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Mary Mahoney — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Hudson, New Jersey
Our Model Tree links this Mary Mahoney across the 1920, 1930 and 1940 US Censuses in Hudson, New Jersey (XGBoost, ~Confirmed) — first a spouse (b.~1866), then head of a 7-person household.
Age 64
b. ~1866
Female
Spouse
Born: Ireland
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Hudson, New Jersey |
| Surname | Mahoney |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 64 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1887 |
| Age at First Marriage | 20 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Township / Ward | Jersey City |
| Est. Birth Year | ~1866 |
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.
7 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Anna O'Connor | Daughter | — | 38 | ~1892 |
| Florence Mahoney | Head | — | 68 | ~1862 |
| Virginia O'Connor | Other | — | 14 | ~1916 |
| Hugh O'Connor | Other | — | 48 | ~1882 |
| Florence O'Connor | Other | — | 17 | ~1913 |
| Frank Mahoney | Son | — | 22 | ~1908 |
| Mary Mahoney | Spouse | — | 64 | ~1866 |
Census Appearances
1920
Hudson, New …
Spouse, age 53
Hudson, New Jersey · implied b. ~1867 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mahoney |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Ireland |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1930
Hudson, New …
Spouse, age 64
Hudson, New Jersey · implied b. ~1866 — 7 household members
| Surname | Mahoney |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 64 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1887 |
| Age at First Marriage | 20 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
Union-County, New …
Head, age 78
Union-County, New Jersey · implied b. ~1862
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Mahony |
| Given Name | Mary E. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 78 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| 1935 Residence (City) | Elizabeth |
| 1935 Residence (County) | Union |
| Naturalization Status | Naturalized |
| Highest Grade | 8 |
| 1935 Residence | Same House |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
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 Mahoney across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Mahoney
Spouse · 1930 · age 64 · b. ~1866 · New Jersey
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Hudson, New Jersey
Open full size
1930 US Federal Census — Hudson, New Jersey
Page Contents
50 people indexed on this census page (ia:1930:newjerseycensus00reel1353:1011)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William Mccarran | 73 | Head | Carpenter | Scotland |
| 2 | Jane Mccarran | 74 | Wife | — | Scotland |
| 3 | William Jr Mccarran | 41 | Son | Carpenter | Scotland |
| 4 | Jean Mccarran | 38 | Daughter | Insurance | Scotland |
| 5 | Edward Mccarran | 26 | Son | Consolidated | New Jersey |
| 6 | Jessie R Tippett | 50 | Head | Clerk | United States |
| 7 | Mary Tippett | 49 | Wife | — | New Jersey |
| 8 | Frank Sanborn | 77 | Father | Retired | New Hampshire |
| 9 | Frank P Beckman | 70 | Roomer | Marine | Norway |
| 10 | Ethel Wardrop | 36 | Boarder | Secretary | New Jersey |
| 11 | James Mc Caffrey | 67 | Head | Proprietor | Scotland |
| 12 | Kathryn Mc Caffrey | 59 | Wife | — | England |
| 13 | Joseph Mc Caffrey | 27 | Son | Attorney At Law | New Jersey |
| 14 | Emma Gordy | 40 | Head | Bookkeeper | New Jersey |
| 15 | Emma Snook | 70 | Aunt | — | New Jersey |
| 16 | Sylvester Richard | 37 | Roomer | Trolley | New York |
| 17 | Bernard Duffhus | 59 | Roomer | Teacher | New York |
| 18 | Florence Mahoney | 68 | Head | Watchman | Ireland |
| 19 | Mary Mahoney THIS PERSON | 64 | Wife | — | Ireland |
| 20 | Frank Mahoney | 22 | Son | Boiler Room | New Jersey |
| 21 | Hugh O'Connor | 48 | Son-in-law | Lieutenant | New Jersey |
| 22 | Anna O'Connor | 38 | Daughter | — | Massachusetts |
| 23 | Florence O'Connor | 17 | Grandchild | — | New Jersey |
| 24 | Virginia O'Connor | 14 | Grandchild | — | New Jersey |
| 25 | Louis Flanagan | 31 | Head | Accountant | New York |
| 26 | Grace Flanagan | 27 | Wife | — | New York |
| 27 | Patricia Flanagan | 1 | Daughter | — | Ohio |
| 28 | Charles G Wilson | 65 | Head | Salesman | New Jersey |
| 29 | Fannie E Wilson | 62 | Wife | — | New Jersey |
| 30 | Harry A Gillette | 58 | Head | Sexton | New York |
| 31 | Nellie Gillette | 44 | Wife | — | Missouri |
| 32 | Claire Gillette | 18 | Daughter | — | New York |
| 33 | Harry Jr Gillette | 10 | Son | — | New Jersey |
| 34 | Howard Venables | 39 | Head | Case Maker | England |
| 35 | Annie Venables | 38 | Wife | Supt | England |
| 36 | Doris M Venables | 17 | Daughter | Collector | New Hampshire |
| 37 | Daisy May Venables | 14 | Daughter | — | Connecticut |
| 38 | Mother Indy | 69 | Mother | — | England |
| 39 | Alday Gautier | 7 | Niece | — | Ireland |
| 40 | Ruby Venables | 28 | Sister | — | England |
| 41 | Harold S Corran | 31 | Head | Sales Manager | New Jersey |
| 42 | Bessie Corran | 28 | Wife | — | New Jersey |
| 43 | Melville Roderman | 56 | Head | Salesman | New York |
| 44 | Helen G Roderman | 55 | Wife | — | Germany |
| 45 | Melville P Jr Roderman | 21 | Son | Broker | New York |
| 46 | Willis Sherman Lee | 65 | Head | Ticket Agent | Connecticut |
| 47 | Elizabeth Lee | 57 | Wife | — | New Jersey |
| 48 | Octavio J Whitford | 32 | Head | Accountant | New Jersey |
| 49 | Frances Whitford | 29 | Wife | Secretary | New Jersey |
| 50 | Johanna Hausloff | 77 | Head | — | Germany |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)