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Charles Martin — 1940 US Census Record
Model Tree available1940 United States Federal Census · Hudson-County, New Jersey
Our Model Tree links this Charles Martin across the 1920, 1930 and 1940 US Censuses in Hudson-County, New Jersey (XGBoost, ~Confirmed), with identified parents Alfred & Hermina — first a son (b.~1909), then head of a 5-person household.
Age 31
b. ~1909
Male
Son
Born: Germany
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hudson-County, New Jersey |
| Surname | Martin |
| Given Name | Charles |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Germany |
| 1935 Residence (City) | Union City |
| 1935 Residence (County) | Hudson |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Watcher |
| Industry | Embroidery |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 760 |
| Highest Grade | 7 |
| 1935 Residence | New Jersey |
| Birth Country | Germany |
| Birthplace (normalized) | germany |
| Occupation | Watcher |
| Township / Ward | Guttenberg |
| Est. Birth Year | ~1909 |
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 Charles | Age | Birth yr |
|---|---|---|---|---|
| Eleanor Martin | Daughter | — | 34 | ~1906 |
| Erna Martin | Daughter | — | 32 | ~1908 |
| Alfred Martin | Head | — | 58 | ~1882 |
| Charles Martin | Son | — | 31 | ~1909 |
| Amelia Martin | Spouse | — | 56 | ~1884 |
Census Appearances
1920
Hudson, New …
Son, age 12
Hudson, New Jersey · implied b. ~1908 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Charles |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Germany |
| Year of Immigration | 1912 |
| Naturalization Status | Alien |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | German |
| Birth Country | Germany |
| Birthplace (normalized) | germany |
1930
Hudson, New …
Son, age 22
Hudson, New Jersey · implied b. ~1908 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Charles |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Germany |
| Naturalization Status | Naturalized |
| Year of Immigration | 1912 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | Operator |
| Industry | Street Railway |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | German |
| Veteran | No |
| Birth Country | Germany |
| Birthplace (normalized) | germany |
1940
Hudson-County, New …
Son, age 31
Hudson-County, New Jersey · implied b. ~1909 — 5 household members
| Surname | Martin |
| Given Name | Charles |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Germany |
| 1935 Residence (City) | Union City |
| 1935 Residence (County) | Hudson |
| Naturalization Status | Naturalized |
| Occupation | Watcher |
| Industry | Embroidery |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 760 |
| Highest Grade | 7 |
| 1935 Residence | New Jersey |
| Birth Country | Germany |
| Birthplace (normalized) | germany |
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 Charles Martin across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Alfred Martin (~0.92 confidence) and mother Hermina Martin (~0.92 confidence) and mother Amelia Martin (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Alfred Martin
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Hermina Martin
b. ~1885
Source mother
● Household
· direct · ~0.92
Mother
Amelia Martin
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Charles Martin
Son · 1940 · age 31 · b. ~1909 · New Jersey
★ You are viewing this record
Sibling
Eleanor Martin
Sibling · 1940 · age 34
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Erna Martin
Sibling · 1940 · age 32
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
19 people indexed on this census page (nara:1940:m-t0627-02347-00590)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Lucille Little | 26 | Wife | Operator | New Jersey |
| 2 | Mildred Little | 29 | Daughter | Dresser | New Jersey |
| 3 | James Little | 31 | Son | Presser | New Jersey |
| 4 | Barbara Little | 26 | Daughter | Greaser | New Jersey |
| 5 | John Gorman | 62 | Head | Superintendent | Ireland |
| 6 | Mary Gorman | 56 | Wife | — | New York |
| 7 | Mary Gorman | 25 | Daughter | Saleslady | New Jersey |
| 8 | Alfred Martin | 58 | Head | Employee | Germany |
| 9 | Amelia Martin | 56 | Wife | — | Germany |
| 10 | Eleanor Martin | 34 | Daughter | Watcher | Germany |
| 11 | Erna Martin | 32 | Daughter | Watcher | Germany |
| 12 | Charles Martin THIS PERSON | 31 | Son | Watcher | Germany |
| 13 | Bernard Strobel | 45 | Head | Manufacturer | Germany |
| 14 | Elly Strobel | 46 | Wife | — | Germany |
| 15 | Sonia Strobel | 16 | Daughter | — | New Jersey |
| 16 | Fred Chumley | 44 | Head | Cooper | New Jersey |
| 17 | Catherine Chumley | 66 | Wife | — | New Jersey |
| 18 | Margaret Chumley | 47 | Daughter | — | New Jersey |
| 19 | Julia Chumley | 42 | Daughter | Watcher | New Jersey |
Related Census Records
Pedigree Summary
Charles + 2 siblings
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)