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John Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Monmouth-County, New Jersey
Our Model Tree links this John Smith across the 1920, 1930 and 1940 US Censuses in Monmouth-County, New Jersey (XGBoost, ~Confirmed), with identified parents John & John — first a head (b.~1908), then head of a 3-person household.
Age 32
b. ~1908
Male
Head
Born: New Jersey
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Monmouth-County, New Jersey |
| Surname | Smith |
| Given Name | John M. Jr. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | Freehold Borough |
| 1935 Residence (County) | Monmouth |
| Additional Details | |
| Occupation | Sales Correspondent |
| Industry | Carborundum |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2700 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Sales Correspondent |
| Township / Ward | Freehold Borough |
| Est. Birth Year | ~1908 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Smith | Head | — | 32 | ~1908 |
| Kendall Smith | Son | — | 7 | ~1933 |
| Sybil Smith | Spouse | — | 34 | ~1906 |
Census Appearances
1920
Monmouth, New …
Son, age 12
Monmouth, New Jersey · implied b. ~1908 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | John M. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| 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
Monmouth, New …
Son, age 23
Monmouth, New Jersey · implied b. ~1907 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | John J. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Monmouth-County, New …
Head, age 32
Monmouth-County, New Jersey · implied b. ~1908 — 3 household members
| Surname | Smith |
| Given Name | John M. Jr. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | Freehold Borough |
| 1935 Residence (County) | Monmouth |
| Occupation | Sales Correspondent |
| Industry | Carborundum |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2700 |
| Highest Grade | No 8 |
| 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 Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Smith (~0.92 confidence) and father John Smith (~0.92 confidence) and mother Harriet Smith (~0.92 confidence) and mother Hennie Smith (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Smith
b. ~1865
Source father
● Household
· direct · ~0.92
Father
John Smith
b. ~1879
Source father
● Household
· direct · ~0.92
Mother
Harriet Smith
b. ~1881
Source mother
● Household
· direct · ~0.92
Mother
Hennie Smith
b. ~1876
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Smith
Head · 1940 · age 32 · b. ~1908 · New Jersey
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Monmouth-County, New Jersey
Open full size
1940 US Federal Census — Monmouth-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02366-00241)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Constantine Delancy | 43 | Head | Plumber | New Jersey |
| 42 | Lorina S. Delancy | 34 | Wife | — | New Jersey |
| 43 | Richard F. Delancy | 4 | Son | — | New Jersey |
| 44 | Constance May Delancy | 0 | Daughter | — | New Jersey |
| 45 | William Potter | 61 | Head | Carpet Weaver | England |
| 46 | Margaret Potter | 61 | Wife | — | Scotland |
| 47 | Simon Martin | 35 | Son-in-law | Steam Fitter | New Jersey |
| 48 | Edith Martin | 35 | Daughter | Winder | Scotland |
| 49 | Francis Martin | 8 | Grandson | — | New Jersey |
| 50 | Harry A. Dark | 29 | Head | Grocery & Meat | Canada |
| 51 | Anna Dark | 33 | Wife | — | New Jersey |
| 52 | Virginia Ann Dark | 6 | Daughter | — | New Jersey |
| 53 | Frances B. Dark | 4 | Daughter | — | New Jersey |
| 54 | John M. Jr. Smith THIS PERSON | 32 | Head | Sales Correspondent | New Jersey |
| 55 | Sybil B. Smith | 34 | Wife | — | Pennsylvania |
| 56 | Kendall B. Smith | 7 | Son | — | New Jersey |
| 57 | Reginald H. Parker | 49 | Head | Insurance Agent | England |
| 58 | Daisy Parker | 45 | Wife | Librarian | England |
| 59 | Malcolm Parker | 26 | Son | — | New York |
| 60 | Otto Deomeyer | Deomeyer | 51 | Head | Plumber | New Jersey |
| 61 | Edith L. Deomeyer | Deomeyer | 39 | Wife | — | New Jersey |
| 62 | Lee Deomeyer | Deomeyer | 6 | Son | — | New Jersey |
| 63 | Harry Winters | 42 | Head | Loom Fixer | Massachusetts |
| 64 | Emilie Winters | 41 | Wife | — | Massachusetts |
| 65 | Cort Sutphen | 39 | Head | Builder | New Jersey |
| 66 | Hannah Sutphen | 27 | Wife | — | Scotland |
| 67 | Margaret Jane Sutphen | 16 | Daughter | — | New Jersey |
| 68 | Edwin Lawrence Sutphen | 7 | Son | — | New Jersey |
| 69 | Arthur Askew | 38 | Head | Officer | New Jersey |
| 70 | Olive Askew | 41 | Wife | — | New Jersey |
| 71 | Oren Askew | 9 | Son | — | New Jersey |
| 72 | Jo Ann Askew | 5 | Daughter | — | New Jersey |
| 73 | Emanuel Sosnow | 39 | Head | Pharmacist | Russia |
| 74 | Minnie Sosnow | 31 | Wife | — | New Jersey |
| 75 | William Sosnow | 4 | Son | — | New Jersey |
| 76 | Sheila Sosnow | 3 | Daughter | — | New Jersey |
| 77 | Dora Fitzpatrick | 20 | Lodger | Housekeeper | Alabama |
| 78 | Max Brown | 40 | Head | Merchant | New York |
| 79 | Matilda Brown | 44 | Wife | — | New York |
| 80 | Robert Engherman | 21 | Step-son | — | New Jersey |
Pedigree Summary
John
Gen 1 · 4 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)