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Margaret Mahoney — 1930 US Census Record
Model Tree available1930 United States Federal Census · Essex, New Jersey
Our Model Tree links this Margaret Mahoney across the 1920, 1930 and 1940 US Censuses in Essex, New Jersey (XGBoost, ~Confirmed), with identified parents Delia — first a spouse (b.~1900), then head of a 3-person household.
Age 30
b. ~1900
Female
Spouse
Born: New Jersey
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Essex, New Jersey |
| Surname | Mahoney |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | New Jersey |
| Age at First Marriage | W |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Additional Details | |
| Can Read/Write | Yes |
| Home Owned/Rented | No |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Township / Ward | Newark |
| Est. Birth Year | ~1900 |
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.
3 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Patricia Mahoney | Daughter | — | 9 | ~1921 |
| Margaret Mahoney | Spouse | — | 30 | ~1900 |
| Frank Mahoney | Head | — | 35 | ~1895 |
Census Appearances
1920
Essex, New …
Other, age 19
Essex, New Jersey · implied b. ~1901 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mahoney |
| Given Name | Margaret |
| Relationship to Head | Boarder |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Married |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Occupation | Spinner |
| Industry | Thread Wks |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Essex, New …
Spouse, age 30
Essex, New Jersey · implied b. ~1900 — 3 household members
| Surname | Mahoney |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | New Jersey |
| Age at First Marriage | W |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Can Read/Write | Yes |
| Home Owned/Rented | No |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Essex-County, New …
Daughter, age 41
Essex-County, New Jersey · implied b. ~1899 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mahony |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | Newark |
| 1935 Residence (County) | Essex |
| Occupation | Typist |
| Industry | Office |
| Class of Worker | PW |
| Hours Worked | 39 |
| Income (1939) | 656 |
| 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 Mahoney across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Delia Mahony (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Delia Mahony
b. ~1869
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Margaret Mahoney
Spouse · 1930 · age 30 · b. ~1900 · New Jersey
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Essex, New Jersey
Open full size
1930 US Federal Census — Essex, New Jersey
Page Contents
30 people indexed on this census page (ia:1930:newjerseycensus00reel1341:0751)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 71 | Joseph Karmaley | 0 | Son | — | New Jersey |
| 72 | Ilmato Lardine | 50 | Head | Helper | Italy |
| 73 | Mary Lardine | 24 | Daughter | Stenographer | Italy |
| 74 | Vincent Lardine | 15 | Son | — | New Jersey |
| 75 | Gerard Lardine | 20 | Son | Chauffeur | New Jersey |
| 76 | Joseph Lardine | 19 | Son | Clerk | New Jersey |
| 77 | John Gavan | 68 | Head | Fireman | Virginia |
| 78 | Sarah Gavan | 62 | Wife | — | New Jersey |
| 79 | Richard Taylor | 56 | Boarder | Watchman | New York |
| 80 | Annie Mccormack | 56 | Head | — | Irish Free State |
| 81 | John Parker | 34 | Head | Machinist | England |
| 82 | Mary Parker | 32 | Wife | — | New Jersey |
| 83 | Raymond Parker | 8 | Son | — | New Jersey |
| 84 | Harold Parker | 5 | Son | — | New Jersey |
| 85 | Thelma Parker | 3 | Daughter | — | New Jersey |
| 86 | Clifford Parker | 1 | Son | — | New Jersey |
| 87 | Frank Mahoney | 35 | Head | Chauffeur | New Jersey |
| 88 | Margaret Mahoney THIS PERSON | 30 | Wife | — | New Jersey |
| 89 | Patricia Mahoney | 9 | Daughter | — | New Jersey |
| 90 | Charles Cox | 40 | Head | Machinist | Pennsylvania |
| 91 | Caroline Cox | 38 | Wife | — | Pennsylvania |
| 92 | Nicholas Mangia | 23 | Head | Chauffeur | New Jersey |
| 93 | Mary Mangia | 23 | Wife | — | New Jersey |
| 94 | Nicholas Mangia | 1 | Son | — | New Jersey |
| 95 | Grace Mangia | 65 | Mother | — | Italy |
| 96 | Frank Urban | 41 | Head | Machinist | New York |
| 97 | Mary Urban | 43 | Wife | — | Irish Free State |
| 98 | Cecelia Urban | 4 | Daughter | — | New Jersey |
| 99 | George Cox | 35 | Head | Chauffeur | New Jersey |
| 100 | Katherine Cox | 35 | Wife | Cashier | New Jersey |
Pedigree Summary
Margaret
Gen 1 · 1 parents
~0.92
Max depth 4 (1900–1950 window)
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)