JM
James Martin — 1940 US Census Record
Model Tree available1940 United States Federal Census · Hudson-County, New Jersey
Our Model Tree links this James Martin across the 1920, 1930 and 1940 US Censuses in Hudson-County, New Jersey (XGBoost, ~Confirmed), with identified parents Raymond & Raymond — first a son (b.~1915), then head of a 4-person household.
Age 25
b. ~1915
Male
Son
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hudson-County, New Jersey |
| Surname | Martin |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Jersey City |
| 1935 Residence (County) | Hudson |
| Additional Details | |
| Occupation | Clerk |
| Industry | Insurance Co. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1000 |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Clerk |
| Township / Ward | Jersey City |
| Est. Birth Year | ~1915 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Raymond Martin | Head | — | 50 | ~1890 |
| John Martin | Son | — | 22 | ~1918 |
| James Martin | Son | — | 25 | ~1915 |
| Christine Martin | Spouse | — | 48 | ~1892 |
Census Appearances
1920
Hudson, New …
Son, age 5
Hudson, New Jersey · implied b. ~1915 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Michigan |
| Mother's Birthplace | New Jersey |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Hudson, New …
Son, age 15
Hudson, New Jersey · implied b. ~1915 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Michigan |
| Mother's Birthplace | New Jersey |
| Occupation | Office Boy |
| Industry | Office |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Hudson-County, New …
Son, age 25
Hudson-County, New Jersey · implied b. ~1915 — 4 household members
| Surname | Martin |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Jersey City |
| 1935 Residence (County) | Hudson |
| Occupation | Clerk |
| Industry | Insurance Co. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1000 |
| Highest Grade | H 2 |
| 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 James Martin across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Raymond Martin (~0.92 confidence) and father Raymond Martin (~0.92 confidence) and father Ray Martin (~0.92 confidence) and mother Catherine Martin (~0.92 confidence) and mother Christine Martin (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Raymond Martin
b. ~1890
Source father
● Household
· direct · ~0.92
Father
Raymond Martin
b. ~1890
Source father
● Household
· direct · ~0.92
Father
Ray Martin
b. ~1889
Source father
● Household
· direct · ~0.92
Mother
Catherine Martin
b. ~1892
Source mother
● Household
· direct · ~0.92
Mother
Christine Martin
b. ~1892
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Martin
Son · 1940 · age 25 · b. ~1915 · New Jersey
★ You are viewing this record
Sibling
John Martin
Sibling · 1940 · age 22
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 — Hudson-County, New Jersey
Open full size
1940 US Federal Census — Hudson-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02407-00369)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Anna F Hanley | 38 | Head | Saleswoman | New Jersey |
| 42 | Thomas Hanley | 15 | Son | — | New Jersey |
| 43 | Anna J. Hanley | 11 | Daughter | — | New Jersey |
| 44 | Otto W. Zucker | 51 | Head | Mechanical Engineer | New Jersey |
| 45 | Fannie Zucker | 48 | Wife | — | Austria |
| 46 | Mildred Forsberg | 23 | Servant | Maid | North Carolina |
| 47 | Noah Markus | 40 | Head | Accountant | Poland |
| 48 | Sophie Markus | 34 | Sister | Saleslady | Poland |
| 49 | Fred Schumann | 28 | Head | Letter Carrier | New Jersey |
| 50 | Gertrude Schumann | 28 | Wife | Ediphone Operator | New Jersey |
| 51 | Helen Schumann | 25 | Sister | Stenographer | New Jersey |
| 52 | Herbert J. Jones | 24 | Head | Public Accounting | New Jersey |
| 53 | Jane A. Jones | 22 | Wife | — | New York |
| 54 | Peter Rudovsky | 35 | Head | Public Accounting | New Jersey |
| 55 | Helen Rudovsky | 30 | Wife | Typist | New Jersey |
| 56 | C. Chas. Lowie | 31 | Head | Laborer | New Jersey |
| 57 | Netta M. Lowie | 30 | Wife | — | New Jersey |
| 58 | Maurice Lowie | 2 | Son | — | New Jersey |
| 59 | Raymond Martin | 50 | Head | Cement Finisher | Michigan |
| 60 | Christine Martin | 48 | Wife | — | New Jersey |
| 61 | James Martin THIS PERSON | 25 | Son | Clerk | New Jersey |
| 62 | John Martin | 22 | Son | Clerk | New Jersey |
| 63 | Timothy O'Connell | 46 | Head | Drug Clerk | Eire |
| 64 | Anna O'Connell | 47 | Wife | — | Eire |
| 65 | Matthew O'Connell | 17 | Son | — | New York |
| 66 | Ann O'Connell | 14 | Daughter | — | New York |
| 67 | John O'Connell | 9 | Son | — | New Jersey |
| 68 | Frank Smuck | 30 | Head | Electrical Engineer | New Jersey |
| 69 | Genevieve Smuck | 29 | Wife | — | New Jersey |
| 70 | Donald Smuck | 4 | Son | — | New Jersey |
| 71 | Edwin Partington | 54 | Head | Inspector | New Jersey |
| 72 | Catherine Partington | 50 | Wife | — | New Jersey |
| 73 | Donald Partington | 10 | Son | — | New Jersey |
| 74 | Ernest Heiland | 70 | Head | Mail Order | New Jersey |
| 75 | Catherine Heiland | 69 | Wife | — | New Jersey |
| 76 | Frederick Nikander | 62 | Head | — | Finland |
| 77 | Henry Nikander | 31 | Son | Gardner | New Jersey |
| 78 | Arthur Nikander | 29 | Son | Clerk | New Jersey |
| 79 | Herbert Cary | 33 | Law | Dept Head Cost Dept | New York |
| 80 | Katherine Cary | 33 | Daughter | Teacher | New Jersey |
Pedigree Summary
James + 1 sibling
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)