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Harold Martin — 1940 US Census Record
Model Tree available1940 United States Federal Census · Monmouth-County, New Jersey
Our Model Tree links this Harold Martin across the 1920, 1930 and 1940 US Censuses in Monmouth-County, New Jersey (XGBoost, ~Confirmed), with identified parents Ada & John — first a head (b.~1910), then head of a 3-person household.
Age 30
b. ~1910
Male
Head
Born: New Jersey
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Monmouth-County, New Jersey |
| Surname | Martin |
| Given Name | Harold |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | West Belmar |
| 1935 Residence (County) | Monmouth |
| Additional Details | |
| Occupation | Registered Nurse |
| Industry | Hospital |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1500 |
| Highest Grade | H 4 |
| 1935 Residence | New Jersey |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Registered Nurse |
| Township / Ward | Glendola |
| Est. Birth Year | ~1910 |
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 Harold | Age | Birth yr |
|---|---|---|---|---|
| Harold Martin | Head | — | 30 | ~1910 |
| Bernice Martin | Spouse | — | 30 | ~1910 |
| Wallace Martin | Son | — | 11 | ~1929 |
Census Appearances
1920
Monmouth, New …
Son, age 10
Monmouth, New Jersey · implied b. ~1910 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| 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 19
Monmouth, New Jersey · implied b. ~1911 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Harold E. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Occupation | Worker |
| Industry | Western Electric |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Monmouth-County, New …
Head, age 30
Monmouth-County, New Jersey · implied b. ~1910 — 3 household members
| Surname | Martin |
| Given Name | Harold |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | West Belmar |
| 1935 Residence (County) | Monmouth |
| Occupation | Registered Nurse |
| Industry | Hospital |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1500 |
| Highest Grade | H 4 |
| 1935 Residence | New Jersey |
| 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 Harold Martin across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Ada Martin (~0.92 confidence) and father John Martin (~0.92 confidence) and father Henry Martin (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Ada Martin
b. ~1876
Source mother
● Household
· direct · ~0.92
Father
John Martin
b. ~1876
Source father
● Household
· direct · ~0.92
Father
Henry Martin
b. ~1888
Source father
● Household
· direct · ~0.92
This person
Anchor record
Harold Martin
Head · 1940 · age 30 · b. ~1910 · 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-t0627-02369-00825)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ira Jones | 57 | Head | Painter | New Jersey |
| 2 | Hannah Jones | 53 | Wife | — | New Jersey |
| 3 | Joseph Jones | 22 | Son | Truck Driver | New Jersey |
| 4 | Anna Jones | 20 | Daughter | — | New Jersey |
| 5 | Joseph Jones | 11 | Son | — | New Jersey |
| 6 | Robert Jones | 7 | Son | — | New Jersey |
| 7 | Jean Jones | 5 | Daughter | — | New Jersey |
| 8 | Helen Jones | 3 | Daughter | — | New Jersey |
| 9 | Harold Anderson | 38 | Head | Mechanic | New Jersey |
| 10 | Charles Shaper | 39 | Head | Truck Driver | New Jersey |
| 11 | Ellen Shaper | 38 | Wife | — | New Jersey |
| 12 | Charles Shaper | 15 | Son | — | New Jersey |
| 13 | Mary Shaper | 14 | Daughter | — | New Jersey |
| 14 | J. Robert Shaper | 12 | Son | — | New Jersey |
| 15 | Anna Shaper | 10 | Daughter | — | New Jersey |
| 16 | Joyce Shaper | 7 | Daughter | — | New Jersey |
| 17 | Paul Shaper | 5 | Son | — | New Jersey |
| 18 | Ellen Shaper | 4 | Daughter | — | New Jersey |
| 19 | James Shaper | 2 | Son | — | New Jersey |
| 20 | John Ludwig | 54 | Lodger | Painter | New Jersey |
| 21 | Fred Clayton | 57 | Head | Carpenter | New Jersey |
| 22 | Luella Clayton | 54 | Wife | — | New Jersey |
| 23 | Harold Martin THIS PERSON | 30 | Head | Registered Nurse | New Jersey |
| 24 | Bernice Martin | 30 | Wife | Painter | New Jersey |
| 25 | Wallace Martin | 11 | Son | — | New Jersey |
| 26 | James Matthews | 30 | Head | — | New Jersey |
| 27 | Selina Matthews | 29 | Wife | — | New Jersey |
| 28 | Elsworth Matthews | 10 | Son | — | New Jersey |
| 29 | Harry Matthews | 8 | Son | — | New Jersey |
| 30 | Shirley Matthews | 5 | Daughter | — | New Jersey |
| 31 | Albert Matthews | 3 | Son | — | New Jersey |
| 32 | Frank Pittman | 40 | Head | — | New Jersey |
| 33 | Lillian Pittman | 25 | Daughter | — | New Jersey |
| 34 | Thomas Wallace | 60 | Head | Operator | New Jersey |
| 35 | Ida Wallace | 58 | Wife | Peddler | New Jersey |
| 36 | Lloyd Lawler | 41 | Boarder | Laborer | New Jersey |
| 37 | Walter Hurley | 53 | Head | Carpenter | New Jersey |
| 38 | Mabel Hurley | 49 | Wife | — | New Jersey |
| 39 | Eleanor Hurley | 14 | Daughter | — | New Jersey |
| 40 | — | None | — | Clerk | — |
Pedigree Summary
Harold
Gen 1 · 3 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)