JC
John Conroy — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Essex-County, New Jersey
Our Model Tree links this John Conroy across the 1930 and 1940 US Censuses in Essex-County, New Jersey (XGBoost, ~Confirmed) — first a son (b.~1926), then head of a 8-person household.
Age 14
b. ~1926
Male
Son
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Essex-County, New Jersey |
| Surname | Conroy |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Newark City |
| 1935 Residence (County) | Essex |
| Additional Details | |
| Highest Grade | S 6 |
| 1935 Residence | Same Place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Township / Ward | Newark City |
| Est. Birth Year | ~1926 |
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 |
|---|---|---|---|---|
| Thomas Conroy | Son | — | 12 | ~1928 |
| Robert Conroy | Son | — | 9 | ~1931 |
| John Conroy | Son | — | 14 | ~1926 |
| James Conroy | Son | — | 16 | ~1924 |
| Jerome Conroy | Son | — | 2 | ~1938 |
| Bernard Conroy | Son | — | 10 | ~1930 |
| Bernard Conroy | Head | — | 41 | ~1899 |
| Marie Conroy | Spouse | — | 35 | ~1905 |
Census Appearances
1930
Essex, New …
Son, age 4
Essex, New Jersey · implied b. ~1926 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Conroy |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Essex-County, New …
Son, age 14
Essex-County, New Jersey · implied b. ~1926 — 8 household members
| Surname | Conroy |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Newark City |
| 1935 Residence (County) | Essex |
| Highest Grade | S 6 |
| 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 Conroy across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Conroy
Son · 1940 · age 14 · b. ~1926 · New Jersey
★ You are viewing this record
Sibling
Jerome Conroy
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Conroy
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Conroy
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Conroy
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bernard Conroy
Sibling · 1940 · age 10
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 — Essex-County, New Jersey
Open full size
1940 US Federal Census — Essex-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02424-00231)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Hazel Wadsworth | 8 | Daughter | — | New Jersey |
| 42 | William Jr. Wadsworth | 6 | Son | — | New Jersey |
| 43 | Carol Wadsworth | 1 | Daughter | — | New Jersey |
| 44 | Edward Angster | 29 | Head | Civil Engineer | New Jersey |
| 45 | Lillian Angster | 26 | Wife | — | New Jersey |
| 46 | Edward Angster | 6 | Son | — | New Jersey |
| 47 | Gwen Angster | 5 | Daughter | — | New Jersey |
| 48 | Patricia Angster | 3 | Daughter | — | New Jersey |
| 49 | Charles Keczko | 53 | Head | Carpenter | Poland |
| 50 | Anna Keczko | 45 | Wife | — | Poland |
| 51 | Stanley Keczko | 22 | Son | Factory Helper | New Jersey |
| 52 | Clara Keczko | 19 | Daughter | Cigar Maker | New Jersey |
| 53 | Jessie Keczko | 16 | Daughter | — | New Jersey |
| 54 | Stefanie Keczko | 9 | Daughter | — | New Jersey |
| 55 | Bernard Conroy | 41 | Head | Laborer | New York |
| 56 | Marie Conroy | 35 | Wife | — | New Jersey |
| 57 | James Conroy | 16 | Son | — | New Jersey |
| 58 | John Conroy THIS PERSON | 14 | Son | — | New Jersey |
| 59 | Thomas Conroy | 12 | Son | — | New Jersey |
| 60 | Bernard Jr. Conroy | 10 | Son | — | New Jersey |
| 61 | Robert Conroy | 9 | Son | — | New Jersey |
| 62 | Jerome Conroy | 2 | Son | — | New Jersey |
| 63 | John Kalosy | 61 | Head | — | Hungary |
| 64 | Matylda Kalosy | 56 | Wife | — | Moravia |
| 65 | John Kalosy | 28 | Son | — | New Jersey |
| 66 | Elizabeth Kalosy | 25 | Daughter | Stenographer | Florida |
| 67 | Violette Kalosy | 22 | Daughter | Stenographer | Pennsylvania |
| 68 | Winslow Kalosy | 19 | Son | Office Clerk | Pennsylvania |
| 69 | Hulford Kalosy | 18 | Son | — | New Jersey |
| 70 | Hortense Kalosy | 16 | Daughter | — | New Jersey |
| 71 | Joseph E. Walsh | 39 | Head | Truck Driver | New York |
| 72 | Marion Walsh | 32 | Wife | — | New Jersey |
| 73 | Frances Walsh | 1 | Daughter | — | New Jersey |
| 74 | Charles Luddy | 39 | Head | Bank Clerk | New Jersey |
| 75 | Johanna Luddy | 33 | Wife | Stenographer | New Jersey |
| 76 | Nicholas Maddalone | 28 | Head | Barber | New Jersey |
| 77 | Rose Maddalone | 27 | Wife | — | Italy |
| 78 | Marie Maddalone | 1 | Daughter | — | New Jersey |
| 79 | Frank Kress | 25 | Head | Mechanic | New Jersey |
| 80 | Rose Kress | 22 | Wife | — | 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)