MH
Mary Haggerty — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Hudson-County, New Jersey
Our Model Tree links this Mary Haggerty 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 | HAGGERTY |
| Given Name | MARY |
| Relationship to Head | DAUGHTER |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | NEW JERSEY |
| 1935 Residence (City) | HOBOKEN |
| 1935 Residence (County) | HUDSON |
| Additional Details | |
| Occupation | TELEPHONE OPERATOR |
| Industry | TELEPHONE CO |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 242 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Telephone Operator |
| Township / Ward | Hoboken |
| 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 |
|---|---|---|---|---|
| Dennis Haggerty | Son | — | 14 | ~1926 |
| Margaret Haggerty | Spouse | — | 52 | ~1888 |
| Helen Haggerty | Daughter | — | 22 | ~1918 |
| Margaret Haggerty | Daughter | — | 17 | ~1923 |
| Mary Haggerty | Daughter | — | 19 | ~1921 |
| Joseph Haggerty | Son | — | 24 | ~1916 |
| Denis Haggerty | Head | — | 60 | ~1880 |
| Mary Aldoratta | Other | — | 64 | ~1876 |
Census Appearances
1930
Hudson, New …
Daughter, age 9
Hudson, New Jersey · implied b. ~1921 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Haggerty |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Ireland |
| 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 19
Hudson-County, New Jersey · implied b. ~1921 — 8 household members
| Surname | HAGGERTY |
| Given Name | MARY |
| Relationship to Head | DAUGHTER |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | NEW JERSEY |
| 1935 Residence (City) | HOBOKEN |
| 1935 Residence (County) | HUDSON |
| Occupation | TELEPHONE OPERATOR |
| Industry | TELEPHONE CO |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 242 |
| Highest Grade | Hs 4 |
| 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 Haggerty across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Haggerty
Daughter · 1940 · age 19 · b. ~1921 · New Jersey
★ You are viewing this record
Sibling
Dennis Haggerty
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Haggerty
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Haggerty
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Haggerty
Sibling · 1940 · age 22
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-t0627-02349-00614)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ann Loftus | 24 | DAUGHTER | Packer | NEW JERSEY |
| 42 | Lino Ferrante | 43 | HEAD | — | ITALY |
| 43 | Joseph Ferrante | 43 | BROTHER | — | ITALY |
| 44 | Valentine Smith | 38 | HEAD | Barber | YUGOSLAVIA |
| 45 | Mary Smith | 37 | WIFE | Maker | NEW YORK |
| 46 | Marion Smith | 13 | DAUGHTER | — | NEW JERSEY |
| 47 | Anna Smith | 10 | DAUGHTER | — | NEW JERSEY |
| 48 | Joan Smith | 2 | DAUGHTER | — | NEW JERSEY |
| 49 | Olaf Holmes | 70 | HEAD | — | SWEDEN |
| 50 | Mathilda Holmes | 53 | WIFE | — | FINLAND |
| 51 | Herbert Holmes | 23 | SON | Office Boy | NEW JERSEY |
| 52 | Arline Holmes | 1 | GRAND DAUGHTER | — | NEW JERSEY |
| 53 | Theodore Mc Gorty | 57 | HEAD | — | EIRE |
| 54 | Mary Mc Gorty | 46 | WIFE | — | EIRE |
| 55 | Patrick Mc Gorty | 23 | SON | Checker | NEW JERSEY |
| 56 | John Mc Gorty | 22 | SON | Secretary | NEW JERSEY |
| 57 | Thaddeus Mc Gorty | 19 | SON | Brakeman | NEW JERSEY |
| 58 | Catherine Mc Gorty | 18 | DAUGHTER | Messenger | NEW JERSEY |
| 59 | Mary Mc Gorty | 16 | DAUGHTER | — | NEW JERSEY |
| 60 | Andrew Mc Gorty | 15 | SON | — | NEW JERSEY |
| 61 | James Mc Gorty | 11 | SON | — | NEW JERSEY |
| 62 | Isabella Mc Gorty | 10 | DAUGHTER | — | NEW JERSEY |
| 63 | Ann Mc Gorty | 7 | DAUGHTER | — | NEW JERSEY |
| 64 | Francis Mc Gorty | 5 | SON | — | NEW JERSEY |
| 65 | Catherine Ferry | 80 | MOTHER IN LAW | — | EIRE |
| 66 | Denis Haggerty | 60 | HEAD | — | EIRE |
| 67 | Margaret Haggerty | 52 | WIFE | Fireman | NEW JERSEY |
| 68 | Joseph Haggerty | 24 | SON | — | NEW JERSEY |
| 69 | Helen Haggerty | 22 | DAUGHTER | Sexton | NEW JERSEY |
| 70 | Mary Haggerty THIS PERSON | 19 | DAUGHTER | Telephone Operator | NEW JERSEY |
| 71 | Margaret Haggerty | 17 | DAUGHTER | Clerk | NEW JERSEY |
| 72 | Dennis Haggerty | 14 | SON | — | NEW JERSEY |
| 73 | Mary Aldoratta | 64 | SISTER IN LAW | — | NEW JERSEY |
| 74 | William Muller | 53 | HEAD | Matron | GERMANY |
| 75 | Emma Muller | 50 | WIFE | Seaman | GERMANY |
| 76 | Ludwie Nowaczyk | 33 | SON IN LAW | — | GERMANY |
| 77 | Lieselotte Nowaczyk | 24 | DAUGHTER | Bartender | GERMANY |
| 78 | Kurt Orbany | 30 | LODGER | Bookkeeper | GERMANY |
| 79 | Catherine Lally | 70 | HEAD | Bartender | NEW JERSEY |
| 80 | Catherine Lally | 45 | DAUGHTER | Secretary | 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)