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.~1917), then head of a 7-person household.
Age 23
b. ~1917
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 | 23 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Occupation | usher |
| Industry | theatre |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 900 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Usher |
| Township / Ward | Boston |
| Est. Birth Year | ~1917 |
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 |
|---|---|---|---|---|
| William Tracy | Son | — | 23 | ~1917 |
| William Tracy | Head | — | 57 | ~1883 |
| Mary Tracy | Spouse | — | 54 | ~1886 |
| Richard Tracy | Son | — | 21 | ~1919 |
| Barbara Tracy | Daughter | — | 16 | ~1924 |
| Jean Tracy | Daughter | — | 13 | ~1927 |
| Frederick Tracy | Son | — | 19 | ~1921 |
Census Appearances
1930
Suffolk, Massachusetts
Son, age 13
Suffolk, Massachusetts · implied b. ~1917 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Tracey |
| Given Name | William F. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Rhode Island |
| Mother's Birthplace | Massachusetts |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Son, age 23
Suffolk-County, Massachusetts · implied b. ~1917 — 7 household members
| Surname | Tracy |
| Given Name | William F Jr |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Occupation | usher |
| Industry | theatre |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 900 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| 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 23 · b. ~1917 · Massachusetts
★ You are viewing this record
Sibling
Jean Tracy
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Tracy
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frederick Tracy
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Barbara Tracy
Sibling · 1940 · age 16
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-t0627-01679-00547)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary E Rush | 35 | daughter | Teacher | Massachusetts |
| 2 | Joseph L Rush | 28 | son | Teacher | Massachusetts |
| 3 | Edna Pauline Rush | 23 | daughter | Waitress | Massachusetts |
| 4 | Ethel L Rush | 20 | daughter | Typist | Massachusetts |
| 5 | George S Hennessey | 46 | head | Teacher | Massachusetts |
| 6 | Helen R Hennessey | 43 | wife | — | Massachusetts |
| 7 | Elizabeth N Hennessey | 8 | daughter | — | Massachusetts |
| 8 | Helen N Hennessey | 6 | daughter | — | Massachusetts |
| 9 | George S Jr Hennessey | 4 | son | — | Massachusetts |
| 10 | John L Russell | 56 | head | Printer | Massachusetts |
| 11 | Marie E Russell | 50 | wife | — | Massachusetts |
| 12 | Marie A Russell | 31 | daughter | New Worker | Massachusetts |
| 13 | John M Russell | 19 | son | — | Massachusetts |
| 14 | Constance V Russell | 17 | daughter | — | Massachusetts |
| 15 | Edith L Russell | 14 | daughter | — | Massachusetts |
| 16 | Annie Ryan | 60 | head | — | Massachusetts |
| 17 | William F Tracy | 57 | head | — | Rhode Island |
| 18 | Mary J Tracy | 54 | wife | — | Massachusetts |
| 19 | William F Jr Tracy THIS PERSON | 23 | son | Usher | Massachusetts |
| 20 | Richard F Tracy | 21 | son | Laborer | Massachusetts |
| 21 | Frederick Tracy | 19 | son | Kitchen | Massachusetts |
| 22 | Barbara Tracy | 16 | daughter | — | Massachusetts |
| 23 | Jean Tracy | 13 | daughter | — | Massachusetts |
| 24 | Thomas E Casey | 60 | head | Operator | New York |
| 25 | Annie Casey | 52 | wife | — | Ireland |
| 26 | Mary G Casey | 30 | daughter | Typist | Massachusetts |
| 27 | Joseph E Casey | 27 | son | Clerk | Massachusetts |
| 28 | Stephen F Casey | 26 | son | Machinist | Massachusetts |
| 29 | Thomas A Casey | 24 | son | Operator | Massachusetts |
| 30 | Ann Casey | 24 | daughter | Machinist | Massachusetts |
| 31 | Richard W Casey | 22 | son | Salesman | Massachusetts |
| 32 | Eileen Casey | 19 | daughter | — | Massachusetts |
| 33 | James Casey | 17 | son | — | Massachusetts |
| 34 | Ruth Casey | 12 | daughter | — | Massachusetts |
| 35 | Joseph Edmunds | 43 | head | Zoo Tender | Massachusetts |
| 36 | Helen Edmunds | 40 | wife | — | Massachusetts |
| 37 | Virginia Edmunds | 20 | daughter | Salesman | Massachusetts |
| 38 | Lorraine Edmunds | 19 | daughter | Salesman | Massachusetts |
| 39 | Joseph Jr Edmunds | 17 | son | — | Massachusetts |
| 40 | Adelaide Edmunds | 11 | daughter | — | Massachusetts |
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)