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William Hahn — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this William Hahn across the 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1924), then head of a 4-person household.
Age 16
b. ~1924
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Hahn |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston city |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Highest Grade | Hs 2 |
| 1935 Residence | Same house |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Boston 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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| William Hahn | Son | — | 16 | ~1924 |
| David Hahn | Head | — | 42 | ~1898 |
| Helen Hahn | Spouse | — | 38 | ~1902 |
| Herbert Hahn | Son | — | 17 | ~1923 |
Census Appearances
1930
Suffolk, Massachusetts
Son, age 6
Suffolk, Massachusetts · implied b. ~1924 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hahn |
| Given Name | William J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Austria |
| Mother's Birthplace | Massachusetts |
| Can Read/Write | No |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Son, age 16
Suffolk-County, Massachusetts · implied b. ~1924 — 4 household members
| Surname | Hahn |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston city |
| 1935 Residence (County) | Suffolk |
| Highest Grade | Hs 2 |
| 1935 Residence | Same house |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
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 16 · b. ~1924 · Massachusetts
★ You are viewing this record
Sibling
Herbert Hahn
Sibling · 1940 · age 17
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 — Suffolk-County, Massachusetts
Open full size
1940 US Federal Census — Suffolk-County, Massachusetts
Page Contents
36 people indexed on this census page (nara:1940:m-t0627-01672-00568)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Max Milstein | 37 | Head | Mailer | Massachusetts |
| 2 | Rose Milstein | 36 | Wife | — | Palestine |
| 3 | Robert Milstein | 8 | Son | — | Massachusetts |
| 4 | Herbert Milstein | 3 | Son | — | Massachusetts |
| 5 | Bernard Shivek | 48 | Head | Machinist | Poland |
| 6 | Jennie Shivek | 48 | Wife | — | Poland |
| 7 | Herbert Shivek | 18 | Son | — | Massachusetts |
| 8 | Herman Vershbow | 46 | Head | Machinist | Poland |
| 9 | Jennie Vershbow | 44 | Wife | — | Poland |
| 10 | Arthur Vershbow | 18 | Son | — | Massachusetts |
| 11 | Daniel Vershbow | 15 | Son | — | Massachusetts |
| 12 | Harry Pollan | 47 | Brother-in-law | Mechanic | Poland |
| 13 | Max Feldman | 59 | Head | — | Russia |
| 14 | Rose Feldman | 54 | Wife | — | Russia |
| 15 | Abraham Feldman | 23 | Son | Salesman | Massachusetts |
| 16 | Dave Deitch | 30 | Son-in-law | Salesman | Massachusetts |
| 17 | Ida Deitch | 30 | Daughter | — | Massachusetts |
| 18 | Anne Feldman | 56 | Lodger | — | Poland |
| 19 | Harry Shoftner | 44 | Head | Salesman | Lithuania |
| 20 | Edith Shoftner | 34 | Wife | — | Russia |
| 21 | Thelma Shoftner | 4 | Daughter | — | Michigan |
| 22 | Judith Shoftner | 1 | Daughter | — | Massachusetts |
| 23 | David Hahn | 42 | Head | Dealer | Austria |
| 24 | Helen Hahn | 38 | Wife | — | Massachusetts |
| 25 | Herbert Hahn | 17 | Son | — | Massachusetts |
| 26 | William Hahn THIS PERSON | 16 | Son | — | Massachusetts |
| 27 | Maurice Chessler | 38 | Head | Milk Dealer | Massachusetts |
| 28 | Rosalind Chessler | 36 | Wife | — | Massachusetts |
| 29 | Phyllis Chessler | 11 | Daughter | — | Massachusetts |
| 30 | Albert Vernick | 68 | Father-in-law | Cobbler | Russia |
| 35 | Ida Snyder | 52 | Head | — | Russia |
| 36 | Anna Snyder | 28 | Daughter | Bookkeeper | Russia |
| 37 | Sarah Snyder | 26 | Daughter | — | Russia |
| 38 | Hyman Snyder | 24 | Son | Clerk | Massachusetts |
| 39 | Jack Snyder | 20 | Son | Musician | Massachusetts |
| 40 | Morris Tyler | 42 | Head | Laborer | Rumania |
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)