MD
Mary Dolan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Hudson-County, New Jersey
Our Model Tree links this Mary Dolan across the 1930 and 1940 US Censuses in Hudson-County, New Jersey (XGBoost, ~Confirmed) — first a daughter (b.~1921), then head of a 8-person household.
Age 19
b. ~1921
Female
Daughter
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hudson-County, New Jersey |
| Surname | Dolan |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Hoboken City |
| 1935 Residence (County) | Hudson |
| Additional Details | |
| Occupation | Operator |
| Industry | Underwear factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 528 |
| Highest Grade | H 1 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Operator |
| Township / Ward | Hoboken City |
| Est. Birth Year | ~1921 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| John Dolan | Head | — | 56 | ~1884 |
| Florence Dolan | Daughter | — | 9 | ~1931 |
| Eileen Dolan | Daughter | — | 16 | ~1924 |
| Mary Dolan | Daughter | — | 19 | ~1921 |
| John Dolan | Son | — | 14 | ~1926 |
| Frank Dolan | Son | — | 26 | ~1914 |
| Margaret Dolan | Spouse | — | 52 | ~1888 |
| Ann Dolan | Daughter | — | 11 | ~1929 |
Census Appearances
1930
Hudson, New …
Daughter, age 9
Hudson, New Jersey · implied b. ~1921 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dolan |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Scotland |
| Mother's Birthplace | England |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Hudson-County, New …
Daughter, age 19
Hudson-County, New Jersey · implied b. ~1921 — 8 household members
| Surname | Dolan |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Hoboken City |
| 1935 Residence (County) | Hudson |
| Occupation | Operator |
| Industry | Underwear factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 528 |
| Highest Grade | H 1 |
| 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 Mary Dolan across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Dolan
Daughter · 1940 · age 19 · b. ~1921 · New Jersey
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Sibling
Eileen Dolan
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ann Dolan
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Dolan
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frank Dolan
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Florence Dolan
Sibling · 1940 · age 9
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-t0627-02349-00273)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Edward Gilroy | 15 | Son | — | New Jersey |
| 2 | Anna Gilroy | 12 | daughter | — | New Jersey |
| 3 | James Lisa | 45 | Head | Laborer | New Jersey |
| 4 | Frances Lisa | 40 | Wife | Operator | New Jersey |
| 5 | Rose Lisa | 19 | Daughter | Operator | New Jersey |
| 6 | Isabel Lisa | 13 | Daughter | — | New Jersey |
| 7 | Joseph Lisa | 8 | Son | — | New Jersey |
| 8 | Michael Laughlin | 47 | Head | Laborer | New Jersey |
| 9 | Eileen Laughlin | 47 | Wife | — | Free State Ireland |
| 10 | Mary Laughlin | 14 | Daughter | — | New Jersey |
| 11 | Helen Laughlin | 6 | Daughter | — | New Jersey |
| 12 | Herman Wellinger | 63 | Head | Metal Melter | New Jersey |
| 13 | George Wellinger | 27 | Son | Metal Worker | New Jersey |
| 14 | May Wellinger | 24 | Daughter | — | New Jersey |
| 15 | Elizabeth Moir | 68 | Head | — | Germany |
| 16 | Mary Anna Corelli | 65 | Head | — | Italy |
| 17 | Gerard Corelli | 23 | Son | Truck Helper | New Jersey |
| 18 | Nicholas Corelli | 20 | Son | Varnisher | New Jersey |
| 19 | Alice Cox | 56 | Head | — | New Jersey |
| 20 | William Cox | 30 | Son | Coffeetaster | New Jersey |
| 21 | Helen Cox | 19 | Daughter | — | New Jersey |
| 22 | Owen Cox | 18 | Son | Machine Worker | New Jersey |
| 23 | John J. Dolan | 56 | Head | Laborer | Scotland |
| 24 | Margaret Dolan | 52 | Wife | — | England |
| 25 | Frank Dolan | 26 | Son | Helper | New Jersey |
| 26 | Mary Dolan THIS PERSON | 19 | Daughter | Operator | New Jersey |
| 27 | Eileen Dolan | 16 | Daughter | — | New Jersey |
| 28 | John Dolan | 14 | Son | — | New Jersey |
| 29 | Ann Dolan | 11 | Daughter | — | New Jersey |
| 30 | Florence Dolan | 9 | Daughter | — | New Jersey |
| 31 | Theresa Nailerpruch | Nailerbruch | 37 | Head | — | Italy |
| 32 | John Nailerpruch | Nailerbruch | 18 | Son | — | New Jersey |
| 33 | Adolph Nailerpruch | Nailerbruch | 17 | Son | — | New York |
| 34 | Charles Nailerpruch | Nailerbruch | 15 | Son | — | New Jersey |
| 35 | Evelyn Nailerpruch | Nailerbruch | 14 | Daughter | — | New Jersey |
| 36 | Margaret Nailerpruch | Nailerbruch | 12 | Daughter | — | New Jersey |
| 37 | William Nailerpruch | Nailerbruch | 10 | Son | — | New Jersey |
| 38 | Andrew Nailerpruch | Nailerbruch | 8 | Son | — | New Jersey |
| 39 | Rose Marie Nailerpruch | Nailerbruch | 6 | Daughter | — | New Jersey |
| 40 | Frank Nailerpruch | Nailerbruch | 4 | Son | — | 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)