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John Mahoney — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Essex, New Jersey
Our Model Tree links this John Mahoney across the 1920, 1930 and 1940 US Censuses in Essex, New Jersey (XGBoost, ~Confirmed) — first a head (b.~1878), then head of a 3-person household.
Age 52
b. ~1878
Male
Head
Born: New Jersey
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Essex, New Jersey |
| Surname | Mahoney |
| Given Name | John E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | New Jersey |
| Age at First Marriage | 32 |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Additional Details | |
| Occupation | Manager |
| Industry | Service Station |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 15000 |
| Radio Set | R |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Manager |
| Township / Ward | City Of Orange |
| Est. Birth Year | ~1878 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Mary Mahoney | Daughter | — | 17 | ~1913 |
| John Mahoney | Head | — | 52 | ~1878 |
| Rose Mahoney | Spouse | — | 47 | ~1883 |
Census Appearances
1920
Essex, New …
Head, age 40
Essex, New Jersey · implied b. ~1880 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mahoney |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | New Jersey |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Commercial Agent |
| Industry | Insurance Co. |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Essex, New …
Head, age 52
Essex, New Jersey · implied b. ~1878 — 3 household members
| Surname | Mahoney |
| Given Name | John E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | New Jersey |
| Age at First Marriage | 32 |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Occupation | Manager |
| Industry | Service Station |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 15000 |
| Radio Set | R |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Essex-County, New …
Head, age 62
Essex-County, New Jersey · implied b. ~1878 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mahony |
| Given Name | John E |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 62 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | New Jersey |
| 1935 Residence (County) | Essex |
| Hours Worked | 0 |
| Highest Grade | 8 |
| 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 John 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
John Mahoney
Head · 1930 · age 52 · b. ~1878 · 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 — Essex, New Jersey
Open full size
1930 US Federal Census — Essex, New Jersey
Page Contents
50 people indexed on this census page (ia:1930:newjerseycensus00reel1343:0221)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Henry Raphel | 52 | Head | Merchant | Cuba |
| 2 | Donald Raphel | 24 | Son | Salesman | New Jersey |
| 3 | Constance R. Ward | 25 | Daughter | — | New Jersey |
| 4 | Charles J. Jr. Ward | 29 | Son-in-law | Salesman | New Jersey |
| 5 | Charles J. 3Rd Ward | 2 | Son | — | New Jersey |
| 6 | David R. Ward | 0 | Son | — | New Jersey |
| 7 | Herbert W. King | 52 | Head | Gardner | England |
| 8 | Catherine King | 53 | Wife | — | Scotland |
| 9 | Mary W. King | 17 | Daughter | Typist | New York |
| 10 | Lois B. King | 14 | Daughter | — | New Jersey |
| 11 | Amel Fratchen | 34 | Head | Tax Setter | Germany |
| 12 | Anna Fratchen | 32 | Wife | — | New York |
| 13 | Ruth Fratchen | 11 | Daughter | — | New Jersey |
| 14 | John Fratchen | 13 | Son | — | New Jersey |
| 15 | Mary E. Meyers | 53 | Mother-in-law | — | New York |
| 16 | George Wurke | 55 | Head | Gardner | No. Ireland |
| 17 | Sarah Wurke | 40 | Wife | — | No. Ireland |
| 18 | Sally E. Wurke | 21 | Daughter | Operator | Scotland |
| 19 | John E. Mahoney THIS PERSON | 52 | Head | Manager | New Jersey |
| 20 | Rose Mahoney | 47 | Wife | — | New York |
| 21 | Mary K. Mahoney | 17 | Daughter | — | New Jersey |
| 22 | Sigmund Engel | 29 | Head | Manager | New Jersey |
| 23 | Helen Engel | 26 | Wife | — | New York |
| 24 | Myra Engel | 2 | Daughter | — | New Jersey |
| 25 | Ellen Engel | 0 | Daughter | — | New Jersey |
| 26 | Elsie Yates | 23 | Servant | Cook | Germany |
| 27 | Michael Herrington | 74 | Head | Handy-Man | Irish Free State |
| 28 | Thomas Herrington | 70 | Brother | Gardner | Irish Free State |
| 29 | Winifred Peters | 51 | Daughter | — | Irish Free State |
| 30 | Francis Peters | 21 | Nephew | Painter | New Jersey |
| 31 | William Peters | 19 | Nephew | Plumber | New Jersey |
| 32 | Ethel Dangler | 18 | Grandchild | — | New Jersey |
| 33 | Daniel Short | 40 | Head | Painter | Virginia |
| 34 | Sadie Short | 33 | Wife | — | Virginia |
| 35 | John Langford | 35 | Boarder | Printer | No. Carolina |
| 36 | Maynard Fox | 30 | Head | — | Virginia |
| 37 | John Fox | 2 | Son | — | New Jersey |
| 38 | James Wimbrooks | 38 | Head | Driver | No. Carolina |
| 39 | Rosabelle Wimbrooks | 24 | Wife | — | Virginia |
| 40 | James Gilmore | 34 | Boarder | Cook | Virginia |
| 41 | Sarah Gilmore | 24 | Boarder | — | Virginia |
| 42 | Eva Franklin | 38 | Boarder | Domestic | Virginia |
| 43 | William Jones | 25 | Head | Laborer | New Jersey |
| 44 | Mildred Jones | 26 | Wife | — | New York |
| 45 | Catherine Beth | 72 | Head | — | West Indies |
| 46 | Ethel Coyne | 23 | Teacher | Teacher | New York |
| 47 | Lucy Lynch | 29 | Teacher | Teacher | Virginia |
| 48 | Mabel S. Hughes | 49 | Teacher | House-Mother | So. Carolina |
| 49 | M. Lalla Matthews | 60 | Teacher | Teacher | New Jersey |
| 50 | Helen Dunn | 27 | Teacher | Teacher | New Jersey |
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)