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John Dyer — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Mercer-County, New Jersey
Our Model Tree links this John Dyer across the 1930 and 1940 US Censuses in Mercer-County, New Jersey (XGBoost, ~Confirmed) — first a son (b.~1921), then head of a 7-person household.
Age 19
b. ~1921
Male
Son
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Mercer-County, New Jersey |
| Surname | Dyer |
| Given Name | John |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Hamilton |
| 1935 Residence (County) | Mercer |
| Additional Details | |
| Occupation | Stenographer |
| Industry | U.S. FIELD ARTILLERY |
| Class of Worker | GW |
| Hours Worked | 39 |
| Income (1939) | 676 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Stenographer |
| Township / Ward | Hamilton |
| Est. Birth Year | ~1921 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Charlotte Dyer | Spouse | — | 44 | ~1896 |
| John Dyer | Head | — | 54 | ~1886 |
| Robert Dyer | Son | — | 16 | ~1924 |
| Madaline Dyer | Daughter | — | 14 | ~1926 |
| Raella Dyer | Daughter | — | 8 | ~1932 |
| Charlotte Dyer | Daughter | — | 17 | ~1923 |
| John Dyer | Son | — | 19 | ~1921 |
Census Appearances
1930
Mercer, New …
Son, age 9
Mercer, New Jersey · implied b. ~1921 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dyer |
| Given Name | John C Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Mercer-County, New …
Son, age 19
Mercer-County, New Jersey · implied b. ~1921 — 7 household members
| Surname | Dyer |
| Given Name | John |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Hamilton |
| 1935 Residence (County) | Mercer |
| Occupation | Stenographer |
| Industry | U.S. FIELD ARTILLERY |
| Class of Worker | GW |
| Hours Worked | 39 |
| Income (1939) | 676 |
| Highest Grade | Hs 4 |
| 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 Dyer across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Dyer
Son · 1940 · age 19 · b. ~1921 · New Jersey
★ You are viewing this record
Sibling
Robert Dyer
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Raella Dyer
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Madaline Dyer
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charlotte Dyer
Sibling · 1940 · age 17
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 — Mercer-County, New Jersey
Open full size
1940 US Federal Census — Mercer-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02356-00383)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Catherine Van Kirk | 30 | daughter | Laborer | New Jersey |
| 2 | Walter Vollmer | 52 | Head | Machinist | New Jersey |
| 3 | Alma Vollmer | 51 | Wife | — | New Jersey |
| 4 | Warren Vollmer | 22 | son | Braider | New Jersey |
| 5 | Ann Kenworthy | 73 | mother in law | — | England |
| 6 | Harry Moses | 43 | Head | Electrician | New Jersey |
| 7 | Irene Moses | 40 | Wife | — | New Jersey |
| 8 | Marion Greene | 49 | Head | — | New Jersey |
| 9 | Ruth Stanzak | 30 | daughter | Inspector | New Jersey |
| 10 | Donald Stanzak | 4 | son | — | New Jersey |
| 11 | Marvin Rush | 21 | son | Pressman | New Jersey |
| 12 | Lois Rush | 22 | daughter | Stenographer | New Jersey |
| 13 | Alex. Wilson | 54 | Head | Loader | Scotland |
| 14 | Susie Wilson | 51 | Wife | — | New Jersey |
| 15 | John Wilson | 31 | son | Trucker | New Jersey |
| 16 | William Wilson | 21 | son | Road Construction | New Jersey |
| 17 | Jean Wilson | 14 | daughter | — | New Jersey |
| 18 | Elsie Lanning | 28 | daughter | 52 | New Jersey |
| 19 | Kenneth Lanning | 5 | son | — | New Jersey |
| 20 | Jacob Mccabe | 80 | father in law | — | New Jersey |
| 21 | Frank Rooney | 42 | Head | Gardener | New Jersey |
| 22 | Catherine Rooney | 37 | Wife | Foreman | Scotland |
| 23 | Donald Rooney | 16 | son | — | New Jersey |
| 24 | Francis Rooney | 14 | son | — | New Jersey |
| 25 | William Rooney | 12 | son | — | New Jersey |
| 26 | Shirley Rooney | 10 | daughter | — | New Jersey |
| 27 | David Rooney | 7 | son | — | New Jersey |
| 28 | Francis Patton | 63 | father in law | Stationary Engineer | Scotland |
| 29 | Pauline Paine | 20 | Head | Proprietor | Virginia |
| 30 | Alma Paine | 4 | daughter | — | New Jersey |
| 31 | Orey Michael | 55 | father | Handy Man | Virginia |
| 32 | Lily Michael | 54 | mother | — | Virginia |
| 33 | Samuel Herman | 27 | lodger | Saleskeeper | New York |
| 34 | John Dyer | 54 | Head | Patternmaker | New York |
| 35 | Charlotte Dyer | 44 | Wife | — | Pennsylvania |
| 36 | John Dyer THIS PERSON | 19 | son | Stenographer | New Jersey |
| 37 | Charlotte Dyer | 17 | daughter | — | Pennsylvania |
| 38 | Robert Dyer | 16 | son | — | New Jersey |
| 39 | Madaline Dyer | 14 | daughter | — | New Jersey |
| 40 | Raella Dyer | 8 | daughter | — | 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)