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John Marshall — 1940 US Census Record
Model Tree available1940 United States Federal Census · Mercer-County, New Jersey
Our Model Tree links this John Marshall across the 1920, 1930 and 1940 US Censuses in Mercer-County, New Jersey (XGBoost, ~Confirmed), with identified parents John & John — first a son (b.~1913), then head of a 5-person household.
Age 27
b. ~1913
Male
Son
Born: Maine
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Mercer-County, New Jersey |
| Surname | Marshall |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Maine |
| 1935 Residence (City) | Hamilton Township |
| 1935 Residence (County) | Mercer |
| Additional Details | |
| Occupation | Truck Driver |
| Industry | Retail Fuel Co. |
| Class of Worker | PW |
| Hours Worked | 56 |
| Income (1939) | 400 |
| Highest Grade | No 7 |
| 1935 Residence | Same House |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
| Occupation | Truck Driver |
| Township / Ward | Hamilton Township |
| Est. Birth Year | ~1913 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Lorraine Marshall | Daughter | — | 13 | ~1927 |
| John Marshall | Head | — | 55 | ~1885 |
| John Marshall | Son | — | 27 | ~1913 |
| Edward Marshall | Son | — | 24 | ~1916 |
| Rose Marshall | Spouse | — | 54 | ~1886 |
Census Appearances
1920
Mercer, New …
Son, age 7
Mercer, New Jersey · implied b. ~1913 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Marshal |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Maine |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | Hanover Ger |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Mother Tongue | German |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
1930
Mercer, New …
Son, age 17
Mercer, New Jersey · implied b. ~1913 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Marshall |
| Given Name | John Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Maine |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | Germany |
| Occupation | Salesman |
| Industry | Groceries |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
1940
Mercer-County, New …
Son, age 27
Mercer-County, New Jersey · implied b. ~1913 — 5 household members
| Surname | Marshall |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Maine |
| 1935 Residence (City) | Hamilton Township |
| 1935 Residence (County) | Mercer |
| Occupation | Truck Driver |
| Industry | Retail Fuel Co. |
| Class of Worker | PW |
| Hours Worked | 56 |
| Income (1939) | 400 |
| Highest Grade | No 7 |
| 1935 Residence | Same House |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
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 Marshall across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Marshal (~0.92 confidence) and father John Marshall (~0.92 confidence) and father John Marshall (~0.92 confidence) and mother Rose Marshal (~0.92 confidence) and mother Rose Marshall (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Marshal
b. ~1884
Source father
● Household
· direct · ~0.92
Father
John Marshall
b. ~1885
Source father
● Household
· direct · ~0.92
Father
John Marshall
b. ~1885
Source father
● Household
· direct · ~0.92
Mother
Rose Marshal
b. ~1885
Source mother
● Household
· direct · ~0.92
Mother
Rose Marshall
b. ~1886
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Marshall
Son · 1940 · age 27 · b. ~1913 · New Jersey
★ You are viewing this record
Sibling
Lorraine Marshall
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Marshall
Sibling · 1940 · age 24
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-t0627-02436-00144)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John Bzymoski | 26 | Head | Clerk | New Jersey |
| 42 | Alvin Bzymoski | 24 | Son | Carpenter | New Jersey |
| 43 | Mary Bzymoski | 20 | Daughter | Cigar Maker | New Jersey |
| 44 | Francis Bzymoski | 16 | Daughter | — | New Jersey |
| 45 | Mary Bzymoski | 13 | Son | — | New Jersey |
| 46 | William Allan | 31 | Head | Bookkeeper | Pennsylvania |
| 47 | Mary Allan | 33 | Wife | — | New Jersey |
| 48 | Agnes May Allan | 8 | Daughter | — | New Jersey |
| 49 | Patrick H. Allan | 1 | Son | — | New Jersey |
| 50 | John Marshall | 55 | Head | Labor | New Jersey |
| 51 | Rose C. Marshall | 54 | Wife | — | Germany |
| 52 | John Marshall THIS PERSON | 27 | Son | Truck Driver | Maine |
| 53 | Edward Marshall | 24 | Son | Carpenter | New Jersey |
| 54 | Lorraine Marshall | 13 | Daughter | — | New Jersey |
| 55 | Frank Sanders | 50 | Head | Mechanic | Delaware |
| 56 | Elizabeth Sanders | 46 | Wife | — | Pennsylvania |
| 57 | Margaret Sanders | 20 | Daughter | Telephone Operator | New Jersey |
| 58 | Elizabeth Sanders | 16 | Daughter | — | New Jersey |
| 59 | Anthony Chernigo | 55 | Head | Molder | Poland |
| 60 | Sophie Chernigo | 58 | Wife | — | Poland |
| 61 | Matthew Chernigo | 21 | Son | Labor | New Jersey |
| 62 | Joseph Hoffman | 39 | Head | Potter | New Jersey |
| 63 | Stephanie Hoffman | 35 | Wife | Cigar Maker | New Jersey |
| 64 | Irene Hoffman | 14 | Daughter | — | New Jersey |
| 65 | Theresa Hoffman | 11 | Daughter | — | New Jersey |
| 66 | John Muo | 28 | Head | Labor | New Jersey |
| 67 | Elizabeth Muo | 26 | Wife | Cigar Maker | New Jersey |
| 68 | Edward J. Parker | 44 | Head | Projector Operator | New Jersey |
| 69 | Ella Parker | 46 | Wife | — | New Jersey |
| 70 | Edward Parker | 21 | Son | Operator Of Projector | New Jersey |
| 71 | Donald Parker | 17 | Son | Newspaper | New Jersey |
| 72 | Amelia Parker | 15 | Daughter | — | New Jersey |
| 73 | Amelia Ferry | 62 | Mother-in-law | Matron | New Jersey |
| 74 | Gertrude Alston | 23 | Daughter-in-law | Machine Operator | Germany |
| 75 | Ella J. Alston | 0 | Granddaughter | — | New Jersey |
| 76 | Raymond Olachewski | 24 | Head | Labor | New Jersey |
| 77 | Ruth Olachewski | 24 | Wife | — | Pennsylvania |
| 78 | Anna Olachewski | 19 | Daughter | Sewing Machine Operator | Pennsylvania |
| 79 | Raymond Olachewski | 15 | Son | — | New Jersey |
| 80 | Eleanor Olachewski | 13 | Daughter | — | New Jersey |
Pedigree Summary
John + 2 siblings
Gen 1 · 5 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)