JJ
Joseph Jones — 1940 US Census Record
Model Tree available1940 United States Federal Census · Mercer-County, New Jersey
Our Model Tree links this Joseph Jones across the 1920, 1930 and 1940 US Censuses in Mercer-County, New Jersey (XGBoost, ~Confirmed), with identified parents Charles & John — first a son (b.~1914), then head of a 27-person household.
Age 26
b. ~1914
Male
Son
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Mercer-County, New Jersey |
| Surname | Jones |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Hamilton Twp. |
| 1935 Residence (County) | Mercer |
| Additional Details | |
| Occupation | Labor |
| Industry | Rubber |
| Class of Worker | PW |
| Hours Worked | 39 |
| Income (1939) | 900 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Labor |
| Township / Ward | Hamilton Twp |
| Est. Birth Year | ~1914 |
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.
27 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Joseph | Age | Birth yr |
|---|---|---|---|---|
| Margaret Culliton | Daughter | — | 9 | ~1931 |
| Joan Culliton | Daughter | — | 5 | ~1935 |
| Ruth Groel | Daughter | — | 4 | ~1936 |
| John Jones | Head | — | 52 | ~1888 |
| Mary Sister | Other | — | 37 | ~1903 |
| Mary Sister | Other | — | 72 | ~1868 |
| Cecilia Sister | Other | — | 27 | ~1913 |
| Francis St Mary Margaret | Other | — | 24 | ~1916 |
| M Sister | Other | — | 27 | ~1913 |
| Mary Sister | Other | — | 27 | ~1913 |
| Mary Sister | Other | — | 64 | ~1876 |
| M Sister | Other | — | 62 | ~1878 |
| M Sister | Other | — | 59 | ~1881 |
| M Sister | Other | — | 32 | ~1908 |
| Mary Sister | Other | — | 63 | ~1877 |
| Pauline Sister | Other | — | 22 | ~1918 |
| Mary Sister | Other | — | 62 | ~1878 |
| Mary Sister | Other | — | 62 | ~1878 |
| Mary Sister | Other | — | 35 | ~1905 |
| Helen Davis | Son | — | 13 | ~1927 |
| Joseph Jones | Son | — | 26 | ~1914 |
| Raymond Davis | Son | — | 15 | ~1925 |
| Albert Davis | Son | — | 8 | ~1932 |
| Daniel Culliton | Son | — | 13 | ~1927 |
| Charles Groel | Son | — | ~1940 | |
| Cecial Davis | Son | — | 5 | ~1935 |
| Anna Jones | Spouse | — | 49 | ~1891 |
Census Appearances
1920
Mercer, New …
Son, age 6
Mercer, New Jersey · implied b. ~1914 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Joseph F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Mercer, New …
Son, age 16
Mercer, New Jersey · implied b. ~1914 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Joseph F |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Mercer-County, New …
Son, age 26
Mercer-County, New Jersey · implied b. ~1914 — 27 household members
| Surname | Jones |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Hamilton Twp. |
| 1935 Residence (County) | Mercer |
| Occupation | Labor |
| Industry | Rubber |
| Class of Worker | PW |
| Hours Worked | 39 |
| Income (1939) | 900 |
| Highest Grade | H-4 |
| 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 Joseph Jones across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Charles Jones (~0.92 confidence) and father John Jones (~0.92 confidence) and father John Jones (~0.92 confidence) and mother Edith Jones (~0.92 confidence) and mother Emma Jones (~0.92 confidence) and mother Anna Jones (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles Jones
b. ~1887
Source father
● Household
· direct · ~0.92
Father
John Jones
b. ~1887
Source father
● Household
· direct · ~0.92
Father
John Jones
b. ~1888
Source father
● Household
· direct · ~0.92
Mother
Edith Jones
b. ~1891
Source mother
● Household
· direct · ~0.92
Mother
Emma Jones
b. ~1891
Source mother
● Household
· direct · ~0.92
Mother
Anna Jones
b. ~1891
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Joseph Jones
Son · 1940 · age 26 · b. ~1914 · New Jersey
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Sibling
Cecial Davis
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Albert Davis
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Groel
Sibling · 1940 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Raymond Davis
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joan Culliton
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Daniel Culliton
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Culliton
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Davis
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Groel
Sibling · 1940 · age 4
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
30 people indexed on this census page (nara:1940:m-t0627-02356-00719)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John Johnson | 49 | Head | Steamfitter | New Jersey |
| 2 | Laura Johnson | 42 | Wife | — | New Jersey |
| 3 | Mildred Parks | 18 | Step-daughter | — | New Jersey |
| 4 | John Jones | 52 | Head | Labor | New Jersey |
| 5 | Anna Jones | 49 | Wife | Saleslady | New Jersey |
| 6 | Joseph Jones THIS PERSON | 26 | Son | Labor | New Jersey |
| 7 | Daniel Culliton | 13 | Son | — | New Jersey |
| 8 | Margaret Culliton | 9 | Daughter | — | New Jersey |
| 9 | Joan Culliton | 5 | Daughter | — | New Jersey |
| 10 | Raymond Davis | 15 | Son | — | New Jersey |
| 11 | Helen Davis | 13 | Son | — | New Jersey |
| 12 | Albert Davis | 8 | Son | — | New Jersey |
| 13 | Cecial Ann Davis | 5 | Son | — | New Jersey |
| 14 | Ruth Groel | 4 | Daughter | — | New Jersey |
| 15 | Charles Groel | 0 | Son | — | New Jersey |
| 16 | Mary Asa Sister | 72 | — | Teacher | Maryland |
| 17 | M. Octavian Sister | 59 | — | Teacher | Maryland |
| 18 | Pauline Marie Sister | 22 | — | Teacher | Pennsylvania |
| 19 | Cecilia Marie Sister | 27 | — | Teacher | Pennsylvania |
| 20 | Mary Lauriana Sister | 35 | — | Teacher | Pennsylvania |
| 21 | Mary Angelia Sister | 27 | — | Teacher | Pennsylvania |
| 22 | Mary Swavola Sister | 37 | — | Teacher | Pennsylvania |
| 23 | Mary Alice Sister | 62 | — | Teacher | Pennsylvania |
| 24 | Mary Adelma Sister | 64 | — | Teacher | Germany |
| 25 | M. Coletta Sister | 62 | — | Teacher | Pennsylvania |
| 26 | M. Adelinda Sister | 32 | — | Teacher | Pennsylvania |
| 27 | Mary Leonida Sister | 62 | — | Teacher | U. S. |
| 28 | Francis St. Mary Margaret | 24 | — | Domestic | Penna |
| 29 | Mary Livina Sister | 63 | — | Teacher | U. S. |
| 30 | M. Ann Caroline Sister | 27 | — | Teacher | Penna |
Related Census Records
Pedigree Summary
Joseph + 9 siblings
Gen 1 · 6 parents
~0.92
Max depth 4 (1900–1950 window)
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)