JF
John Fletcher — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Mercer-County, New Jersey
Our Model Tree links this John Fletcher across the 1930 and 1940 US Censuses in Mercer-County, New Jersey (XGBoost, ~Confirmed) — first a son (b.~1926), then head of a 11-person household.
Age 14
b. ~1926
Male
Son
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Mercer-County, New Jersey |
| Surname | Fletcher |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Trenton City |
| 1935 Residence (County) | Mercer |
| Additional Details | |
| Industry | 0 |
| Class of Worker | 0 |
| Highest Grade | No 6 |
| 1935 Residence | Same Place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Township / Ward | Trenton 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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Margaret Fletcher | Daughter | — | 9 | ~1931 |
| Helen Fletcher | Daughter | — | 10 | ~1930 |
| Anne Fletcher | Daughter | — | 12 | ~1928 |
| George Fletcher | Head | — | 44 | ~1896 |
| George Fletcher | Son | — | 18 | ~1922 |
| Helen Fletcher | Son | — | 7 | ~1933 |
| Henry Fletcher | Son | — | 15 | ~1925 |
| Patrick Fletcher | Son | — | 5 | ~1935 |
| John Fletcher | Son | — | 14 | ~1926 |
| Joseph Fletcher | Son | — | 2 | ~1938 |
| Mable Fletcher | Spouse | — | 38 | ~1902 |
Census Appearances
1930
Mercer, New …
Other, age 3
Mercer, New Jersey · implied b. ~1927 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Fletcher |
| Given Name | John |
| Relationship to Head | Grandson |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Occupation | none |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Mercer-County, New …
Son, age 14
Mercer-County, New Jersey · implied b. ~1926 — 11 household members
| Surname | Fletcher |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Trenton City |
| 1935 Residence (County) | Mercer |
| Industry | 0 |
| Class of Worker | 0 |
| Highest Grade | No 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 Fletcher across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Fletcher
Son · 1940 · age 14 · b. ~1926 · New Jersey
★ You are viewing this record
Sibling
Helen Fletcher
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anne Fletcher
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Fletcher
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Fletcher
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patrick Fletcher
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Henry Fletcher
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Fletcher
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Fletcher
Sibling · 1940 · age 2
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-t0627-02435-00272)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | George Chmielewski | 50 | Head | Labour | Poland |
| 42 | Felicia Chmielewski | 45 | Wife | — | Poland |
| 43 | George Chmielewski | 25 | Son | Labour | New Jersey |
| 44 | Alex Chmielewski | 21 | Son | Labour | New Jersey |
| 45 | Victoria Chmielewski | 20 | Daughter | Labour | New Jersey |
| 46 | Stanley Chmielewski | 15 | Son | — | New Jersey |
| 47 | Victor Rymarski | 50 | Head | Labour | Poland |
| 48 | Helen Rymarski | 49 | Wife | — | Poland |
| 49 | Frank Rymarski | 27 | Son | Labour | New Jersey |
| 50 | Adam Rymarski | 22 | Son | Wood Cutter | New Jersey |
| 51 | Helen Rymarski | 20 | Daughter | — | — |
| 52 | Victor Rymarski | 18 | Son | Panel Board Operator | New Jersey |
| 53 | Stella Rymarski | 16 | Daughter | Domestic Worker | New Jersey |
| 54 | Alex Rymarski | 14 | Son | — | New Jersey |
| 55 | Bertha Rymarski | 9 | Daughter | — | New Jersey |
| 56 | Joseph Pietras | 47 | Head | Labour | Poland |
| 57 | Mary Pietras | 35 | Wife | — | Pennsylvania |
| 58 | Catherine Pietras | 19 | Daughter | Labour | New Jersey |
| 59 | Stanley Pietras | 18 | Son | Tree Planter | New Jersey |
| 60 | Helen Pietras | 16 | Daughter | Domestic Worker | New Jersey |
| 61 | Joseph Pietras | 15 | Son | Pin Boy | New Jersey |
| 62 | John Pietras | 13 | Son | — | New Jersey |
| 63 | Adele Pietras | 8 | Daughter | — | New Jersey |
| 64 | George Fletcher | 44 | Head | Labour | New Jersey |
| 65 | Mable Fletcher | 38 | Wife | — | New Jersey |
| 66 | George Jr Fletcher | 18 | Son | Labour | New Jersey |
| 67 | Henry Fletcher | 15 | Son | Paper Route | New Jersey |
| 68 | John Fletcher THIS PERSON | 14 | Son | — | New Jersey |
| 69 | Anne Fletcher | 12 | Daughter | — | New Jersey |
| 70 | Helen Fletcher | 10 | Daughter | — | New Jersey |
| 71 | Margaret Fletcher | 9 | Daughter | — | New Jersey |
| 72 | Helen Fletcher | 7 | Son | — | New Jersey |
| 73 | Patrick Fletcher | 5 | Son | — | New Jersey |
| 74 | Joseph Fletcher | 2 | Son | — | New Jersey |
| 75 | Frank Saldotano | 63 | Head | Crossing Watchman | Italy |
| 76 | Lucia Saldotano | 54 | Wife | — | Italy |
| 77 | Vita Saldotano | 27 | Daughter | — | — |
| 78 | Jane Saldotano | 27 | Son | — | New York |
| 79 | Fred Parson | 21 | Son in law | New Worker Labourer | New Jersey |
| 80 | Vita Parson | 29 | Daughter | — | New York |
Related Census Records
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)