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Mary Mayer — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Union-County, New Jersey
Our Model Tree links this Mary Mayer across the 1930 and 1940 US Censuses in Union-County, New Jersey (XGBoost, ~Confirmed) — first a daughter (b.~1925), then head of a 6-person household.
Age 15
b. ~1925
Female
Daughter
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Union-County, New Jersey |
| Surname | Mayer |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Kenilworth borough |
| 1935 Residence (County) | Union |
| Additional Details | |
| Highest Grade | Hs 3 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Township / Ward | Kenilworth Borough |
| 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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Mayer | Daughter | — | 15 | ~1925 |
| Veronica Mayer | Daughter | — | 23 | ~1917 |
| John Mayer | Head | — | 49 | ~1891 |
| Edward Mayer | Son | — | 18 | ~1922 |
| William Mayer | Son | — | 27 | ~1913 |
| Joseph Mayer | Son | — | 21 | ~1919 |
Census Appearances
1930
Union, New …
Daughter, age 4
Union, New Jersey · implied b. ~1926 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Meyer |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Union-County, New …
Daughter, age 15
Union-County, New Jersey · implied b. ~1925 — 6 household members
| Surname | Mayer |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Kenilworth borough |
| 1935 Residence (County) | Union |
| Highest Grade | Hs 3 |
| 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 Mary Mayer across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Mayer
Daughter · 1940 · age 15 · b. ~1925 · New Jersey
★ You are viewing this record
Sibling
Veronica Mayer
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Mayer
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Mayer
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Mayer
Sibling · 1940 · age 27
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
40 people indexed on this census page (nara:1940:m-t0627-02386-00027)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Nellie Szuta | 45 | Wife | Finisher | Poland |
| 2 | Frank Szuta | 22 | Daughter | Homework | New Jersey |
| 3 | Martha Szuta | 21 | Daughter | — | New Jersey |
| 4 | Edward Szuta | 20 | Son | Pipe Fitters Helper | New Jersey |
| 5 | Benjamin Szuta | 13 | Son | In School | New Jersey |
| 6 | John Mayer | 49 | Head | Slip Covers | New York |
| 7 | William Mayer | 27 | Son | Installation | New Jersey |
| 8 | Veronica Mayer | 23 | Daughter | — | New Jersey |
| 9 | Joseph Mayer | 21 | Son | Mechanic | New Jersey |
| 10 | Edward Mayer | 18 | Son | Laborer | New Jersey |
| 11 | Mary Mayer THIS PERSON | 15 | Daughter | — | New Jersey |
| 12 | Ernest Huck | 32 | Head | Maintenance | Poland |
| 13 | Julia Huck | 28 | Wife | — | Connecticut |
| 14 | Carol Huck | 3 | Daughter | — | New Jersey |
| 15 | Margaret Huck | 1 | Daughter | — | New Jersey |
| 16 | Joseph Luszczynski | 33 | Head | — | Poland |
| 17 | Josephine Luszczynski | 32 | Wife | — | Poland |
| 18 | Mattio Cordella | 70 | Head | — | Italy |
| 19 | Rose Cordella | 64 | Wife | — | Italy |
| 20 | Julia Cordella | 20 | Daughter | Machine Operator | New Jersey |
| 21 | Salvatore Schiano | 43 | Head | Carpenter | Italy |
| 22 | Lena Schiano | 30 | Wife | — | Italy |
| 23 | Louis Schiano | 3 | Son | — | New Jersey |
| 24 | William Martin | 34 | Head | Truck Driver | New Jersey |
| 25 | Helen Martin | 42 | Wife | — | New Jersey |
| 26 | Florence Martin | 22 | Son | Shipping Clerk | New Jersey |
| 27 | James Martin | 20 | Son | Pipe Fitters Helper | New Jersey |
| 28 | James Nolan | 19 | Nephew | Inspector | New Jersey |
| 29 | Charles Innocenti | 40 | Head | Freight Conductor | Italy |
| 30 | Anna Innocenti | 37 | Wife | — | Italy |
| 31 | Mary Innocenti | 17 | Daughter | New Worker | New Jersey |
| 32 | Rose Innocenti | 16 | Daughter | — | New Jersey |
| 33 | Amy Innocenti | 14 | Son | — | New Jersey |
| 34 | A. William Pattit | 53 | Head | Manager | New York |
| 35 | Rena M. Pattit | 49 | Wife | — | Pennsylvania |
| 36 | Donald H. Pattit | 18 | Son | Clerk | New Jersey |
| 37 | Shirley S. Pattit | 12 | Daughter | — | New Jersey |
| 38 | Allen Hundson | 32 | Head | Plumber | New Jersey |
| 39 | Kathryn Hundson | 27 | Wife | — | Pennsylvania |
| 40 | Arthur J. Macdonald | 37 | Head | Tester | Massachusetts |
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)