JP
Joseph Peterson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Worcester-County, Massachusetts
Our Model Tree links this Joseph Peterson across the 1920, 1930 and 1940 US Censuses in Worcester-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Alice & Alice — first a head (b.~1913), then head of a 3-person household.
Age 27
b. ~1913
Male
Head
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Worcester-County, Massachusetts |
| Surname | Peterson |
| Given Name | Joseph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Worcester |
| 1935 Residence (County) | Worcester |
| Additional Details | |
| Occupation | Heat Treater |
| Industry | Steel Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1821 |
| Highest Grade | H-1 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Heat Treater |
| Township / Ward | Worcester |
| Est. Birth Year | ~1913 |
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 Joseph | Age | Birth yr |
|---|---|---|---|---|
| Anne Peterson | Spouse | — | 23 | ~1917 |
| Joseph Peterson | Head | — | 27 | ~1913 |
| Joan Peterson | Daughter | — | 3 | ~1937 |
Census Appearances
1920
Worcester, Massachusetts
Son, age 5
Worcester, Massachusetts · implied b. ~1915 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Worcester, Massachusetts
Son, age 16
Worcester, Massachusetts · implied b. ~1914 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Errand Boy |
| Industry | Office |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Worcester-County, Massachusetts
Head, age 27
Worcester-County, Massachusetts · implied b. ~1913 — 3 household members
| Surname | Peterson |
| Given Name | Joseph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Worcester |
| 1935 Residence (County) | Worcester |
| Occupation | Heat Treater |
| Industry | Steel Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1821 |
| Highest Grade | H-1 |
| 1935 Residence | Same place |
| 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 Joseph Peterson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Alice Peterson (~0.92 confidence) and mother Alice Peterson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Alice Peterson
b. ~1893
Source mother
● Household
· direct · ~0.92
Mother
Alice Peterson
b. ~1894
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Joseph Peterson
Head · 1940 · age 27 · b. ~1913 · Massachusetts
★ 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 — Worcester-County, Massachusetts
Open full size
1940 US Federal Census — Worcester-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01716-00541)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Julia Winkiewicz | 22 | Wife | — | Massachusetts |
| 42 | Frances Winkiewicz | 2 | Daughter | — | Massachusetts |
| 43 | Dambroskas Felix Winkiewicz | 55 | Father-in-law | Painter | Lithuania |
| 44 | Thomas P. Fannon | 20 | Head | Machinist | Scotland |
| 45 | Mary Fannon | 21 | Wife | — | Northern Ireland |
| 46 | Joseph Peterson THIS PERSON | 27 | Head | Heat Treater | Massachusetts |
| 47 | Anne Peterson | 23 | Wife | — | Massachusetts |
| 48 | Joan Peterson | 3 | Daughter | — | Massachusetts |
| 49 | John Radziemski | 54 | Head | Laborer | Poland |
| 50 | Mary Radziemski | 54 | Wife | — | Poland |
| 51 | Helen Radziemski | 28 | Daughter | New Worker | Maine |
| 52 | Stephen Radziemski | 20 | Son | Electrician | Massachusetts |
| 53 | Statia Radziemski | 17 | Daughter | — | Massachusetts |
| 54 | Alfreda Radziemski | 14 | Daughter | — | Massachusetts |
| 55 | John Ryngiewicz | 54 | Head | Laborer | Russia |
| 56 | Eva Ryngiewicz | 54 | Wife | — | Russia |
| 57 | William Ryngiewicz | 21 | Son | Laborer | Massachusetts |
| 58 | Anthony Ryngiewicz | 15 | Son | Pin Boy | Massachusetts |
| 59 | Julia Ryngiewicz | 12 | Daughter | — | Massachusetts |
| 60 | John Grzyb | 25 | Head | Polisher | Poland |
| 61 | Helen Grzyb | 59 | Head | — | Lithuania |
| 62 | Anna Grzyb | 23 | Daughter | Stitcher | Massachusetts |
| 63 | Helen Grzyb | 20 | Daughter | Topper | Massachusetts |
| 64 | Jane Grzyb | 16 | Daughter | — | Massachusetts |
| 65 | Engelbert Lukasiwicz | 26 | Son-in-law | Laborer | Massachusetts |
| 66 | Hedwig Lukasiwicz | 26 | Daughter | — | Massachusetts |
| 67 | John Lukasiwicz | 0 | Son | — | Massachusetts |
| 68 | Joseph Remeika | 28 | Head | Counterman | Massachusetts |
| 69 | Mary Remeika | 25 | Wife | Press Operator | New Hampshire |
| 70 | Robert Remeika | 3 | Son | — | Massachusetts |
| 71 | Michael Rossik | 45 | Head | Wiredrawer | Poland |
| 72 | Mary Rossik | 42 | Wife | — | Poland |
| 73 | John Rossik | 14 | Son | — | Massachusetts |
| 74 | Edward Rossik | 13 | Son | — | Massachusetts |
| 75 | Victoria Rossik | 12 | Daughter | — | Massachusetts |
| 76 | Henry Rossik | 11 | Son | — | Massachusetts |
| 77 | Joseph Rossik | 9 | Son | — | Massachusetts |
| 78 | Walter Rossik | 6 | Son | — | Massachusetts |
| 79 | Jennie Rossik | 3 | Daughter | — | Massachusetts |
| 80 | Terry Rossik | 0 | Son | — | Massachusetts |
Pedigree Summary
Joseph
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 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)