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John Reilly — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Union-County, New Jersey
Our Model Tree links this John Reilly across the 1930 and 1940 US Censuses in Union-County, New Jersey (XGBoost, ~Confirmed) — first a son (b.~1925), then head of a 8-person household.
Age 15
b. ~1925
Male
Son
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Union-County, New Jersey |
| Surname | Reilly |
| Given Name | John |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Elizabeth city |
| 1935 Residence (County) | Union |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | H-1 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Township / Ward | Elizabeth City |
| Est. Birth Year | ~1925 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Marie Reilly | Daughter | — | 5 | ~1935 |
| Dolores Reilly | Daughter | — | 3 | ~1937 |
| Joan Reilly | Daughter | — | 7 | ~1933 |
| George Reilly | Head | — | 38 | ~1902 |
| John Reilly | Son | — | 15 | ~1925 |
| Raymond Reilly | Son | — | 9 | ~1931 |
| George Reilly | Son | — | 13 | ~1927 |
| Marie Reilly | Spouse | — | 38 | ~1902 |
Census Appearances
1930
Union, New …
Son, age 4
Union, New Jersey · implied b. ~1926 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Riley |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Connecticut |
| Mother's Birthplace | New Jersey |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Union-County, New …
Son, age 15
Union-County, New Jersey · implied b. ~1925 — 8 household members
| Surname | Reilly |
| Given Name | John |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Elizabeth city |
| 1935 Residence (County) | Union |
| Income (1939) | 0 |
| Highest Grade | H-1 |
| 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 Reilly across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Reilly
Son · 1940 · age 15 · b. ~1925 · New Jersey
★ You are viewing this record
Sibling
Dolores Reilly
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Raymond Reilly
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marie Reilly
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joan Reilly
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Reilly
Sibling · 1940 · age 13
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
1940 US Federal Census — Union-County, New Jersey
Open full size
1940 US Federal Census — Union-County, New Jersey
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-02400-00005)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Martha Mcternan | 76 | Head | — | New Jersey |
| 2 | Helen Mcternan | 38 | daughter | Salesgirl | New Jersey |
| 3 | Florence Macker | 52 | daughter | — | New Jersey |
| 4 | Robert Macker | 18 | son | — | New Jersey |
| 5 | George Tang | 19 | roomer | Laborer | Philadelphia |
| 6 | James Wilson | 71 | Head | Superintendent | New Jersey |
| 7 | Frances Wilson | 44 | wife | Bookkeeper | New Jersey |
| 8 | Lizzie Wilson | 78 | sister | — | New Jersey |
| 9 | George Posner | 70 | Head | Steam Fitter | New Jersey |
| 10 | Freda Posner | 67 | wife | — | New Jersey |
| 11 | Howard Posner | 27 | son | Handyman | New Jersey |
| 12 | Margaret Macleod | 53 | Head | — | New Jersey |
| 13 | William Kelley | 36 | nephew | Laborer | New York |
| 14 | August Spitzberger | 44 | Head | Florist | New Jersey |
| 15 | Agnes Spitzberger | 37 | wife | — | New Jersey |
| 16 | Marion Spitzberger | 11 | daughter | — | New Jersey |
| 17 | Janet Spitzberger | 9 | daughter | — | New Jersey |
| 18 | August Spitzberger | 0 | son | — | New Jersey |
| 19 | Edward Ulrich | 70 | father | Stock Clerk | New Jersey |
| 20 | Joseph Tang | 44 | Head | Truck Repair | New Jersey |
| 21 | Emilia Tang | 70 | mother | — | Poland |
| 22 | Henry Walker | 60 | Head | Handyman | Switzerland |
| 23 | Alice Walker | 52 | wife | — | Switzerland |
| 24 | Russell Wilday | 42 | Head | Mechanist | New Jersey |
| 25 | Gertrude Wilday | 39 | wife | — | New Jersey |
| 26 | George Wilday | 10 | son | — | New Jersey |
| 27 | Frank Posner | 32 | Brother | Gardner | New Jersey |
| 28 | Melvin Wright | 33 | Head | Superintendent | New Jersey |
| 29 | Alice Wright | 57 | mother | Caretaker | New Jersey |
| 30 | George Reilly | 38 | Head | Pipe Fitter | New Jersey |
| 31 | Marie Reilly | 38 | wife | — | New Jersey |
| 32 | John Reilly THIS PERSON | 15 | son | — | New Jersey |
| 33 | George Reilly | 13 | son | — | New Jersey |
| 34 | Raymond Reilly | 9 | son | — | New Jersey |
| 35 | Joan Reilly | 7 | daughter | — | New Jersey |
| 36 | Marie Reilly | 5 | daughter | — | New Jersey |
| 37 | Dolores Reilly | 3 | daughter | — | New Jersey |
| 38 | Samuel Townley | 55 | Head | Shipping Clerk | New Jersey |
| 39 | Agnes Townley | 47 | wife | — | Pennsylvania |
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)