NP
Nels Peterson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Union-County, New Jersey
Our Model Tree links this Nels Peterson across the 1920, 1930 and 1940 US Censuses in Union-County, New Jersey (XGBoost, ~Confirmed), with identified parents Axel & Hulda — first a son (b.~1910), then head of a 6-person household.
Age 30
b. ~1910
Male
Son
Born: Sweden
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Union-County, New Jersey |
| Surname | Peterson |
| Given Name | Nels |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Sweden |
| 1935 Residence (City) | Westfield |
| 1935 Residence (County) | Union |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | laborer |
| Industry | Board Plant |
| Class of Worker | PW |
| Hours Worked | 45 |
| Income (1939) | 1320 |
| Highest Grade | C 8 |
| 1935 Residence | Same house |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
| Occupation | Laborer |
| Township / Ward | Westfield |
| Est. Birth Year | ~1910 |
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 1940 census.
| Name | Relation to head | Relative to Nels | Age | Birth yr |
|---|---|---|---|---|
| Hulda Peterson | Spouse | — | 58 | ~1882 |
| Eric Peterson | Son | — | 27 | ~1913 |
| Robert Peterson | Son | — | 17 | ~1923 |
| Axel Peterson | Head | — | 60 | ~1880 |
| Hans Peterson | Son | — | 26 | ~1914 |
| Nels Peterson | Son | — | 30 | ~1910 |
Census Appearances
1920
Union, New …
Son, age 10
Union, New Jersey · implied b. ~1910 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Nils |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Sweden |
| Year of Immigration | 1915 |
| Naturalization Status | Alien |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
1930
Union, New …
Son, age 21
Union, New Jersey · implied b. ~1909 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Nils |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Sweden |
| Naturalization Status | Naturalized |
| Year of Immigration | 1906 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Carpenter |
| Industry | Building |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Swedish |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
1940
Union-County, New …
Son, age 30
Union-County, New Jersey · implied b. ~1910 — 6 household members
| Surname | Peterson |
| Given Name | Nels |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Sweden |
| 1935 Residence (City) | Westfield |
| 1935 Residence (County) | Union |
| Naturalization Status | Naturalized |
| Occupation | laborer |
| Industry | Board Plant |
| Class of Worker | PW |
| Hours Worked | 45 |
| Income (1939) | 1320 |
| Highest Grade | C 8 |
| 1935 Residence | Same house |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
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 Nels Peterson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Axel Peterson (~0.92 confidence) and mother Hulda Peterson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Axel Peterson
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Hulda Peterson
b. ~1882
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Nels Peterson
Son · 1940 · age 30 · b. ~1910 · New Jersey
★ You are viewing this record
Sibling
Eric Peterson
Sibling · 1940 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hans Peterson
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Peterson
Sibling · 1940 · age 17
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
1940 US Federal Census — Union-County, New Jersey
Open full size
1940 US Federal Census — Union-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02390-00811)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | George W Koerner | 64 | Head | Laborer | Maryland |
| 42 | Agnes Koerner | 66 | Wife | — | Free State |
| 43 | Hans J Hansen | 60 | Head | Engineer | Norway |
| 44 | Arnold R Hansen | 27 | son | Painter | New Jersey |
| 45 | Martha R Hansen | 25 | Daughter | — | New Jersey |
| 46 | Irving C Hansen | 23 | son | Draftsman | New Jersey |
| 47 | Louis Humphrey | 33 | Head | Messenger | North Ireland |
| 48 | Janet B Humphrey | 29 | Wife | — | New Jersey |
| 49 | Hampton Humphrey | 7 | son | — | New Jersey |
| 50 | Harry Andreassen | 36 | Head | Laborer | Norway |
| 51 | Ruth Andreassen | 37 | Wife | — | Norway |
| 52 | Norman Andreassen | 11 | son | — | New Jersey |
| 53 | David Andreassen | 3 | son | — | New Jersey |
| 54 | Anna Skogs | 85 | Lodger | — | New Jersey |
| 55 | Andrew Arneson | 63 | Head | Laborer | Sweden |
| 56 | Hanna Arneson | 58 | Wife | — | Sweden |
| 57 | Evert Andersson | 24 | Lodger | Investigator | New Jersey |
| 58 | Helen A Andersson | 24 | Wife | Clerk | New Jersey |
| 59 | Axel H Peterson | 60 | Head | Carpenter | Sweden |
| 60 | Hulda Peterson | 58 | Wife | — | Sweden |
| 61 | Eric A Peterson | 27 | son | Printing | Sweden |
| 62 | Nels Peterson THIS PERSON | 30 | son | Laborer | Sweden |
| 63 | Hans Peterson | 26 | son | Painter | Sweden |
| 64 | Robert Peterson | 17 | son | — | Sweden |
| 65 | Clarence Peterson | 61 | Head | Dress Maker | New Jersey |
| 66 | Arnold Erich | 63 | Head | — | Washington |
| 67 | Esther Erich | 29 | Daughter | Clerical | Norway |
| 68 | Arnold Erich | 19 | son | — | New Jersey |
| 69 | Joseph Holzheimer | 27 | Son-in-law | Laborer | New Jersey |
| 70 | Christine Holzheimer | 28 | Daughter | — | New Jersey |
| 71 | Addie R Brown | 37 | Head | Servant | Tennessee |
| 72 | Otto C. P. Seebode | 58 | Head | Electrician | Germany |
| 73 | Ida W Seebode | 56 | Wife | — | Germany |
| 74 | William A Seebode | 23 | son | Fireman | New Jersey |
| 75 | Dorothy E Seebode | 18 | Daughter | — | New Jersey |
| 76 | Elizabeth E Seebode | 13 | Daughter | — | New Jersey |
| 77 | John P Hingle | 49 | Head | Roofing | New Jersey |
| 78 | Flora Hingle | 49 | Wife | — | Maryland |
| 79 | Flora E Hingle | 22 | Daughter | Clerk | New Jersey |
| 80 | Arthur J Hingle | 18 | son | — | New Jersey |
Pedigree Summary
Nels + 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 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)