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William Shea — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this William Shea across the 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1928), then head of a 8-person household.
Age 12
b. ~1928
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Shea |
| Given Name | William |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Highest Grade | No 8 |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Boston City |
| Est. Birth Year | ~1928 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| Owen Shea | Head | — | 48 | ~1892 |
| Mary Shea | Daughter | — | 14 | ~1926 |
| Margaret Shea | Spouse | — | 48 | ~1892 |
| Margaret Shea | Daughter | — | 10 | ~1930 |
| Catherine Shea | Daughter | — | 7 | ~1933 |
| Barbara Shea | Daughter | — | 8 | ~1932 |
| William Shea | Son | — | 12 | ~1928 |
| Catherine Shea | Daughter | — | 5 | ~1935 |
Census Appearances
1930
Suffolk, Massachusetts
Son, age 1
Suffolk, Massachusetts · implied b. ~1929 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Shaw |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Son, age 12
Suffolk-County, Massachusetts · implied b. ~1928 — 8 household members
| Surname | Shea |
| Given Name | William |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (County) | Suffolk |
| Highest Grade | No 8 |
| 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 Shea across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Shea
Son · 1940 · age 12 · b. ~1928 · Massachusetts
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Sibling
Catherine Shea
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Shea
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Barbara Shea
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Shea
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Shea
Sibling · 1940 · age 10
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-t0627-01657-00278)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Madeline Flanagan | 3 | daughter | — | Massachusetts |
| 42 | Katherine Flanagan | 1 | daughter | — | Massachusetts |
| 43 | John Mccarthy | 49 | head | Custodian | Massachusetts |
| 44 | Florence Mccarthy | 47 | wife | — | Massachusetts |
| 45 | John Mccarthy | 15 | son | — | Massachusetts |
| 46 | Christopher Mccarthy | 14 | son | — | Massachusetts |
| 47 | William Mccarthy | 12 | son | — | Massachusetts |
| 48 | Lynda Mccarthy | 8 | son | — | Massachusetts |
| 49 | Richard F Kelley | 44 | head | Custodian | Massachusetts |
| 50 | Beatrice Kelley | 44 | wife | — | Massachusetts |
| 51 | Louis Colucci | 53 | head | Tiles | Italy |
| 52 | Helene Colucci | 53 | wife | — | France |
| 53 | Francis M Kelly | 55 | head | — | Canada Eng |
| 54 | Frances T Kelly | 25 | daughter | Typist | Massachusetts |
| 55 | Charles Verza | 46 | head | Cotton Mill | Portugal |
| 56 | Florence Verza | 27 | wife | — | Massachusetts |
| 57 | Louis Glenn | 44 | head | Operator | Vermont |
| 58 | Alice M Glenn | 40 | wife | — | Canada Eng |
| 59 | Louis Glenn | 8 | son | — | New Hampshire |
| 60 | Paul J Glenn | 4 | son | — | Massachusetts |
| 61 | Owen Shea | 48 | head | Tender | Massachusetts |
| 62 | Margaret A Shea | 48 | wife | — | Massachusetts |
| 63 | Mary Shea | 14 | daughter | — | Massachusetts |
| 64 | William Shea THIS PERSON | 12 | son | — | Massachusetts |
| 65 | Margaret Shea | 10 | daughter | — | Massachusetts |
| 66 | Barbara Shea | 8 | daughter | — | Massachusetts |
| 67 | Catherine Shea | 7 | daughter | — | Massachusetts |
| 68 | Catherine Shea | 5 | daughter | — | Massachusetts |
| 69 | James F Grinshaw | 38 | head | Truck Driver | Massachusetts |
| 70 | Cecelia Grinshaw | 38 | wife | — | Massachusetts |
| 71 | James F Grinshaw | 18 | son | — | Massachusetts |
| 72 | Louis J Rothwell | 37 | head | Repairman | Massachusetts |
| 73 | Mary E Rothwell | 36 | wife | — | Massachusetts |
| 74 | Louis J Jr Rothwell | 17 | son | — | Massachusetts |
| 75 | Robert Rothwell | 15 | son | — | Massachusetts |
| 76 | Mary Rothwell | 14 | daughter | — | Massachusetts |
| 77 | Elizabeth Rothwell | 12 | son | — | Massachusetts |
| 78 | Lawrence Rothwell | 10 | son | — | Massachusetts |
| 79 | Here Ends Block #27 And Begins Block #28 Rothwell | 10 | son | — | Massachusetts |
| 80 | Allan G Mclean | 30 | head | Mate | 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)