CP
Carl Peterson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this Carl Peterson across the 1920, 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed), with identified parents John & Alona — first a head (b.~1899), then head of a 3-person household.
Age 41
b. ~1899
Male
Head
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Peterson |
| Given Name | Carl A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Revere City |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Occupation | Repair Man |
| Industry | Accounting Machines |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 3363 |
| Highest Grade | H-4 |
| 1935 Residence | Same House |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Repair Man |
| Township / Ward | Revere City |
| Est. Birth Year | ~1899 |
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 Carl | Age | Birth yr |
|---|---|---|---|---|
| Carl Peterson | Head | — | 41 | ~1899 |
| Robert Peterson | Son | — | 14 | ~1926 |
| Gertrude Peterson | Spouse | — | 40 | ~1900 |
Census Appearances
1920
Suffolk, Massachusetts
Son, age 20
Suffolk, Massachusetts · implied b. ~1900 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Carl |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Repair Man |
| Industry | Bookkeeping Co |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Suffolk, Massachusetts
Head, age 30
Suffolk, Massachusetts · implied b. ~1900 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Carl A. |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Age at First Marriage | 24 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | mechanic |
| Industry | office equipment |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Veteran | No |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Head, age 41
Suffolk-County, Massachusetts · implied b. ~1899 — 3 household members
| Surname | Peterson |
| Given Name | Carl A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Revere City |
| 1935 Residence (County) | Suffolk |
| Occupation | Repair Man |
| Industry | Accounting Machines |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 3363 |
| Highest Grade | H-4 |
| 1935 Residence | Same House |
| 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 Carl Peterson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Peterson (~0.92 confidence) and mother Alona Peterson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Peterson
b. ~1868
Source father
● Household
· direct · ~0.92
Mother
Alona Peterson
b. ~1873
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Carl Peterson
Head · 1940 · age 41 · b. ~1899 · 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 — Suffolk-County, Massachusetts
Open full size
1940 US Federal Census — Suffolk-County, Massachusetts
Page Contents
36 people indexed on this census page (nara:1940:m-t0627-01643-00101)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John Augustus | 47 | Head | Embosser | Massachusetts |
| 2 | Valerie M. Augustus | 15 | Daughter | — | Massachusetts |
| 3 | Rita J. Augustus | 12 | Daughter | — | Massachusetts |
| 4 | Robert D. Augustus | 5 | Son | — | Massachusetts |
| 5 | Daniel J. Crovo | 28 | Head | Embosser | Massachusetts |
| 6 | A. Fred Crovo | 39 | Brother | Pipe Coverer | Massachusetts |
| 7 | Angela S. Crovo | 64 | Mother | — | Italy |
| 12 | Milton L. Kirsch | 32 | Head | Musician | New Jersey |
| 13 | Olga F. Kirsch | 29 | Wife | — | Massachusetts |
| 14 | Michael P. Kirsch | 4 | Son | — | Massachusetts |
| 15 | John F. Humphrey | 52 | Head | Conductor | Massachusetts |
| 16 | Rose E. Humphrey | 56 | Wife | — | Massachusetts |
| 17 | Joseph G. Humphrey | 18 | Son | Bus Boy | Massachusetts |
| 18 | Alvin Gibson | 38 | Son | Bartender | Texas |
| 19 | Edna V. Gibson | 28 | Daughter | Beautician | Massachusetts |
| 20 | Charles W. Libby | 26 | Head | Shipper | Massachusetts |
| 21 | Sylvia M. Libby | 25 | Wife | Receptionist | Massachusetts |
| 22 | James F. Macfarlane | 52 | Head | Machinist | Scotland |
| 23 | Bella M. Macfarlane | 50 | Wife | — | Massachusetts |
| 24 | Carl A. Peterson THIS PERSON | 41 | Head | Repair Man | Massachusetts |
| 25 | Gertrude M. Peterson | 40 | Wife | — | Massachusetts |
| 26 | Robert E. Peterson | 14 | Son | — | Massachusetts |
| 27 | Harry V. Walsh | 57 | Head | Enumerator | Massachusetts |
| 28 | Josephine H. Walsh | 58 | Wife | — | Massachusetts |
| 29 | Grace L. Walsh | 17 | Daughter | — | Massachusetts |
| 30 | Annie M. Jacobson | 68 | Head | Curtain Maker | Sweden |
| 31 | Harry L. Caswell | 64 | Lodger | Trimmer | Massachusetts |
| 32 | Agrippino Conti | 60 | Head | — | Italy |
| 33 | Concetta Conti | 55 | Wife | — | Italy |
| 34 | Agatha R. Conti | 29 | Daughter | Perforator | Massachusetts |
| 35 | Angelo Conti | 24 | Son | Laborer | Massachusetts |
| 36 | Josephine M. Conti | 21 | Daughter | Stitcher | Massachusetts |
| 37 | John M. Norris | 57 | Head | Operator | Massachusetts |
| 38 | Irene T. Norris | 50 | Wife | — | Massachusetts |
| 39 | Dorothy L. Norris | 22 | Daughter | Driller | Massachusetts |
| 40 | Robert W. (A) Norris | 20 | Son | Supervisor | Massachusetts |
Pedigree Summary
Carl
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)