MH
Martha Harris — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Hudson-County, New Jersey
Our Model Tree links this Martha Harris across the 1930 and 1940 US Censuses in Hudson-County, New Jersey (XGBoost, ~Confirmed) — first a daughter (b.~1930), then head of a 8-person household.
Age 10
b. ~1930
Female
Daughter
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hudson-County, New Jersey |
| Surname | Harris |
| Given Name | Martha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Jersey City |
| 1935 Residence (County) | Hudson |
| Additional Details | |
| Highest Grade | Yes 5 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Township / Ward | Jersey City |
| Est. Birth Year | ~1930 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Martha | Age | Birth yr |
|---|---|---|---|---|
| Helen Harris | Daughter | — | 11 | ~1929 |
| Alice Harris | Daughter | — | 5 | ~1935 |
| Martha Harris | Daughter | — | 10 | ~1930 |
| Arthur Harris | Head | — | 33 | ~1907 |
| Joseph-A Harris | Son | — | 37 | ~1903 |
| Donald Harris | Son | — | 18 | ~1922 |
| Arthur Harris | Son | — | 9 | ~1931 |
| Ethel-Mrs Harris | Spouse | — | 28 | ~1912 |
Census Appearances
1930
Hudson, New …
Other, age 1
Hudson, New Jersey · implied b. ~1929 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harris |
| Given Name | Martha |
| Relationship to Head | granddaughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New York |
| Mother's Birthplace | New Jersey |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Hudson-County, New …
Daughter, age 10
Hudson-County, New Jersey · implied b. ~1930 — 8 household members
| Surname | Harris |
| Given Name | Martha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Jersey City |
| 1935 Residence (County) | Hudson |
| Highest Grade | Yes 5 |
| 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 Martha Harris across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Martha Harris
Daughter · 1940 · age 10 · b. ~1930 · New Jersey
★ You are viewing this record
Sibling
Alice Harris
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Harris
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arthur Harris
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph-A Harris
Sibling · 1940 · age 37
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Harris
Sibling · 1940 · age 18
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 — Hudson-County, New Jersey
Open full size
1940 US Federal Census — Hudson-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02410-00496)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Nick-D Gasbarro | 44 | Head | Laborer | Italy |
| 2 | Concetti-Mrs Gasbarro | 40 | Wife | — | Italy |
| 3 | Dan Gasbarro | 19 | Son | — | Italy |
| 4 | Livia Gasbarro | 11 | Daughter | — | New Jersey |
| 5 | Josephine Gasbarro | 3 | Daughter | — | — |
| 6 | Eugene D'Amisio | 30 | Head | Inspector | New Jersey |
| 7 | Anne-Mrs D'Amisio | 26 | Wife | — | New York |
| 8 | Florence D'Amisio | 4 | Daughter | — | — |
| 9 | Joseph Symanski | 39 | Head | Agent | Poland |
| 10 | Lilian-Mrs Symanski | 43 | Wife | — | New Jersey |
| 11 | Lilian Latham | 53 | Mother-in-law | — | New Jersey |
| 12 | Charles Smith | 31 | Lodger | New Worker | New Jersey |
| 13 | Celestine Mulligan | 24 | Niece | Packer | New Jersey |
| 14 | John-C Blake | 68 | Head | — | North Ireland |
| 15 | Nora-Mrs Blake | 68 | Wife | — | North Ireland |
| 16 | John-T Blake | 43 | Son | Longshoreman | North Ireland |
| 17 | Tom Blake | 34 | Son | Longshoreman | North Ireland |
| 18 | Robert Blake | 30 | Son | Packer | North Ireland |
| 19 | Mary Blake | 26 | Daughter | Soda-Clerk | North Ireland |
| 20 | Margaret Mckeon | 33 | Wife | — | North Ireland |
| 21 | Dorothy Mckeon | 13 | Daughter | — | New Jersey |
| 22 | Michael Michelys | 42 | Head | Machanic Helper | Poland |
| 23 | Mary-Mrs Michelys | 42 | Wife | — | Poland |
| 24 | Edward Michelys | 17 | Son | Soda-Clerk | New Jersey |
| 25 | Helen Michelys | 13 | Daughter | — | New Jersey |
| 26 | Stanley Michelys | 8 | Son | — | New Jersey |
| 27 | Hector-P Fortier | 42 | Head | Laborer | Maine |
| 28 | Ermaine Fortier | 40 | Wife | — | Canada-French |
| 29 | Pauline Fortier | 19 | Daughter | Sewing | Maine |
| 30 | Georgette Fortier | 18 | Daughter | — | Maine |
| 31 | Delores Fortier | 14 | Daughter | — | Canada-French |
| 32 | Clifford Fortier | 11 | Son | — | New Jersey |
| 33 | Arthur Harris | 33 | Head | Laborer | New Jersey |
| 34 | Ethel-Mrs Harris | 28 | Wife | — | New Jersey |
| 35 | Martha Harris THIS PERSON | 10 | Daughter | — | New Jersey |
| 36 | Arthur Harris | 9 | Son | — | New Jersey |
| 37 | Alice Harris | 5 | Daughter | — | — |
| 38 | Helen Harris | 11 | Daughter | — | New Jersey |
| 39 | Donald Harris | 18 | Son | — | New Jersey |
| 40 | Joseph-A Harris | 37 | Son | Laborer | 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)