | Indiana |
| 66 | Helen E. Wahl | 33 | Wife | — | Indiana |
| 67 | Frank E. Peterson THIS PERSON | 60 | Head | Rail Clerk | Indiana |
| 68 | Manda Peterson | 56 | Wife | — | Indiana |
| 69 | Robert L. Peterson | 26 | Son | Florist | Indiana |
| 70 | Marie Peterson | 24 | Daughter | Beautician | Indiana |
| 71 | Grace Peterson | 20 | Daughter | Clerk | Indiana |
| 72 | Ray E Peterson | 18 | Son | New Worker | Indiana |
| 73 | Paul Peterson | 15 | Son | — | Indiana |
| 74 | Edward A. Wilson | 76 | Head | President | Pennsylvania |
| 75 | Margaret E. Wilson | 75 | Wife | — | Canada |
| 76 | B. C. Latterie | 29 | Servant | Servant | Oklahoma |
| 77 | Erick H. Carlson | 63 | Head | — | Sweden |
| 78 | Elsa Carlson | 45 | Wife | — | Illinois |
| 79 | Arthur A. Wahl | 52 | Head | — | Indiana |
| 80 | Mildred L. Wahl | 48 | Wife | — | Illinois |
Related Census Records
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)