HP
Harry Peterson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Multnomah-County, Oregon
Our Model Tree links this Harry Peterson across the 1920, 1930 and 1940 US Censuses in Multnomah-County, Oregon (XGBoost, ~Confirmed), with identified parents Mathilda & Chris — first a son (b.~1915), then head of a 3-person household.
Age 25
b. ~1915
Male
Son
Born: Oregon
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Multnomah-County, Oregon |
| Surname | Peterson |
| Given Name | Harry E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Oregon |
| 1935 Residence (City) | Portland (city) |
| 1935 Residence (County) | Multnomah |
| Additional Details | |
| Occupation | Elevator operator |
| Industry | Office building |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 811 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
| Occupation | Elevator Operator |
| Township / Ward | Portland City |
| Est. Birth Year | ~1915 |
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 Harry | Age | Birth yr |
|---|---|---|---|---|
| Harry Peterson | Son | — | 25 | ~1915 |
| Chris Peterson | Head | — | 57 | ~1883 |
| Mathilda Peterson | Spouse | — | 59 | ~1881 |
Census Appearances
1920
Multnomah, Oregon
Son, age 5
Multnomah, Oregon · implied b. ~1915 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Petterson |
| Given Name | Harry L |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Oregon |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Wisconsin |
| Occupation | none |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
1930
Multnomah, Oregon
Son, age 15
Multnomah, Oregon · implied b. ~1915 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Harry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Oregon |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Wisconsin |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
1940
Multnomah-County, Oregon
Son, age 25
Multnomah-County, Oregon · implied b. ~1915 — 3 household members
| Surname | Peterson |
| Given Name | Harry E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Oregon |
| 1935 Residence (City) | Portland (city) |
| 1935 Residence (County) | Multnomah |
| Occupation | Elevator operator |
| Industry | Office building |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 811 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
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: mother Mathilda Peterson (~0.92 confidence) and father Chris Peterson (~0.92 confidence) and mother Anna Petterson (~0.92 confidence) and mother Anna Peterson (~0.92 confidence) and father Ben Peterson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Mathilda Peterson
b. ~1881
Source mother
● Household
· direct · ~0.92
Father
Chris Peterson
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Anna Petterson
b. ~1886
Source mother
● Household
· direct · ~0.92
Mother
Anna Peterson
b. ~1886
Source mother
● Household
· direct · ~0.92
Father
Ben Peterson
b. ~1886
Source father
● Household
· direct · ~0.92
This person
Anchor record
Harry Peterson
Son · 1940 · age 25 · b. ~1915 · Oregon
★ 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 — Multnomah-County, Oregon
Open full size
1940 US Federal Census — Multnomah-County, Oregon
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-03391-00626)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Chris C Peterson | 57 | Head | Lumbering | Denmark |
| 42 | Mathilda Peterson | 59 | Wife | — | Denmark |
| 43 | Harry E Peterson THIS PERSON | 25 | Son | Elevator Operator | Oregon |
| 44 | Thomas F Butts | 55 | Head | Druggist | Oregon |
| 45 | Olive Butts | 27 | Wife | — | Oregon |
| 46 | Roderick Butts | 0 | Son | — | Oregon |
| 48 | Leslie Hollingstead | 36 | Head | Auditor | Wisconsin |
| 49 | Vera A Hollingstead | 32 | Wife | — | Washington |
| 50 | Warren L Hollingstead | 2 | Son | — | Oregon |
| 51 | William Rueppell | 33 | Head | Druggist | Oregon |
| 52 | Crystal Rueppell | 30 | Wife | Druggist | Wisconsin |
| 53 | Donald Rueppell | 5 | Son | — | Oregon |
| 54 | Stephen O Banner | 53 | Head | Appliance Salesman | Oregon |
| 55 | Marguerite Banner | 49 | Wife | — | Oregon |
| 56 | Mary Jean Banner | 21 | Daughter | Saleslady | Oregon |
| 57 | Howard G Pearce | 46 | Head | Contractor | Washington |
| 58 | Edwin J Snyder | 48 | Head | Pipe Fitter | Minnesota |
| 59 | Mabel G Snyder | 36 | Wife | — | Minnesota |
| 60 | Emil C Erickson | 57 | Head | Marble Finisher | Sweden |
| 61 | Emma Erickson | 56 | Wife | — | Sweden |
| 62 | Alex M Gill | 40 | Head | Mechanic | Roumania |
| 63 | Marie Gill | 39 | Wife | — | Roumania |
| 64 | Bernice Gill | 19 | Daughter | Knitting | Canada |
| 65 | Albert L Goodale | 52 | Head | Manager | Connecticut |
| 66 | Mary E Goodale | 47 | Wife | — | Maryland |
| 67 | David E Davis | 26 | Son in law | Attendant | Oregon |
| 68 | Katherine A Davis | 27 | Daughter | Stenographer | Maryland |
| 69 | David Kohn | 53 | Head | Repairman | Russia |
| 70 | Elizabeth Kohn | 48 | Wife | — | Russia |
| 71 | Bertha Kohn | 20 | Daughter | — | Nebraska |
| 72 | David Kohn | 25 | Son | Furniture Carpenter | Nebraska |
| 73 | Rachael Kohn | 21 | Daughter | Stock Girl | Nebraska |
| 74 | Horace W Bush | 43 | Head | Floor Manager | Idaho |
| 75 | Jane Bush | 41 | Wife | Assistant Buyer | Michigan |
| 76 | Jacob Heick | 47 | Head | Tailor | Russia |
| 77 | Margaret Heick | 43 | Wife | — | Russia |
| 78 | Harold C Heick | 20 | Son | — | Nebraska |
| 79 | Elenor L Heick | 12 | Daughter | — | Nebraska |
| 80 | Harold Kid | 24 | Boarder | Bookkeeper And Clerk | Oregon |
Pedigree Summary
Harry
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)