MG
Margaret Gallagher — 1940 US Census Record
Model Tree available1940 United States Federal Census · Hudson-County, New Jersey
Our Model Tree links this Margaret Gallagher across the 1920, 1930 and 1940 US Censuses in Hudson-County, New Jersey (XGBoost, ~Confirmed), with identified parents Thomas & Lydia — first a daughter (b.~1910), then head of a 8-person household.
Age 30
b. ~1910
Female
Daughter
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hudson-County, New Jersey |
| Surname | Gallagher |
| Given Name | Margaret |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Jersey City |
| 1935 Residence (County) | Hudson |
| Additional Details | |
| Occupation | Bookkeeper |
| Industry | Insurance |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1400 |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Bookkeeper |
| Township / Ward | Jersey City |
| 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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Sabina Gallagher | Daughter | — | 32 | ~1908 |
| Margaret Gallagher | Daughter | — | 30 | ~1910 |
| Thomas Gallagher | Head | — | 70 | ~1870 |
| Thomas Gallagher | Son | — | 28 | ~1912 |
| William Gallagher | Son | — | 23 | ~1917 |
| Patrick Gallagher | Son | — | 26 | ~1914 |
| Joseph Gallagher | Son | — | 34 | ~1906 |
| Michael Gallagher | Son | — | 20 | ~1920 |
Census Appearances
1920
Hudson, New …
Daughter, age 8
Hudson, New Jersey · implied b. ~1912 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gallagher |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New York |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Hudson, New …
Daughter, age 19
Hudson, New Jersey · implied b. ~1911 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gallagher |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New York |
| Occupation | Stenographer |
| Industry | Insurance Office |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Hudson-County, New …
Daughter, age 30
Hudson-County, New Jersey · implied b. ~1910 — 8 household members
| Surname | Gallagher |
| Given Name | Margaret |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Jersey City |
| 1935 Residence (County) | Hudson |
| Occupation | Bookkeeper |
| Industry | Insurance |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1400 |
| Highest Grade | H 2 |
| 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 Margaret Gallagher across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Thomas Gallagher (~0.92 confidence) and mother Lydia Gallagher (~0.92 confidence) and father Thomas Gallagher (~0.92 confidence) and father Thomas Gallagher (~0.92 confidence) and mother Viola Gallagher (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Thomas Gallagher
b. ~1870
Source father
● Household
· direct · ~0.92
Mother
Lydia Gallagher
b. ~1880
Source mother
● Household
· direct · ~0.92
Father
Thomas Gallagher
b. ~1881
Source father
● Household
· direct · ~0.92
Father
Thomas Gallagher
b. ~1885
Source father
● Household
· direct · ~0.92
Mother
Viola Gallagher
b. ~1885
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Margaret Gallagher
Daughter · 1940 · age 30 · b. ~1910 · New Jersey
★ You are viewing this record
Sibling
Joseph Gallagher
Sibling · 1940 · age 34
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Gallagher
Sibling · 1940 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sabina Gallagher
Sibling · 1940 · age 32
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patrick Gallagher
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Michael Gallagher
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Gallagher
Sibling · 1940 · age 23
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-t0627-02404-00748)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John Eckstein | 2 | son | — | New Jersey |
| 42 | Thomas Gallagher | 70 | Head | — | Ireland |
| 43 | Joseph Gallagher | 34 | son | Piper | New Jersey |
| 44 | Sabina A Gallagher | 32 | daughter | Bookkeeper | New Jersey |
| 45 | Margaret Gallagher THIS PERSON | 30 | daughter | Bookkeeper | New Jersey |
| 46 | Thomas Gallagher | 28 | son | Bookkeeper | New Jersey |
| 47 | Patrick Gallagher | 26 | son | Operator | New Jersey |
| 48 | William Gallagher | 23 | son | Stock Clerk | New Jersey |
| 49 | Michael Gallagher | 20 | son | Operator | New Jersey |
| 50 | Louis Wilder | 60 | Head | Wholesale Candy | Austria |
| 51 | Anna Wilder | 54 | wife | — | Russia |
| 52 | Theresa Wilder | 29 | daughter | Teacher | New Jersey |
| 53 | Max Wilder | 25 | son | Wholesale Candy | New Jersey |
| 54 | David Wilder | 21 | son | Wholesale Candy | New Jersey |
| 55 | Wm Dempsey | 25 | Head | Operator | New Jersey |
| 56 | Margaret Dempsey | 22 | wife | — | New Jersey |
| 57 | Joseph Lee | 43 | Head | Driver | New Jersey |
| 58 | Anna Lee | 41 | wife | — | New Jersey |
| 59 | Thomas F Bertran | 48 | Head | Fireman | New York |
| 60 | Ida Bertran | 44 | wife | — | New Jersey |
| 61 | Thomas Jr Bertran | 7 | son | — | New Jersey |
| 62 | Eileen Bertran | 3 | daughter | — | New Jersey |
| 63 | Charles Caffall | 38 | Head | Electrical Engineer | Maryland |
| 64 | Catherine Caffall | 30 | wife | — | New Jersey |
| 65 | Lois Caffall | 6 | daughter | — | New York |
| 66 | Charles Caffall | 4 | son | — | New Jersey |
| 67 | Dennis Caffall | 0 | son | — | New Jersey |
| 68 | Margaret Martha | 32 | sister in law | File Clerk | New Jersey |
| 69 | Stephen Mclaughlin | 44 | Head | Welder | New Jersey |
| 70 | Margaret Mclaughlin | 41 | wife | — | New Jersey |
| 71 | Stephen Mclaughlin | 20 | son | Pipe Fitters Helper | New Jersey |
| 72 | Margaret Mclaughlin | 19 | daughter | New Worker | New Jersey |
| 73 | Mildred Mclaughlin | 17 | daughter | — | New Jersey |
| 74 | Mary Mclaughlin | 13 | daughter | — | New Jersey |
| 75 | William Mclaughlin | 10 | son | — | New Jersey |
| 76 | Michael Mclaughlin | 6 | son | — | New Jersey |
| 77 | Joseph Mclaughlin | 4 | son | — | New Jersey |
| 78 | John Masterson | 34 | Head | Maintenance Man | New Jersey |
| 79 | Julia Masterson | 37 | wife | — | New Jersey |
| 80 | John Jr Masterson | 14 | son | — | New Jersey |
Related Census Records
Pedigree Summary
Margaret + 6 siblings
Gen 1 · 5 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)