JC
John Coughlin — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Hudson, New Jersey
Our Model Tree links this John Coughlin across the 1930 and 1940 US Censuses in Hudson, New Jersey (XGBoost, ~Confirmed) — first a son (b.~1901), then head of a 10-person household.
Age 29
b. ~1901
Male
Son
Born: New Jersey
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Hudson, New Jersey |
| Surname | Coughlin |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Additional Details | |
| Occupation | Plumber |
| Industry | Plumbing |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Plumber |
| Township / Ward | Jersey City |
| Est. Birth Year | ~1901 |
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.
10 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Michael Coughlin | Head | — | 60 | ~1870 |
| Joseph Coughlin | Son | — | 20 | ~1910 |
| Patrick Mahoney | Other | — | 25 | ~1905 |
| John Coughlin | Son | — | 29 | ~1901 |
| Margaret Regan | Other | — | 9 | ~1921 |
| Ellen Coughlin | Spouse | — | 58 | ~1872 |
| Catherine Coughlin | Daughter | — | 25 | ~1905 |
| Margaret Mahoney | Other | — | 25 | ~1905 |
| Edward Coughlin | Son | — | 17 | ~1913 |
| Jeremiah Mahoney | Other | — | 29 | ~1901 |
Census Appearances
1930
Hudson, New …
Son, age 29
Hudson, New Jersey · implied b. ~1901 — 10 household members
| Surname | Coughlin |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Occupation | Plumber |
| Industry | Plumbing |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Union-County, New …
Son, age 40
Union-County, New Jersey · implied b. ~1900 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Coughlan |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Plainfield |
| 1935 Residence (County) | Union |
| Occupation | Plumber |
| Industry | Plumber |
| Class of Worker | PW |
| Hours Worked | 52 |
| Income (1939) | 348 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| 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 Coughlin across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Coughlin
Son · 1930 · age 29 · b. ~1901 · New Jersey
★ You are viewing this record
Sibling
Edward Coughlin
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Coughlin
Sibling · 1930 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Coughlin
Sibling · 1930 · age 20
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
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:newjerseycensus00reel1351:0868)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John Cambio | 28 | Head | Window Cleaner | Poland |
| 2 | Sarah Cambio | 25 | Wife | — | Poland |
| 3 | Anna Cambio | 6 | Daughter | — | New Jersey |
| 4 | Veronica Cambio | 3 | Daughter | — | New Jersey |
| 5 | Mary Cambio | 1 | Daughter | — | New Jersey |
| 6 | John Popovich | 38 | Head | Mechanic | Czechoslovakia |
| 7 | Bertha Popovich | 39 | Wife | — | Czechoslovakia |
| 8 | Mary Popovich | 14 | Daughter | — | New Jersey |
| 9 | John Popovich | 13 | Son | — | New Jersey |
| 10 | George Popovich | 11 | Son | — | New Jersey |
| 11 | Anna Popovich | 6 | Daughter | — | New Jersey |
| 12 | Joseph Popovich | 4 | Son | — | New Jersey |
| 13 | Michael Popovich | 0 | Son | — | New Jersey |
| 14 | George Katz | 41 | Head | Laborer | Greece |
| 15 | Veronica Katz | 30 | Wife | — | Greece |
| 16 | Mary Katz | 13 | Daughter | — | New York |
| 17 | Irene Katz | 12 | Daughter | — | New Jersey |
| 18 | Helen Katz | 9 | Daughter | — | New Jersey |
| 19 | Anna Katz | 7 | Daughter | — | New Jersey |
| 20 | George Katz | 4 | Son | — | New Jersey |
| 21 | John Spudgas | 29 | Head | Laborer | South Carolina |
| 22 | Rebecca Spudgas | 26 | Wife | — | South Carolina |
| 23 | Ernestine Spudgas | 6 | Daughter | — | North Carolina |
| 24 | Thelma Spudgas | 2 | Daughter | — | North Carolina |
| 25 | James Charles | 23 | Head | Cleaner | South Carolina |
| 26 | Jessie Charles | 23 | Wife | — | South Carolina |
| 27 | James Jr. Charles | 2 | Son | — | New Jersey |
| 28 | Bernard Vance | 25 | Head | Laborer | South Carolina |
| 29 | Pearl Vance | 23 | Wife | — | South Carolina |
| 30 | Joseph Rea | 75 | Head | Captain | New Jersey |
| 31 | Josephine Rea | 65 | Wife | — | Germany |
| 32 | Leonard Rea | 32 | Son | Press Man | New Jersey |
| 33 | Richard Rea | 30 | Son | Helper | New Jersey |
| 34 | Joseph Rea | 26 | Son | Chauffeur | New Jersey |
| 35 | Herbert Rea | 28 | Son | Bartender | New Jersey |
| 36 | Helen Rea | 28 | Daughter | — | New Jersey |
| 37 | John Rea | 11 | Grandson | — | New Jersey |
| 38 | Thomas Rea | 7 | Grandson | — | New Jersey |
| 39 | Michael Coughlin | 60 | Head | Watchman | Irish Free State |
| 40 | Ellen Coughlin | 58 | Wife | — | Irish Free State |
| 41 | John Coughlin THIS PERSON | 29 | Son | Plumber | New Jersey |
| 42 | Catherine Coughlin | 25 | Daughter | Book Keeper | New Jersey |
| 43 | Joseph Coughlin | 20 | Son | Car Inspector | New Jersey |
| 44 | Edward Coughlin | 17 | Son | Clerk | New Jersey |
| 45 | Margaret Regan | 9 | Adop. Daughter | — | Pennsylvania |
| 46 | Patrick Mahoney | 25 | Nephew | Laborer | Irish Free State |
| 47 | Jeremiah Mahoney | 29 | Nephew | Laborer | Irish Free State |
| 48 | Margaret Mahoney | 25 | Niece | Clerk | Irish Free State |
| 49 | Mary Mraz | 34 | Head | Cleaner | Czechoslovakia |
| 50 | Anna Mraz | 16 | Daughter | Laborer | 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)