MN
Marie Nelson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Morris-County, New Jersey
Our Model Tree links this Marie Nelson across the 1930 and 1940 US Censuses in Morris-County, New Jersey (XGBoost, ~Confirmed) — first a daughter (b.~1925), then head of a 12-person household.
Age 15
b. ~1925
Female
Daughter
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Morris-County, New Jersey |
| Surname | Nelson |
| Given Name | Marie |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (County) | Morris |
| Additional Details | |
| Occupation | High School |
| Class of Worker | 0 |
| Highest Grade | H S 2 |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | High School |
| Township / Ward | Montville |
| Est. Birth Year | ~1925 |
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.
12 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Marie | Age | Birth yr |
|---|---|---|---|---|
| Harriet Nelson | Daughter | — | 17 | ~1923 |
| Marie Nelson | Daughter | — | 15 | ~1925 |
| Virginia Nelson | Daughter | — | 9 | ~1931 |
| Julia Nelson | Daughter | — | 21 | ~1919 |
| Helen Le Duc | Daughter | — | 22 | ~1918 |
| Joseph Le Duc | Son | — | 25 | ~1915 |
| Agnes Nelson | Daughter | — | 18 | ~1922 |
| Soren Nelson | Son | — | 16 | ~1924 |
| Ann Nelson | Daughter | — | 11 | ~1929 |
| David Nelson | Son | — | 18 | ~1922 |
| Soren Nelson | Head | — | 52 | ~1888 |
| Marion Nelson | Spouse | — | 55 | ~1885 |
Census Appearances
1930
Hudson, New …
Daughter, age 4
Hudson, New Jersey · implied b. ~1926 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Marie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Morris-County, New …
Daughter, age 15
Morris-County, New Jersey · implied b. ~1925 — 12 household members
| Surname | Nelson |
| Given Name | Marie |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (County) | Morris |
| Occupation | High School |
| Class of Worker | 0 |
| Highest Grade | H S 2 |
| 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 Marie Nelson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Marie Nelson
Daughter · 1940 · age 15 · b. ~1925 · New Jersey
★ You are viewing this record
Sibling
Joseph Le Duc
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Soren Nelson
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
David Nelson
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Virginia Nelson
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harriet Nelson
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Agnes Nelson
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Julia Nelson
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ann Nelson
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Le Duc
Sibling · 1940 · age 22
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 — 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-t0627-02371-01172)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Allan Black | 8 | son | — | New Jersey |
| 42 | Edwin Black | 7 | son | — | New Jersey |
| 43 | Donald Black | 1 | son | — | New Jersey |
| 44 | Edna F. Black | 57 | wife | — | New York |
| 45 | Alexander C. Black | 35 | son | Farm | New York |
| 46 | John Molnar | 52 | Head | Foreman | Slovakia |
| 47 | Esther Molnar | 47 | wife | — | Slovakia |
| 48 | Berton Molnar | 20 | son | 22 | New Jersey |
| 49 | Olga Molnar | 17 | daughter | — | New Jersey |
| 50 | Priscilla Molnar | 16 | daughter | — | New Jersey |
| 51 | George D. Miller | 57 | Head | 40 | New Jersey |
| 52 | Sarah E. Miller | 59 | wife | — | New Jersey |
| 53 | Elmer J. Miller | 30 | son | 44 | New Jersey |
| 54 | Soren Nelson | 52 | Head | Farmer | Denmark |
| 55 | Marion Nelson | 55 | wife | Housework | Denmark |
| 56 | Julia Nelson | 21 | daughter | — | Virginia |
| 57 | Agnes Nelson | 18 | daughter | High School | New York |
| 58 | David Nelson | 18 | son | Farm | New York |
| 59 | Harriet Nelson | 17 | daughter | — | New York |
| 60 | Soren Nelson | 16 | son | Farm | New Jersey |
| 61 | Marie Nelson THIS PERSON | 15 | daughter | High School | New Jersey |
| 62 | Ann Nelson | 11 | daughter | — | New Jersey |
| 63 | Virginia Nelson | 9 | daughter | — | New Jersey |
| 64 | Helen Le Duc | 22 | daughter | Farm | New York |
| 65 | Joseph Le Duc | 25 | son | — | New Jersey |
| 66 | Anne E. Phelps | 83 | Head | — | New Jersey |
| 67 | Bert Moore | 58 | Lodger | Private Home | Indiana |
| 68 | Morris Bader | 38 | Head | Oa | Russia |
| 69 | Diana Bader | 31 | wife | — | New Jersey |
| 70 | Bertram Bader | 7 | son | — | New Jersey |
| 71 | Donald Bader | 3 | son | — | New Jersey |
| 72 | Barnet Bader | 42 | Head | Farm | New York |
| 73 | Rose Bader | 38 | wife | — | Massachusetts |
| 74 | Jerome Bader | 16 | son | High School | New York |
| 75 | Laura Bader | 14 | daughter | High School | New York |
| 76 | Harold Bader | 12 | son | — | New Jersey |
| 77 | Sydney Salmieri | 32 | Head | Farm | New York |
| 78 | Fannie Salmieri | 30 | wife | — | New York |
| 79 | Barbara Salmieri | 7 | daughter | — | New York |
| 80 | Gladys Salmieri | 2 | daughter | — | New Jersey |
Related Census Records
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)