MJ
Margaret James — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Middlesex-County, New Jersey
Our Model Tree links this Margaret James across the 1930 and 1940 US Censuses in Middlesex-County, New Jersey (XGBoost, ~Confirmed) — first a daughter (b.~1929), then head of a 6-person household.
Age 11
b. ~1929
Female
Daughter
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, New Jersey |
| Surname | James |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Highland Park |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Highest Grade | No 5 |
| 1935 Residence | New Jersey |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Township / Ward | North Brunswick Twp |
| Est. Birth Year | ~1929 |
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 Margaret | Age | Birth yr |
|---|---|---|---|---|
| Dorothy James | Daughter | — | 10 | ~1930 |
| Margaret James | Daughter | — | 11 | ~1929 |
| Leonard James | Head | — | 37 | ~1903 |
| Marion James | Daughter | — | 5 | ~1935 |
| Leonard James | Son | — | 13 | ~1927 |
| Margaret James | Spouse | — | 34 | ~1906 |
Census Appearances
1930
Union, New …
Daughter, age 1
Union, New Jersey · implied b. ~1929 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | James |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | North Ireland |
| Mother's Birthplace | Connecticut |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Middlesex-County, New …
Daughter, age 11
Middlesex-County, New Jersey · implied b. ~1929 — 6 household members
| Surname | James |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Highland Park |
| 1935 Residence (County) | Middlesex |
| Highest Grade | No 5 |
| 1935 Residence | New Jersey |
| 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 Margaret James across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Margaret James
Daughter · 1940 · age 11 · b. ~1929 · New Jersey
★ You are viewing this record
Sibling
Leonard James
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy James
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marion James
Sibling · 1940 · age 5
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 — Middlesex-County, New Jersey
Open full size
1940 US Federal Census — Middlesex-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02360-00693)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Samuel Madaffari | 45 | Head | Bricklayer | Italy |
| 2 | Olympia Madaffari | 39 | Wife | — | Italy |
| 3 | Carmela Madaffari | 11 | Daughter | — | New Jersey |
| 4 | Frank Madaffari | 9 | Son | — | New Jersey |
| 5 | Susan Morko | 67 | Mother-in-law | — | Italy |
| 6 | Leonard Sr. James | 37 | Head | Laborer | New Jersey |
| 7 | Margaret James | 34 | Wife | — | New Jersey |
| 8 | Leonard Jr. James | 13 | Son | — | New Jersey |
| 9 | Margaret James THIS PERSON | 11 | Daughter | — | New Jersey |
| 10 | Dorothy James | 10 | Daughter | — | New Jersey |
| 11 | Marion James | 5 | Daughter | — | New Jersey |
| 12 | Henry Kahlert | 46 | Head | Truck Driver | New York |
| 13 | Hilda Claridge | 33 | Housekeeper | Housekeeper | New York |
| 14 | Salvatore Di Grieco | 27 | Head | Assembler | New York |
| 15 | Alice Di Grieco | 22 | Wife | — | New Jersey |
| 16 | Dolores Di Grieco | 1 | Daughter | — | New Jersey |
| 17 | John Oros | 38 | Head | Laborer | Italy |
| 18 | Josephine Oros | 31 | Wife | Stuffer | Brazil |
| 19 | Marie Oros | 10 | Daughter | — | New Jersey |
| 20 | Carmela Oros | 9 | Daughter | — | New Jersey |
| 21 | James Oros | 5 | Son | — | New Jersey |
| 22 | Andrew Oros | 5 | Son | — | New Jersey |
| 23 | Mildred Oros | 1 | Daughter | — | New Jersey |
| 24 | Arnold Sr. Meseroll | 49 | Head | Farmer | New Jersey |
| 25 | Hazel Meseroll | 45 | Wife | — | New Jersey |
| 26 | Arnold Jr. Meseroll | 9 | Son | — | New Jersey |
| 27 | Steven Sr. Nemeth | 64 | Head | Tailor | Hungary |
| 28 | Elizabeth Nemeth | 64 | Wife | — | Hungary |
| 29 | Steven Jr. Nemeth | 35 | Son | Farmer | New York |
| 30 | Charlotte Nemeth | 27 | Daughter | Stenographer | New Jersey |
| 31 | Frederick Earl Watrous | 57 | Head | Commercial Artist | Connecticut |
| 32 | Pauline Watrous | 50 | Wife | — | New York |
| 33 | Philippine Jolley | 81 | Mother-in-law | — | Germany |
| 34 | Joseph Sr. Miller | 49 | Head | Machinist | Austria |
| 35 | Anna Miller | 55 | Wife | — | Austria |
| 36 | Joseph Jr. Miller | 24 | Son | Farmer | New Jersey |
| 37 | Bernice Miller | 23 | Son | Assembler | New Jersey |
| 38 | Paul Miller | 19 | Son | Gas Station Attendant | New Jersey |
| 39 | Theresa Miller | 21 | Daughter | 14 | New Jersey |
| 40 | Ignac Miller | 18 | Son | Farmer | New Jersey |
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)