JG
James Gallagher — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Union-County, New Jersey
Our Model Tree links this James Gallagher across the 1920, 1930 and 1940 US Censuses in Union-County, New Jersey (XGBoost, ~Confirmed) — first a head (b.~1868), then head of a 3-person household.
Age 72
b. ~1868
Male
Head
Born: Ireland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Union-County, New Jersey |
| Surname | Gallagher |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 72 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | Elizabeth |
| 1935 Residence (County) | Union |
| Naturalization Status | Naturalized |
| Additional Details | |
| Highest Grade | 6 |
| 1935 Residence | Same place |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Township / Ward | Elizabeth |
| Est. Birth Year | ~1868 |
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 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Grace Gallagher | Daughter | — | 32 | ~1908 |
| James Gallagher | Head | — | 72 | ~1868 |
| Francis Gallagher | Son | — | 35 | ~1905 |
Census Appearances
1920
Union, New …
Head, age 53
Union, New Jersey · implied b. ~1867 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gallagher |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1881 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Conductor |
| Industry | Street Car |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Birth Country | Ireland |
| Year of Naturalization | 1900 |
| Birthplace (normalized) | ireland |
1930
Union, New …
Head, age 62
Union, New Jersey · implied b. ~1868 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gallagher |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 62 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1881 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Watchman |
| Industry | Sewing Mach |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Value / Rent | 7000 |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
Union-County, New …
Head, age 72
Union-County, New Jersey · implied b. ~1868 — 3 household members
| Surname | Gallagher |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 72 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | Elizabeth |
| 1935 Residence (County) | Union |
| Naturalization Status | Naturalized |
| Highest Grade | 6 |
| 1935 Residence | Same place |
| 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 James Gallagher across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Gallagher
Head · 1940 · age 72 · b. ~1868 · New Jersey
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Union-County, New Jersey
Open full size
1940 US Federal Census — Union-County, New Jersey
Page Contents
36 people indexed on this census page (nara:1940:m-t0627-02399-00315)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John Krug | 46 | Head | Mechanic | New Jersey |
| 42 | Ellen Krug | 46 | Wife | — | New Jersey |
| 43 | Wallace Krug | 15 | Son | — | New Jersey |
| 44 | Robert Krug | 12 | Son | — | New Jersey |
| 45 | Richard Krug | 7 | Son | — | New Jersey |
| 46 | Mary A. Krug | 49 | Head | Clerical | New Jersey |
| 47 | L. Belle Krug | 51 | Sister | — | New Jersey |
| 48 | Augusta Engesser | 56 | Head | — | New York |
| 49 | Geo. H. Otto | 33 | Head | Pipe-Fitter | New Jersey |
| 50 | Susan Otto | 31 | Wife | — | Pennsylvania |
| 51 | Mary Ann Otto | 2 | Daughter | — | New Jersey |
| 52 | Raymond Otto | 27 | Brother | Attendant | New Jersey |
| 53 | James Wilson | 60 | Head | Tile-Roofer | Scotland |
| 54 | Margaret Wilson | 60 | Wife | — | Scotland |
| 55 | Margaret Wilson | 23 | Daughter | Secretary | New Jersey |
| 56 | James Gallagher THIS PERSON | 72 | Head | — | Ireland |
| 57 | Francis J. Gallagher | 35 | Son | Hotel Clerk | New Jersey |
| 58 | Grace M. Gallagher | 32 | Daughter | Stenographer | New Jersey |
| 59 | Angelo Esposito | 40 | Head | Blacksmith | Italy |
| 60 | Christine Esposito | 38 | Wife | — | Italy |
| 61 | Frances Esposito | 16 | Daughter | — | Italy |
| 62 | Mary Esposito | 9 | Daughter | — | New Jersey |
| 63 | Mary Ann Caruso | 68 | Mother-in-law | — | Italy |
| 64 | Henry Keeloff | 55 | Head | — | New York |
| 65 | Catherine Keeloff | 56 | Wife | — | New Jersey |
| 66 | Robert Keeloff | 27 | Son | — | New Jersey |
| 67 | Peter Simon | 49 | Head | Machinist | New Jersey |
| 68 | Margaret Simon | 43 | Wife | — | New Jersey |
| 69 | Margaret Simon | 22 | Daughter | Sales-Lady | New Jersey |
| 70 | Peter Simon | 18 | Son | — | New Jersey |
| 71 | John N. Frey | 48 | Head | Machinist | New Jersey |
| 72 | Edith Frey | 49 | Wife | — | New Jersey |
| 73 | Katherine Frey | 23 | Daughter | Hand-Sewer | New Jersey |
| 74 | Stephen Hedderick | 59 | Head | Practical Nurse | New Jersey |
| 75 | Josephine Hedderick | 55 | Sister | Sales-Lady | New Jersey |
| 76 | Gertrude Hedderick | 47 | Sister | Music Teacher | 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)