HP
Harold Peterson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Pulaski-County, Indiana
Our Model Tree links this Harold Peterson across the 1920, 1930 and 1940 US Censuses in Pulaski-County, Indiana (XGBoost, ~Confirmed), with identified parents George & George — first a son (b.~1920), then head of a 5-person household.
Age 20
b. ~1920
Male
Son
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Pulaski-County, Indiana |
| Surname | Peterson |
| Given Name | Harold K. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Tippecanoe Twp |
| 1935 Residence (County) | Pulaski |
| Additional Details | |
| Occupation | Farm laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 55 |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Farm Laborer |
| Township / Ward | Tippecanoe Twp |
| Est. Birth Year | ~1920 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Harold | Age | Birth yr |
|---|---|---|---|---|
| Donald Peterson | Son | — | 18 | ~1922 |
| Amos Peterson | Son | — | 16 | ~1924 |
| Clara Peterson | Spouse | — | 42 | ~1898 |
| George Peterson | Head | — | 47 | ~1893 |
| Harold Peterson | Son | — | 20 | ~1920 |
Census Appearances
1920
Pulaski, Indiana
Son, age
Pulaski, Indiana · implied b. ~1920 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Illinois |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Pulaski, Indiana
Son, age 10
Pulaski, Indiana · implied b. ~1920 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Petterson |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Pulaski-County, Indiana
Son, age 20
Pulaski-County, Indiana · implied b. ~1920 — 5 household members
| Surname | Peterson |
| Given Name | Harold K. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Tippecanoe Twp |
| 1935 Residence (County) | Pulaski |
| Occupation | Farm laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 55 |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 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 Harold Peterson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father George Petterson (~0.92 confidence) and father George Peterson (~0.92 confidence) and mother Alta Peterson (~0.92 confidence) and mother Clara Peterson (~0.92 confidence) and mother Olie Petterson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
George Petterson
b. ~1893
Source father
● Household
· direct · ~0.92
Father
George Peterson
b. ~1893
Source father
● Household
· direct · ~0.92
Mother
Alta Peterson
b. ~1897
Source mother
● Household
· direct · ~0.92
Mother
Clara Peterson
b. ~1898
Source mother
● Household
· direct · ~0.92
Mother
Olie Petterson
b. ~1898
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harold Peterson
Son · 1940 · age 20 · b. ~1920 · Indiana
★ You are viewing this record
Sibling
Donald Peterson
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Amos Peterson
Sibling · 1940 · age 16
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 — Pulaski-County, Indiana
Open full size
1940 US Federal Census — Pulaski-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01088-00278)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Bobby Gene Miller | 1 | Son | — | Indiana |
| 2 | Francis Miller | 19 | Brother | Farm Laborer | Indiana |
| 3 | Joseph Rohman | 53 | Head | Farmer | Illinois |
| 4 | Mamie Rohman | 46 | Wife | — | Indiana |
| 5 | Bernice Rohman | 20 | Daughter | — | Indiana |
| 6 | Frank Kaitzer | 62 | Head | Manager | Indiana |
| 7 | Paul Kaitzer | 22 | Son | Farmer | Indiana |
| 8 | John Strand | 42 | Head | Farmer | Illinois |
| 9 | Ella Strand | 45 | Wife | — | Illinois |
| 10 | Lowell Strand | 17 | Son | — | Indiana |
| 11 | Gladys Strand | 15 | Daughter | — | Indiana |
| 12 | Elsie Strand | 10 | Daughter | — | Indiana |
| 13 | Eleanor Strand | 7 | Daughter | — | Indiana |
| 14 | Kathryn Strand | 4 | Daughter | — | Indiana |
| 15 | Frank Housel | 61 | Head | Farmer | Indiana |
| 16 | Theodore Reinholt | 34 | Head | Farmer | Indiana |
| 17 | Hope Reinholt | 29 | Wife | — | Indiana |
| 18 | Richard Reinholt | 11 | Son | — | Indiana |
| 19 | Russell Reinholt | 10 | Son | — | Indiana |
| 20 | Ellen Reinholt | 9 | Daughter | — | Indiana |
| 21 | Ethel Reinholt | 6 | Daughter | — | Indiana |
| 22 | Ladene Reinholt | 2 | Daughter | — | Indiana |
| 23 | Valentine Reinholt | 39 | Head | Farmer | Indiana |
| 24 | Mabel Reinholt | 38 | Wife | — | Indiana |
| 25 | Kathryn Reinholt | 17 | Daughter | — | Indiana |
| 26 | Valentine Jr. Reinholt | 15 | Son | — | Indiana |
| 27 | Elsie Reinholt | 13 | Daughter | — | Indiana |
| 28 | Hubert Reinholt | 11 | Son | — | Indiana |
| 29 | Byron Reinholt | 8 | Son | — | Indiana |
| 30 | David Allen Reinholt | 0 | Son | — | Indiana |
| 31 | George Peterson | 47 | Head | Section Hand | Indiana |
| 32 | Clara Ollie Peterson | 42 | Wife | — | Illinois |
| 33 | Harold K. Peterson THIS PERSON | 20 | Son | Farm Laborer | Indiana |
| 34 | Donald G. Peterson | 18 | Son | — | Indiana |
| 35 | Amos J. Peterson | 16 | Son | — | Indiana |
| 36 | Thomas Reinholt | 25 | Head | Farmer | Indiana |
| 37 | Marguerite Reinholt | 26 | Wife | — | Indiana |
| 38 | Patricia Reinholt | 1 | Daughter | — | Indiana |
| 39 | Anton Faijer | 44 | Head | Farm Laborer | Poland |
| 40 | Justie Peterson | 52 | Head | Carpenter | Indiana |
Pedigree Summary
Harold + 2 siblings
Gen 1 · 5 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)