WS
William Shea — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this William Shea across the 1920 and 1930 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1914), then head of a 9-person household.
Age 16
b. ~1914
Male
Son
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Middlesex, Massachusetts |
| Surname | Shea |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Cambridge City |
| Est. Birth Year | ~1914 |
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.
9 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Andrew Shea | Head | — | 57 | ~1873 |
| George Shea | Son | — | 19 | ~1911 |
| Leo Shea | Son | — | 20 | ~1910 |
| Anthony Salvador | Other | — | 57 | ~1873 |
| Robert Shea | Son | — | 6 | ~1924 |
| Edward Shea | Son | — | 21 | ~1909 |
| Mary Shea | Other | — | 57 | ~1873 |
| Ruth Shea | Daughter | — | 29 | ~1901 |
| William Shea | Son | — | 16 | ~1914 |
Census Appearances
1920
Middlesex, Massachusetts
Son, age 6
Middlesex, Massachusetts · implied b. ~1914 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Shea |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Son, age 16
Middlesex, Massachusetts · implied b. ~1914 — 9 household members
| Surname | Shea |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read/Write | Yes |
| 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 (1920 and 1930) in Middlesex, Massachusetts, using XGBoost record linkage.
Show:
This person
Anchor record
William Shea
Son · 1930 · age 16 · b. ~1914 · Massachusetts
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Sibling
Edward Shea
Sibling · 1930 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leo Shea
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Shea
Sibling · 1930 · age 29
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Shea
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Shea
Sibling · 1930 · age 6
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
1930 US Federal Census — Middlesex, Massachusetts
Open full size
1930 US Federal Census — Middlesex, Massachusetts
Page Contents
50 people indexed on this census page (ia:1930:massachusettscensus00reel916:0779)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Cronin, Richard F. Breen | 36 | Son | Clerk | Massachusetts |
| 2 | Andrew Shea | 57 | Head | Painter | Massachusetts |
| 3 | Mary G. Shea | 57 | Wife-H | — | Massachusetts |
| 4 | Ruth D. Shea | 29 | Daughter | Teacher | Massachusetts |
| 5 | Edward F. Shea | 21 | Son | Stenographer | Massachusetts |
| 6 | Leo J. Shea | 20 | Son | Driver | Massachusetts |
| 7 | George Shea | 19 | Son | — | Massachusetts |
| 8 | William Shea THIS PERSON | 16 | Son | — | Massachusetts |
| 9 | Robert Shea | 6 | Son | — | Massachusetts |
| 10 | Anthony J. Salvador | 57 | Lodger | Fireman | Portugal |
| 11 | Albert J. Smith | 37 | Head | Teacher | Minnesota |
| 12 | Elizabeth S. Smith | 34 | Wife-H | — | Canada-French |
| 13 | Edward J. Smith | 12 | Son | — | Massachusetts |
| 14 | Ellen E. Smith | 10 | Daughter | — | Massachusetts |
| 15 | James U. Robinson | 32 | Head | Teacher | Tennessee |
| 16 | Esther W. Robinson | 26 | Wife-H | Teacher | Pennsylvania |
| 17 | Mildred F. Doraney | 41 | Head | Mistress | Maine |
| 18 | Verna Doraney | 15 | Daughter | — | Vermont |
| 19 | John F. Parsons | 47 | Head | Repairman | Canada-English |
| 20 | Beatrice Parsons | 39 | Wife-H | — | Canada-English |
| 21 | Patrick W. Parsons | 20 | Son | — | Canada-English |
| 22 | Robert Parsons | 17 | Son | — | Canada-English |
| 23 | John F. Parsons | 16 | Son | — | Canada-English |
| 24 | Claude J. Parsons | 14 | Son | — | Massachusetts |
| 25 | Beatrice M. Parsons | 11 | Daughter | — | Massachusetts |
| 26 | William Parsons | 9 | Son | — | Massachusetts |
| 27 | Dorothy M. Parsons | 8 | Daughter | — | Massachusetts |
| 28 | Phyllis M. Parsons | 6 | Daughter | — | Massachusetts |
| 29 | Marjorie Parsons | 4 | Daughter | — | Massachusetts |
| 30 | Dan Reynolds | 42 | Head | Waiter | Tennessee |
| 31 | Annetta Reynolds | 6 | Daughter | — | Pennsylvania |
| 32 | Minnie Bates | 50 | Lodger | Nursing | Virginia |
| 33 | Bertha Expert | 27 | Lodger | Weaver | Massachusetts |
| 34 | Frank J. Healy | 52 | Head | Solicitor | New York |
| 35 | Emily J. Healy | 52 | Wife-H | — | Massachusetts |
| 36 | Michael J. Sullivan | 52 | Head | Shipper | Massachusetts |
| 37 | Margaret Sullivan | 51 | Wife-H | — | Massachusetts |
| 38 | Cyril J. Sullivan | 26 | Son | Teacher | Massachusetts |
| 39 | Margaret Sullivan | 16 | Ward | — | United States |
| 40 | Walter J. Castner | 28 | Head | Draughtsman | Maine |
| 41 | Frank A. Castner | 25 | Sister-H | Saleswoman | Maine |
| 42 | Serop Der Simonian | 46 | Head | Barber | Turkey-Armenian |
| 43 | Tuncha Der Simonian | 40 | Wife-H | — | Turkey-Armenian |
| 44 | Sarkis Der Simonian | 5 | Son | — | Massachusetts |
| 45 | Martin Connolly | 72 | Head | — | Irish Free State |
| 46 | Mary E. Connolly | 31 | Daughter | Stenographer | Massachusetts |
| 47 | Annie Connolly | 66 | Sister | Chambermaid | Irish Free State |
| 48 | Della Connolly | 60 | Sister | Forewoman | Irish Free State |
| 49 | John T. Hogan | 39 | Head | Inspector | Massachusetts |
| 50 | Gertrude E. Hogan | 37 | Wife-H | — | Massachusetts |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)