WT
William Tracy — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this William Tracy across the 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1924), then head of a 7-person household.
Age 16
b. ~1924
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Tracy |
| Given Name | William F Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston city |
| Additional Details | |
| Industry | 0 |
| Highest Grade | Hs 3 |
| 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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Thomas Tracy | Son | — | 14 | ~1926 |
| William Tracy | Son | — | 16 | ~1924 |
| Paul Tracy | Son | — | 4 | ~1936 |
| William Tracy | Head | — | 47 | ~1893 |
| Julia Tracy | Spouse | — | 33 | ~1907 |
| Richard Tracy | Son | — | 2 | ~1938 |
| Patricia Tracy | Daughter | — | ~1940 |
Census Appearances
1930
Suffolk, Massachusetts
Son, age 5
Suffolk, Massachusetts · implied b. ~1925 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Tracey |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Newfoundland |
| Mother's Birthplace | Irish Free State |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Son, age 16
Suffolk-County, Massachusetts · implied b. ~1924 — 7 household members
| Surname | Tracy |
| Given Name | William F Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston city |
| Industry | 0 |
| Highest Grade | Hs 3 |
| 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 Tracy across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Tracy
Son · 1940 · age 16 · b. ~1924 · Massachusetts
★ You are viewing this record
Sibling
Thomas Tracy
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patricia Tracy
Sibling · 1940 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Tracy
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Tracy
Sibling · 1940 · age 4
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
40 people indexed on this census page (nara:1940:m-t0627-01680-00333)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Joseph F Corson | 25 | Head | Food Selector | Massachusetts |
| 42 | Julia E Corson | 28 | Wife | — | New York |
| 43 | Carol A Corson | 1 | Daughter | — | Massachusetts |
| 44 | Joseph F Caruso | 29 | Head | Foreman | Massachusetts |
| 45 | Elva D Caruso | 27 | Wife | — | Massachusetts |
| 46 | Henry B Cousins | 39 | Head | Clerk | Massachusetts |
| 47 | Agnes Cousins | 33 | Wife | — | Massachusetts |
| 48 | Joseph L Tagliente | 57 | Head | Peddler | Italy |
| 49 | Lucy M Tagliente | 44 | Wife | — | Italy |
| 50 | Mary L Tagliente | 25 | Daughter | Dressmaker | Massachusetts |
| 51 | Grace T Tagliente | 23 | Daughter | New Worker | Massachusetts |
| 52 | Annette L Tagliente | 20 | Daughter | Hairdresser | Massachusetts |
| 53 | Michael Minervia | 35 | Brother-in-law | Clerk | Italy |
| 54 | Mary A Hunstler | 73 | Head | — | Massachusetts |
| 55 | Robert E Heckman | 14 | Grandson | — | Massachusetts |
| 56 | Barbara M Heckman | 11 | Grand-daughter | — | Massachusetts |
| 57 | Ernest L Hunstler | 49 | Head | Waiter | Massachusetts |
| 58 | Hazel Hunstler | 42 | Wife | — | Canada-English |
| 59 | Clarence W Wallace | 42 | Head | Cashier | New York |
| 60 | Edith E Wallace | 40 | Wife | Salesgirl | Massachusetts |
| 61 | Robert D Wallace | 14 | Son | — | Massachusetts |
| 62 | John U Wallace | 67 | Father | Barber | New York |
| 63 | William F Tracy | 47 | Head | Fireman | Massachusetts |
| 64 | Julia F Tracy | 33 | Wife | — | Massachusetts |
| 65 | William F Jr Tracy THIS PERSON | 16 | Son | — | Massachusetts |
| 66 | Thomas Tracy | 14 | Son | — | Massachusetts |
| 67 | Paul Tracy | 4 | Son | — | Massachusetts |
| 68 | Richard Tracy | 2 | Son | — | Massachusetts |
| 69 | Patricia Tracy | 0 | Daughter | — | Massachusetts |
| 70 | Andrew C Fiore | 40 | Head | Police Officer | Massachusetts |
| 71 | Matilda Fiore | 35 | Wife | — | Massachusetts |
| 72 | Corinne A Fiore | 11 | Daughter | — | Massachusetts |
| 73 | Marie E Fiore | 7 | Daughter | — | Massachusetts |
| 74 | Andrew C Jr Fiore | 5 | Son | — | Massachusetts |
| 75 | — | None | — | — | — |
| 76 | Daniel E Canney | 34 | Head | Chief Engineer | Massachusetts |
| 77 | Mary E Canney | 41 | Wife | — | Massachusetts |
| 78 | Daniel E Jr Canney | 7 | Son | — | Massachusetts |
| 79 | Ellen Canney | 6 | Daughter | — | Massachusetts |
| 80 | Mary E Canney | 2 | Daughter | — | Massachusetts |
Related Census Records
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)