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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.~1924), then head of a 12-person household.
Age 16
b. ~1924
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Shea |
| Given Name | William P |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Occupation | New Worker |
| Class of Worker | PW |
| Income (1939) | 0 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same House |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | New Worker |
| Township / Ward | Boston |
| 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.
12 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Ruth Shea | Daughter | — | 6 | ~1934 |
| John Shea | Son | — | 15 | ~1925 |
| Leo Shea | Son | — | 11 | ~1929 |
| William Shea | Son | — | 16 | ~1924 |
| June Shea | Daughter | — | 4 | ~1936 |
| Helen Shea | Daughter | — | 10 | ~1930 |
| William Shea | Head | — | 46 | ~1894 |
| Dorothy Shea | Daughter | — | 13 | ~1927 |
| Elizabeth Shea | Daughter | — | 17 | ~1923 |
| Catherine Shea | Spouse | — | 47 | ~1893 |
| Catherine Shea | Daughter | — | 9 | ~1931 |
| Gerald Shea | Son | — | 1 | ~1939 |
Census Appearances
1930
Suffolk, Massachusetts
Son, age 5
Suffolk, Massachusetts · implied b. ~1925 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Shea |
| Given Name | William P. Jr. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | none |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Son, age 16
Suffolk-County, Massachusetts · implied b. ~1924 — 12 household members
| Surname | Shea |
| Given Name | William P |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Occupation | New Worker |
| Class of Worker | PW |
| Income (1939) | 0 |
| Highest Grade | Hs 1 |
| 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 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 16 · b. ~1924 · Massachusetts
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Sibling
Helen Shea
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Shea
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Shea
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Shea
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gerald Shea
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Shea
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leo Shea
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
June Shea
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Shea
Sibling · 1940 · age 13
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
39 people indexed on this census page (nara:1940:m-t0627-01659-00480)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 42 | Louis F Leppi | 31 | Head | Porter | Massachusetts |
| 43 | Ellen G Leppi | 25 | Sister | Seamstress | Massachusetts |
| 44 | Frank A Leppi | 27 | Brother | Salesman | Massachusetts |
| 45 | Marion A Leppi | 27 | Sister-in-law | Secretary | Connecticut |
| 46 | William P Shea | 46 | Head | Teamster | Massachusetts |
| 47 | Catherine M Shea | 47 | Wife | — | Massachusetts |
| 48 | Elizabeth M Shea | 17 | Daughter | Sales Girl | Massachusetts |
| 49 | William P Shea THIS PERSON | 16 | Son | New Worker | Massachusetts |
| 50 | John J Shea | 15 | Son | — | Massachusetts |
| 51 | Dorothy Shea | 13 | Daughter | — | Massachusetts |
| 52 | Leo Shea | 11 | Son | — | Massachusetts |
| 53 | Helen Shea | 10 | Daughter | — | Massachusetts |
| 54 | Catherine Shea | 9 | Daughter | — | Massachusetts |
| 55 | Ruth Shea | 6 | Daughter | — | Massachusetts |
| 56 | June Shea | 4 | Daughter | — | Massachusetts |
| 57 | Gerald Shea | 1 | Son | — | Massachusetts |
| 58 | Mary A Dushivic | 53 | Head | — | Massachusetts |
| 59 | Catherine Nicoli | 35 | Daughter | — | Maine |
| 60 | Alfred J Nicoli | 35 | Son-in-law | Chauffer | Massachusetts |
| 61 | Hermina E Nicoli | 12 | Granddaughter | — | Massachusetts |
| 62 | Alfred A Nicoli | 10 | Grandson | — | Massachusetts |
| 63 | Emileene A Nicoli | 8 | Granddaughter | — | Massachusetts |
| 64 | Thomas Nicoli | 5 | Grandson | — | Massachusetts |
| 65 | Martha V Brown | 39 | Lodger | Seamstress | Massachusetts |
| 66 | Joseph Grace | 42 | Boarder | Painter | Massachusetts |
| 67 | Ann Creedon | 26 | Daughter | — | Massachusetts |
| 68 | John P Creedon | 3 | Son | — | Massachusetts |
| 69 | Charles P Creedon | 2 | Grandson | — | Massachusetts |
| 70 | Mary Ray | 57 | Head | Binder | Massachusetts |
| 71 | Catherine Flynn | 42 | Head | — | Massachusetts |
| 72 | Alice Flynn | 23 | Daughter | Attendant | Massachusetts |
| 73 | John Flynn | 20 | Son | Kitchen Man | Massachusetts |
| 74 | Richard Flynn | 18 | Son | — | Massachusetts |
| 75 | Catherine Flynn | 16 | Daughter | — | Massachusetts |
| 76 | Thomas Flynn | 14 | Son | — | Massachusetts |
| 77 | William Flynn | 9 | Son | — | Massachusetts |
| 78 | Alice Flynn | 7 | Daughter | — | Massachusetts |
| 79 | Margaret Flynn | 5 | Daughter | — | Massachusetts |
| 80 | William Mcdonough | 33 | Brother | Trucker | 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)