HP
Harry Peterson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Jackson-County, Missouri
Our Model Tree links this Harry Peterson across the 1920, 1930 and 1940 US Censuses in Jackson-County, Missouri (XGBoost, ~Confirmed), with identified parents Oscar & Oscar — first a son (b.~1919), then head of a 5-person household.
Age 21
b. ~1919
Male
Son
Born: Missouri
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Jackson-County, Missouri |
| Surname | Peterson |
| Given Name | Harry E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Kansas City |
| 1935 Residence (County) | Jackson |
| Additional Details | |
| Occupation | Salesman |
| Industry | Retail Grocery |
| Class of Worker | PW |
| Hours Worked | 32 |
| Income (1939) | 205 |
| Highest Grade | H-4 |
| 1935 Residence | Same Place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Occupation | Salesman |
| Township / Ward | Kansas City |
| Est. Birth Year | ~1919 |
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 Harry | Age | Birth yr |
|---|---|---|---|---|
| Ray Peterson | Son | — | 24 | ~1916 |
| Harry Peterson | Son | — | 21 | ~1919 |
| Ingeborg Peterson | Spouse | — | 49 | ~1891 |
| Robert Peterson | Son | — | 8 | ~1932 |
| Oscar Peterson | Head | — | 50 | ~1890 |
Census Appearances
1920
Jackson, Missouri
Son, age 1
Jackson, Missouri · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Petterson |
| Given Name | Harry Edward |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Mother Tongue | Swedish |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1930
Jackson, Missouri
Son, age 11
Jackson, Missouri · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Harry E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Jackson-County, Missouri
Son, age 21
Jackson-County, Missouri · implied b. ~1919 — 5 household members
| Surname | Peterson |
| Given Name | Harry E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Kansas City |
| 1935 Residence (County) | Jackson |
| Occupation | Salesman |
| Industry | Retail Grocery |
| Class of Worker | PW |
| Hours Worked | 32 |
| Income (1939) | 205 |
| Highest Grade | H-4 |
| 1935 Residence | Same Place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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 Harry Peterson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Oscar Peterson (~0.92 confidence) and father Oscar Peterson (~0.92 confidence) and mother Ingeborg Peterson (~0.92 confidence) and father Oscar Petterson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Oscar Peterson
b. ~1890
Source father
● Household
· direct · ~0.92
Father
Oscar Peterson
b. ~1890
Source father
● Household
· direct · ~0.92
Mother
Ingeborg Peterson
b. ~1891
Source mother
● Household
· direct · ~0.92
Father
Oscar Petterson
b. ~1891
Source father
● Household
· direct · ~0.92
This person
Anchor record
Harry Peterson
Son · 1940 · age 21 · b. ~1919 · Missouri
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Sibling
Robert Peterson
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ray Peterson
Sibling · 1940 · age 24
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 — Jackson-County, Missouri
Open full size
1940 US Federal Census — Jackson-County, Missouri
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02171-00302)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Kenneth L Dando | 37 | Head | Asst. Parts Manager | Missouri |
| 2 | Virginia F Dando | 33 | Wife | — | Missouri |
| 3 | Donald Dando | 3 | Son | — | Missouri |
| 4 | George C Dando | 40 | Brother | Carpenter | Missouri |
| 5 | Eric H Bennett | 37 | Head | Clerk | South Dakota |
| 6 | Anna S Bennett | 22 | Wife | — | Kansas |
| 7 | William Bennett | 3 | Son | — | Missouri |
| 8 | Eric R Bennett | 0 | Son | — | Missouri |
| 9 | Oscar E Peterson | 50 | Head | Carpenter | Sweden |
| 10 | Ingeborg Peterson | 49 | Wife | — | Sweden |
| 11 | Ray O Peterson | 24 | Son | Counter Clerk | Missouri |
| 12 | Harry E Peterson THIS PERSON | 21 | Son | Salesman | Missouri |
| 13 | Robert E Peterson | 8 | Son | — | Missouri |
| 14 | Edwin Ahlstrom | 53 | Head | Tool Maker | Sweden |
| 15 | Thelma S Ahlstrom | 53 | Wife | — | Kansas |
| 16 | Clyde Acre | 40 | Head | Manager | Indiana |
| 17 | Betty Elizabeth Acre | 37 | Wife | Stenographer | Kansas |
| 18 | Dorothy Thomas Acre | 13 | Daughter | — | Missouri |
| 19 | James Acre | 7 | Son | — | Missouri |
| 20 | Thomas E O'Connell | 54 | Housekeeper | Housekeeper | Nebraska |
| 21 | Clyde H Mcnamee | 47 | Head | Proprietor | Illinois |
| 22 | Nora Mcnamee | 42 | Wife | — | Missouri |
| 23 | Clyde H Jr Mcnamee | 19 | Son | Automobile Mechanic | Missouri |
| 24 | Leona M Mcnamee | 16 | Daughter | — | Kansas |
| 25 | Roger D Merrill | 23 | Head | Used Car Salesman | Kansas |
| 26 | Eleanor G Merrill | 23 | Wife | — | Missouri |
| 27 | Sue Ellen Merrill | 2 | Daughter | — | Missouri |
| 28 | Clara Belle Reed | 51 | Head | — | New York |
| 29 | Mary Wilson | 90 | Lodger | — | Kentucky |
| 30 | James G Sartin | 42 | Lodger | Machine Operator | Missouri |
| 31 | Fine Cora Sartin | 30 | Black | — | — |
| 32 | Carl E Lundell | 35 | Head | Carpenter | Missouri |
| 33 | Mary K Lundell | 25 | Wife | — | Missouri |
| 34 | Leonard G Larson | 46 | Head | Clergyman | Minnesota |
| 35 | Alice N Larson | 46 | Wife | — | Iowa |
| 36 | Nathaniel Larson | 18 | Son | Soda Clerk | China |
| 37 | Warren Larson | 16 | Son | — | China |
| 38 | Muriel Larson | 14 | Daughter | — | China |
| 39 | Phyllis L Larson | 12 | Daughter | — | Nebraska |
| 40 | Eugene Larson | 10 | Son | — | Nebraska |
Pedigree Summary
Harry + 2 siblings
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 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)