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William Hahn — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Hudson-County, New Jersey
Our Model Tree links this William Hahn across the 1930 and 1940 US Censuses in Hudson-County, New Jersey (XGBoost, ~Confirmed) — first a son (b.~1925), then head of a 7-person household.
Age 15
b. ~1925
Male
Son
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hudson-County, New Jersey |
| Surname | Hahn |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Bayonne City |
| 1935 Residence (County) | Hudson |
| Additional Details | |
| Highest Grade | H 1 |
| 1935 Residence | Same Place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Township / Ward | Bayonne City |
| Est. Birth Year | ~1925 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Mary Hahn | Spouse | — | 40 | ~1900 |
| Edward Hahn | Head | — | 41 | ~1899 |
| Catherine Hahn | Daughter | — | 19 | ~1921 |
| William Hahn | Son | — | 15 | ~1925 |
| Elizabeth Hahn | Daughter | — | 16 | ~1924 |
| Edward Hahn | Son | — | 18 | ~1922 |
| Vincent Hahn | Son | — | 14 | ~1926 |
Census Appearances
1930
Hudson, New …
Son, age 5
Hudson, New Jersey · implied b. ~1925 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hahn |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New York |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Hudson-County, New …
Son, age 15
Hudson-County, New Jersey · implied b. ~1925 — 7 household members
| Surname | Hahn |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Bayonne City |
| 1935 Residence (County) | Hudson |
| Highest Grade | H 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 William Hahn across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Hahn
Son · 1940 · age 15 · b. ~1925 · New Jersey
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Sibling
Edward Hahn
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Hahn
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Hahn
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Vincent Hahn
Sibling · 1940 · age 14
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-t0627-02346-00469)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | August Pade | 43 | Head | Stillman | New Jersey |
| 2 | Hazel Pade | 43 | Wife | — | New Jersey |
| 3 | Genevieve Pade | 20 | Daughter | New Worker | New Jersey |
| 4 | Arthur Pade | 18 | Son | New Worker | New Jersey |
| 5 | Joseph Pade | 15 | Son | — | New Jersey |
| 6 | Veronica Pade | 11 | Daughter | — | New Jersey |
| 7 | Marie Pade | 9 | Daughter | — | New Jersey |
| 8 | Joan Pade | 8 | Daughter | — | New Jersey |
| 9 | Frances Pade | 72 | Mother | — | New York |
| 10 | John Finley | 63 | Head | Laborer | Irish F.S. |
| 11 | Margaret Finley | 52 | Wife | — | Irish F.S. |
| 12 | Patrick Finley | 22 | Son | Bookkeeper | New Jersey |
| 13 | Bernard Clark | 42 | Head | Engineer | New Jersey |
| 14 | Mary Clark | 36 | Wife | — | Ireland |
| 15 | Hugh Clark | 16 | Son | — | New Jersey |
| 16 | Delores Clark | 15 | Daughter | — | New Jersey |
| 17 | Margaret Clark | 9 | Daughter | — | New Jersey |
| 18 | John Clark | 5 | Son | — | New Jersey |
| 19 | Bernard Clark | 12 | Son | — | New Jersey |
| 20 | George Hackett | 50 | Head | Pumper | New Jersey |
| 21 | Mamie Hackett | 53 | Wife | — | New Jersey |
| 22 | Raymond Hackett | 24 | Son | Laborer | New Jersey |
| 23 | Howard Hackett | 23 | Son | New Worker | New Jersey |
| 24 | Marion Hackett | 19 | Daughter | New Worker | New Jersey |
| 25 | Mary Hundley | 54 | Head | — | New York |
| 26 | James Hundley | 24 | Son | Clerk | New Jersey |
| 27 | Winifred Hundley | 23 | Daughter | Typist | New Jersey |
| 28 | Charles Hundley | 20 | Son | N.Y.A. | New Jersey |
| 29 | Mabel Hundley | 17 | Daughter | New Worker | New Jersey |
| 30 | Alfred Hundley | 17 | Son | New Worker | New Jersey |
| 31 | Marie Hundley | 15 | Daughter | — | New Jersey |
| 32 | Howard Hundley | 14 | Son | — | New Jersey |
| 33 | Jean Hundley | 13 | Daughter | — | New Jersey |
| 34 | Edward Hahn | 41 | Head | Longshoreman | New Jersey |
| 35 | Mary Hahn | 40 | Wife | — | New Jersey |
| 36 | Catherine Hahn | 19 | Daughter | New Worker | New Jersey |
| 37 | Edward Hahn | 18 | Son | — | New Jersey |
| 38 | Elizabeth Hahn | 16 | Daughter | — | New Jersey |
| 39 | William Hahn THIS PERSON | 15 | Son | — | New Jersey |
| 40 | Vincent Hahn | 14 | Son | — | 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)