MR
Mary Regan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Hudson-County, New Jersey
Our Model Tree links this Mary Regan across the 1930 and 1940 US Censuses in Hudson-County, New Jersey (XGBoost, ~Confirmed) — first a daughter (b.~1916), then head of a 9-person household.
Age 24
b. ~1916
Female
Daughter
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hudson-County, New Jersey |
| Surname | Regan |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Jersey City |
| 1935 Residence (County) | Hudson |
| Additional Details | |
| Occupation | Operator |
| Industry | Wholesale Coats |
| Class of Worker | PW |
| Hours Worked | 25 |
| Income (1939) | 496 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Operator |
| Township / Ward | Jersey City |
| Est. Birth Year | ~1916 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| James Regan | Son | — | 31 | ~1909 |
| John Regan | Son | — | 28 | ~1912 |
| Johanna Regan | Daughter | — | 18 | ~1922 |
| Mary Regan | Daughter | — | 24 | ~1916 |
| Mary Regan | Head | — | 59 | ~1881 |
| Ellen Regan | Daughter | — | 29 | ~1911 |
| Agnes Regan | Daughter | — | 21 | ~1919 |
| Anne Regan | Daughter | — | 23 | ~1917 |
| Richard Regan | Son | — | 25 | ~1915 |
Census Appearances
1930
Hudson, New …
Daughter, age 14
Hudson, New Jersey · implied b. ~1916 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Regan |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | New Jersey |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Hudson-County, New …
Daughter, age 24
Hudson-County, New Jersey · implied b. ~1916 — 9 household members
| Surname | Regan |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Jersey City |
| 1935 Residence (County) | Hudson |
| Occupation | Operator |
| Industry | Wholesale Coats |
| Class of Worker | PW |
| Hours Worked | 25 |
| Income (1939) | 496 |
| Highest Grade | Hs 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 Mary Regan across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Regan
Daughter · 1940 · age 24 · b. ~1916 · New Jersey
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Sibling
John Regan
Sibling · 1940 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ellen Regan
Sibling · 1940 · age 29
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Regan
Sibling · 1940 · age 31
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Agnes Regan
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anne Regan
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Johanna Regan
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Regan
Sibling · 1940 · age 25
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
30 people indexed on this census page (nara:1940:m-t0627-02410-00115)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Herbert Butler | 34 | Head | Driver | New York |
| 2 | Mary Butler | 35 | Wife | — | Newfoundland |
| 3 | Hans Ivers | 54 | Head | Sailor | Norway |
| 4 | Bettine Ivers | 52 | Wife | — | Norway |
| 5 | Erling Ivers | 30 | Son | Sailor | Norway |
| 6 | Alane Ivers | 25 | Son | Sailor | Norway |
| 7 | Gunhild Ivers | 23 | Son | New Worker | Norway |
| 8 | Hans Ivers | 22 | Son | Clerk | Norway |
| 9 | Kristine Ivers | 20 | Daughter | Clerk | Norway |
| 10 | Carl Ivers | 19 | Son | Laborer | Norway |
| 11 | Einar Ivers | 15 | Son | New Worker | Norway |
| 12 | Frank Ivers | 13 | Son | — | Norway |
| 13 | Mary Regan | 59 | Head | — | Ireland |
| 14 | James Regan | 31 | Son | Foreman | New Jersey |
| 15 | Ellen Regan | 29 | Daughter | Operator | New Jersey |
| 16 | John Regan | 28 | Son | Clerk | New Jersey |
| 17 | Richard Regan | 25 | Son | Laborer | New Jersey |
| 18 | Mary Regan THIS PERSON | 24 | Daughter | Operator | New Jersey |
| 19 | Anne Regan | 23 | Daughter | Operator | New Jersey |
| 20 | Agnes Regan | 21 | Daughter | Operator | New Jersey |
| 21 | Johanna Regan | 18 | Daughter | — | New Jersey |
| 22 | Sophie Fagel | 67 | Head | — | New York |
| 23 | Henry Fagel | 45 | Son | Publicity | New Jersey |
| 24 | Anna Fagel | 40 | Daughter | Teacher | New Jersey |
| 25 | Annetta Fagel | 38 | Daughter | Teacher | New Jersey |
| 26 | Anton Leifhuty | 35 | Head | Operator | Germany |
| 27 | Dora Leifhuty | 34 | Wife | — | Germany |
| 28 | Marion Leifhuty | 5 | Daughter | — | New Jersey |
| 29 | Christian Schurr | 73 | Head | Watchman | Germany |
| 30 | Marie Schurr | 70 | Housekeeper | Housekeeper | New York |
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)