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Oscar Peterson — 1920 US Census Record
Model Tree available1920 United States Federal Census · Suffolk, Massachusetts
Our Model Tree links this Oscar Peterson across the 1920, 1930 and 1940 US Censuses in Suffolk, Massachusetts (XGBoost, ~Confirmed), with identified parents Helga & Oscar — first a son (b.~1915), then head of a 6-person household.
Age 5
b. ~1915
Male
Son
Born: Massachusetts
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Suffolk, Massachusetts |
| Surname | Peterson |
| Given Name | Oscar R |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Additional Details | |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Boston 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.
6 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Oscar | Age | Birth yr |
|---|---|---|---|---|
| Helen Peterson | Daughter | — | 7 | ~1913 |
| Oscar Peterson | Head | — | 32 | ~1888 |
| Oscar Peterson | Son | — | 5 | ~1915 |
| Edward Peterson | Son | — | 2 | ~1918 |
| William Peterson | Son | — | 7 | ~1913 |
| Helga Peterson | Spouse | — | 33 | ~1887 |
Census Appearances
1920
Suffolk, Massachusetts
Son, age 5
Suffolk, Massachusetts · implied b. ~1915 — 6 household members
| Surname | Peterson |
| Given Name | Oscar R |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Son, age 15
Middlesex, Massachusetts · implied b. ~1915 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Petterson |
| Given Name | Oscar R |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Other, age 25
Middlesex-County, Massachusetts · implied b. ~1915 — 40 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Patterson |
| Given Name | Oscar W. |
| Relationship to Head | Private |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Middleboro |
| 1935 Residence (County) | Middlesex |
| Occupation | Soldier |
| Industry | U.S. Army |
| Class of Worker | R |
| Hours Worked | 42 |
| Income (1939) | 608 |
| Highest Grade | Hs 4 |
| 1935 Residence | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
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 Oscar Peterson across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: mother Helga Peterson (~0.92 confidence) and father Oscar Petterson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Helga Peterson
b. ~1887
Source mother
● Household
· direct · ~0.92
Father
Oscar Petterson
b. ~1888
Source father
● Household
· direct · ~0.92
This person
Anchor record
Oscar Peterson
Son · 1920 · age 5 · b. ~1915 · Massachusetts
★ You are viewing this record
Sibling
Helen Peterson
Sibling · 1920 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Peterson
Sibling · 1920 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Peterson
Sibling · 1920 · age 2
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
1920 US Federal Census — Suffolk, Massachusetts
Open full size
1920 US Federal Census — Suffolk, Massachusetts
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu739unit:0469)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Lillian G Rolfe | 37 | wife | — | Massachusetts |
| 2 | Alice G Hagan | 15 | stepdaughter | — | Massachusetts |
| 3 | Vernon Hagan | 13 | stepson | — | Massachusetts |
| 4 | Frank P Nowlan | 28 | head | Manager | Massachusetts |
| 5 | Elizabeth M Nowlan | 29 | wife | — | Massachusetts |
| 6 | Margaret M Nowlan | 12 | daughter | — | Massachusetts |
| 7 | Francis G Nowlan | 7 | son | — | Massachusetts |
| 8 | Edward G Nowlan | 5 | son | — | Massachusetts |
| 9 | Gertrude E Nowlan | 5 | daughter | — | Massachusetts |
| 10 | James W Nowlan | 3 | son | — | Massachusetts |
| 11 | Charles H Gay | 52 | head | Plumber | Maine |
| 12 | Sarah Gay | 51 | wife | — | England |
| 13 | Mabel A Gay | 17 | daughter | Nurse | Massachusetts |
| 14 | Sadie H Gay | 16 | daughter | — | Massachusetts |
| 15 | Charles H Gay | 12 | son | — | Massachusetts |
| 16 | Edward F Ford | 32 | head | Helper | Maine |
| 17 | Margaret M Ford | 34 | wife | — | Massachusetts |
| 18 | William Halpin | 31 | brother-in-law | Moulder | Massachusetts |
| 19 | Oscar B Peterson | 32 | head | Carpenter | Sweden |
| 20 | Helga H Peterson | 33 | wife | — | Sweden |
| 21 | William B Peterson | 7 | son | — | Massachusetts |
| 22 | Helen M Peterson | 7 | daughter | — | Massachusetts |
| 23 | Oscar R Peterson THIS PERSON | 5 | son | — | Massachusetts |
| 24 | Edward S Peterson | 2 | son | — | Massachusetts |
| 25 | William F Chase | 52 | head | Teamster | Massachusetts |
| 26 | Mary J Chase | 52 | wife | — | Ireland |
| 27 | William F Chase | 25 | son | Helper | Massachusetts |
| 28 | Harold E Chase | 21 | son | Wood Turner | Massachusetts |
| 29 | Mary E Chase | 18 | daughter | Clerk | Massachusetts |
| 30 | Ruth G Chase | 17 | daughter | Stenographer | Massachusetts |
| 31 | William J Chase | 14 | son | — | Massachusetts |
| 32 | Clarence Ferguson | 50 | head | Salesman | Canada |
| 33 | Eva J Ferguson | 34 | wife | — | Massachusetts |
| 34 | Mary J Ferguson | 72 | mother | — | Canada |
| 35 | John J Williams | 40 | head | Owner | Pennsylvania |
| 36 | Amelia Williams | 40 | wife | — | Canada |
| 37 | Harold J Williams | 16 | son | Apprentice | Massachusetts |
| 38 | Frank Williams | 14 | son | — | Massachusetts |
| 39 | Lawrence Williams | 12 | son | — | Massachusetts |
| 40 | Margaret Williams | 11 | daughter | — | Massachusetts |
| 41 | Martin Flaherty | 40 | head | Boiler Maker | Ireland |
| 42 | Annie M Flaherty | 43 | wife | — | Ireland |
| 43 | Annie M Flaherty | 10 | daughter | — | Massachusetts |
| 44 | Rose Anderson | 34 | head | Stitcher | Massachusetts |
| 45 | Earl Anderson | 11 | son | — | New York |
| 46 | Thomas Deane | 50 | head | Carpenter | Canada |
| 47 | Sarah A Deane | 44 | wife | — | Canada |
| 48 | Thomas J Deane | 21 | son | Carpenter | Massachusetts |
| 49 | Flora A Deane | 19 | daughter | Cashier | Massachusetts |
| 50 | John L Deane | 17 | son | Stable Hand | Massachusetts |
Pedigree Summary
Oscar + 3 siblings
Gen 1 · 2 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)