CM
Charles Mason — 1940 US Census Record
Model Tree available1940 United States Federal Census · Hudson-County, New Jersey
Our Model Tree links this Charles Mason across the 1920, 1930 and 1940 US Censuses in Hudson-County, New Jersey (XGBoost, ~Confirmed), with identified parents Charles & Charles — first a son (b.~1912), then head of a 8-person household.
Age 28
b. ~1912
Male
Son
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hudson-County, New Jersey |
| Surname | Mason |
| Given Name | Charles Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Jersey City |
| 1935 Residence (County) | Hudson |
| Additional Details | |
| Occupation | Machinist |
| Industry | Shipbuilding |
| Class of Worker | PW |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | 6 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Machinist |
| Township / Ward | Jersey City |
| Est. Birth Year | ~1912 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Charles | Age | Birth yr |
|---|---|---|---|---|
| Mary Mason | Daughter | — | 11 | ~1929 |
| Ethel Sigler | Daughter | — | 31 | ~1909 |
| Charles Mason | Head | — | 56 | ~1884 |
| Dolores Sigler | Other | — | 6 | ~1934 |
| Gladys Sigler | Other | — | 8 | ~1932 |
| Charles Mason | Son | — | 28 | ~1912 |
| Lawrence Mason | Son | — | 26 | ~1914 |
| Mary Mason | Spouse | — | 55 | ~1885 |
Census Appearances
1920
Hudson, New …
Son, age 8
Hudson, New Jersey · implied b. ~1912 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mason |
| Given Name | Charles |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Hudson, New …
Son, age 18
Hudson, New Jersey · implied b. ~1912 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mason |
| Given Name | Charles |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Occupation | General Clerk |
| Industry | Railroad Company |
| 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 28
Hudson-County, New Jersey · implied b. ~1912 — 8 household members
| Surname | Mason |
| Given Name | Charles Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Jersey City |
| 1935 Residence (County) | Hudson |
| Occupation | Machinist |
| Industry | Shipbuilding |
| Class of Worker | PW |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | 6 |
| 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 Charles Mason across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Charles Mason (~0.92 confidence) and father Charles Mason (~0.92 confidence) and mother Mary Mason (~0.92 confidence) and mother Mary Mason (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles Mason
b. ~1884
Source father
● Household
· direct · ~0.92
Father
Charles Mason
b. ~1884
Source father
● Household
· direct · ~0.92
Mother
Mary Mason
b. ~1885
Source mother
● Household
· direct · ~0.92
Mother
Mary Mason
b. ~1886
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Charles Mason
Son · 1940 · age 28 · b. ~1912 · New Jersey
★ You are viewing this record
Sibling
Ethel Sigler
Sibling · 1940 · age 31
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Mason
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lawrence Mason
Sibling · 1940 · age 26
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
8 people indexed on this census page (nara:1940:m-t0627-02403-00462)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Charles Mason | 56 | Head | Machinist | New Jersey |
| 42 | Mary Mason | 55 | Wife | — | New Jersey |
| 43 | Charles Jr. Mason THIS PERSON | 28 | Son | Machinist | New Jersey |
| 44 | Lawrence Mason | 26 | Son | Machinist | New Jersey |
| 45 | Mary J. Mason | 11 | Daughter | — | New Jersey |
| 46 | Ethel Sigler | 31 | Daughter | Timekeeper | New Jersey |
| 47 | Gladys Sigler | 8 | Granddaughter | — | New Jersey |
| 48 | Dolores Sigler | 6 | Granddaughter | — | New Jersey |
Related Census Records
Pedigree Summary
Charles + 3 siblings
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)