CP
Clarence Peterson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Morris-County, New Jersey
Our Model Tree links this Clarence Peterson across the 1920, 1930 and 1940 US Censuses in Morris-County, New Jersey (XGBoost, ~Confirmed), with identified parents Nels & Niles — first a head (b.~1904), then head of a 4-person household.
Age 36
b. ~1904
Male
Head
Born: New Jersey
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Morris-County, New Jersey |
| Surname | Peterson |
| Given Name | Clarence |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | Dover city |
| 1935 Residence (County) | Morris |
| Additional Details | |
| Occupation | Machine Foreman |
| Industry | Printing Press |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2300 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Machine Foreman |
| Township / Ward | Dover City |
| Est. Birth Year | ~1904 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Clarence | Age | Birth yr |
|---|---|---|---|---|
| Clarence Peterson | Head | — | 36 | ~1904 |
| Rachel Peterson | Spouse | — | 33 | ~1907 |
| Judith Peterson | Daughter | — | 2 | ~1938 |
| Nancy Peterson | Daughter | — | 3 | ~1937 |
Census Appearances
1920
Morris, New …
Son, age 16
Morris, New Jersey · implied b. ~1904 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Clarence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | App. Printer |
| Industry | Printing Mill |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Morris, New …
Son, age 25
Morris, New Jersey · implied b. ~1905 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Clarence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Tool maker |
| Industry | Government Arsenal |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Morris-County, New …
Head, age 36
Morris-County, New Jersey · implied b. ~1904 — 4 household members
| Surname | Peterson |
| Given Name | Clarence |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | Dover city |
| 1935 Residence (County) | Morris |
| Occupation | Machine Foreman |
| Industry | Printing Press |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2300 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
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 Clarence Peterson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Nels Peterson (~0.92 confidence) and father Niles Peterson (~0.92 confidence) and mother Anna Peterson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Nels Peterson
b. ~1872
Source father
● Household
· direct · ~0.92
Father
Niles Peterson
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Anna Peterson
b. ~1878
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Clarence Peterson
Head · 1940 · age 36 · b. ~1904 · New Jersey
★ 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 — Morris-County, New Jersey
Open full size
1940 US Federal Census — Morris-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02371-00405)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | William Lemby | 47 | Head | Foreman | Colorado |
| 42 | Irene R Lemby | 47 | Wife | Stenographer | New Jersey |
| 43 | Barbara Rafis | 24 | Daughter | Stenographer | New Jersey |
| 44 | Charles Rafis | 21 | Son | Operator | New Jersey |
| 45 | Barbara Clements | 70 | Mother in Law | — | Germany |
| 46 | Emil G Muschovic | 50 | Head | Knitter | Germany |
| 47 | Margaret Muschovic | 46 | Wife | — | New Jersey |
| 48 | Helen Muschovic | 15 | Daughter | — | New Jersey |
| 49 | Richard Buchanan | 40 | Head | Knitter | New Jersey |
| 50 | Elva Buchanan | 37 | Wife | — | New Jersey |
| 51 | Richard Buchanan | 8 | Son | — | New Jersey |
| 52 | George Luckner | 32 | Boarder | Machinist | New Jersey |
| 53 | James Roche | 31 | Head | Knitter | New York |
| 54 | Hazel Roche | 31 | Wife | — | Pennsylvania |
| 55 | James Jr Roche | 7 | Son | — | Pennsylvania |
| 56 | Douglas Roche | 2 | Son | — | New Jersey |
| 57 | Ronald Roche | 25 | Brother | Knitter | New York |
| 58 | Clarence Peterson THIS PERSON | 36 | Head | Machine Foreman | New Jersey |
| 59 | Rachel Peterson | 33 | Wife | — | New York |
| 60 | Nancy M Peterson | 3 | Daughter | — | New Jersey |
| 61 | Judith D Peterson | 2 | Daughter | — | New Jersey |
| 62 | Anthony Sainta | 33 | Head | Proprietor | Italy |
| 63 | Mary Sainta | 30 | Wife | — | New Jersey |
| 64 | Michael Sainta | 3 | Son | — | New Jersey |
| 65 | Mary Smith | 43 | Head | Electrician Helper | New Jersey |
| 66 | Edith Smith | 46 | Wife | Salesman | New Jersey |
| 67 | Arthur Caretti | 37 | Head | Salesman | New York |
| 68 | Adeline Caretti | 37 | Wife | — | New Jersey |
| 69 | Walter Schuring | 44 | Head | Knitter | Indiana |
| 70 | Mary S Schuring | 38 | Wife | Mender | New Jersey |
| 71 | Eleanor Schuring | 11 | Daughter | — | New Jersey |
| 72 | Geraldine Schuring | 5 | Daughter | — | New Jersey |
| 73 | John J Dalrymple | 47 | Head | Ship & Gauge | New Jersey |
| 74 | Ellen E Dalrymple | 41 | Wife | — | New Jersey |
| 75 | Gloria Dalrymple | 2 | Daughter | — | New Jersey |
| 76 | Harry Chunder | 40 | Boarder | Laborer | Iowa |
| 77 | Charles Reeves | 57 | Head | Draftsman | New York |
| 78 | Katherine Reeves | 56 | Wife | — | New York |
| 79 | Charles Reeves | 15 | Son | — | New York |
| 80 | James J Roche | 31 | Head | Knitter | New York |
Pedigree Summary
Clarence
Gen 1 · 3 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)