CS
Charles Shaffer — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Hudson-County, New Jersey
Our Model Tree links this Charles Shaffer across the 1930 and 1940 US Censuses in Hudson-County, New Jersey (XGBoost, ~Confirmed) — first a son (b.~1924), then head of a 8-person household.
Age 16
b. ~1924
Male
Son
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hudson-County, New Jersey |
| Surname | Shaffer |
| Given Name | Charles |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Jersey City |
| 1935 Residence (County) | Hudson |
| Additional Details | |
| Highest Grade | Hs 1 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Township / Ward | Jersey City |
| Est. Birth Year | ~1924 |
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 |
|---|---|---|---|---|
| Audrey Shaffer | Daughter | — | 6 | ~1934 |
| Harold Shaffer | Son | — | 11 | ~1929 |
| Charles Shaffer | Head | — | 37 | ~1903 |
| Lillian Shaffer | Spouse | — | 37 | ~1903 |
| Charles Shaffer | Son | — | 16 | ~1924 |
| Jean Shaffer | Daughter | — | 12 | ~1928 |
| John Mahoney | Other | — | 32 | ~1908 |
| Robert Shaffer | Son | — | 15 | ~1925 |
Census Appearances
1930
Hudson, New …
Son, age 5
Hudson, New Jersey · implied b. ~1925 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schafer |
| Given Name | Charles |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Austria |
| Mother's Birthplace | New York |
| Occupation | none |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Hudson-County, New …
Son, age 16
Hudson-County, New Jersey · implied b. ~1924 — 8 household members
| Surname | Shaffer |
| Given Name | Charles |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Jersey City |
| 1935 Residence (County) | Hudson |
| Highest Grade | Hs 1 |
| 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 Shaffer across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Charles Shaffer
Son · 1940 · age 16 · b. ~1924 · New Jersey
★ You are viewing this record
Sibling
Harold Shaffer
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Shaffer
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jean Shaffer
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Audrey Shaffer
Sibling · 1940 · age 6
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
34 people indexed on this census page (nara:1940:m-t0627-02402-00622)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Austin Moore | 26 | Son | — | New Jersey |
| 2 | John Moore | 24 | Son | Mechanic | New Jersey |
| 3 | Emily Moron | 50 | Head | — | New Jersey |
| 4 | Charles Shaffer | 37 | Head | Mechanic | New York |
| 5 | Lillian Shaffer | 37 | Wife | — | New Jersey |
| 6 | Charles Shaffer THIS PERSON | 16 | Son | — | New Jersey |
| 7 | Robert Shaffer | 15 | Son | — | New Jersey |
| 8 | Jean Shaffer | 12 | Daughter | — | New Jersey |
| 9 | Harold Shaffer | 11 | Son | — | New Jersey |
| 10 | Audrey Shaffer | 6 | Daughter | — | New Jersey |
| 11 | John Mahoney | 32 | Lodger | Machinist Helper | New York |
| 12 | Joseph Ballance | 52 | Head | Chauffeur | New Jersey |
| 13 | Lettie Ballance | 50 | Wife | — | New Jersey |
| 14 | Joseph Ballance | 21 | Son | Laundry Man | New Jersey |
| 15 | Michael Ballance | 19 | Son | Packer | New Jersey |
| 16 | Corrine Ballance | 16 | Daughter | — | New Jersey |
| 17 | James Ballance | 12 | Son | — | New Jersey |
| 18 | John Perkins | 48 | Head | Chauffeur | New Jersey |
| 19 | Lillian Perkins | 44 | Wife | — | New Jersey |
| 20 | Lillian Perkins | 18 | Daughter | — | New Jersey |
| 21 | James Perkins | 16 | Son | — | New Jersey |
| 22 | John Perkins | 14 | Son | — | New Jersey |
| 23 | Joseph Perkins | 12 | Son | — | New Jersey |
| 24 | Helen Perkins | 10 | Daughter | — | New Jersey |
| 25 | Emily Perkins | 8 | Daughter | — | New Jersey |
| 26 | June Perkins | 5 | Daughter | — | New Jersey |
| 27 | Lawrence Wisner | 23 | Head | Chauffeur | Maryland |
| 28 | Florence Wisner | 19 | Wife | — | New Jersey |
| 29 | Lillian Wisner | 0 | Daughter | — | New Jersey |
| 30 | Margaret Murtha | 72 | Head | — | New York |
| 31 | Julia Costigan | 69 | Sister | — | New Jersey |
| 32 | Ends Here | None | BLOCK | — | — |
| 33 | Fritz Hansen | 52 | Lodger | Helper | Norway |
| 34 | Henry Callahan | 45 | Lodger | Helper | New Jersey |
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)