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John Shea — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this John Shea across the 1930 and 1940 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1906), then head of a 13-person household.
Age 24
b. ~1906
Male
Son
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Middlesex, Massachusetts |
| Surname | Shea |
| Given Name | John F |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Additional Details | |
| Occupation | Plasterer |
| Industry | House |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Plasterer |
| Township / Ward | Town Natick Pt Of |
| Est. Birth Year | ~1906 |
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.
13 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Esther Shea | Daughter | — | 15 | ~1915 |
| Elsie Shea | Daughter | — | 22 | ~1908 |
| Irene Shea | Daughter | — | 14 | ~1916 |
| Rita Shea | Daughter | — | 12 | ~1918 |
| Helen Shea | Daughter | — | 9 | ~1921 |
| John Shea | Head | — | 49 | ~1881 |
| John Shea | Son | — | 24 | ~1906 |
| Thomas Shea | Son | — | 17 | ~1913 |
| James Shea | Son | — | 7 | ~1923 |
| Leo Shea | Son | — | 18 | ~1912 |
| William Shea | Son | — | 21 | ~1909 |
| Robert Shea | Son | — | 5 | ~1925 |
| Nora Shea | Spouse | — | 47 | ~1883 |
Census Appearances
1930
Middlesex, Massachusetts
Son, age 24
Middlesex, Massachusetts · implied b. ~1906 — 13 household members
| Surname | Shea |
| Given Name | John F |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Occupation | Plasterer |
| Industry | House |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Head, age 35
Middlesex-County, Massachusetts · implied b. ~1905 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Shaw |
| Given Name | John F |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (County) | Middlesex |
| Occupation | Woolen |
| Industry | PW |
| Class of Worker | 2600 |
| Highest Grade | Hs 4 |
| 1935 Residence | 40 |
| 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 John Shea across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Shea
Son · 1930 · age 24 · b. ~1906 · Massachusetts
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Sibling
Helen Shea
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Esther Shea
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elsie Shea
Sibling · 1930 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Shea
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Shea
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Shea
Sibling · 1930 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rita Shea
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Shea
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leo Shea
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Irene Shea
Sibling · 1930 · age 14
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:massachusettscensus00reel925:0446)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Thomas Horne | 31 | Head | Fireman | Massachusetts |
| 2 | Eva Horne | 29 | Wife | — | Canada English |
| 3 | Warren Horne | 9 | Son | — | Massachusetts |
| 4 | Kenneth Horne | 5 | Son | — | Massachusetts |
| 5 | Marion Horne | 2 | Daughter | — | Massachusetts |
| 6 | William Horne | 0 | Son | — | Massachusetts |
| 7 | Henry Bressant | 33 | Head | Machinist | Massachusetts |
| 8 | Catherine Bressant | 49 | Wife | — | Irish Free State |
| 9 | Emory Bressant | 18 | Son | Gardener | Massachusetts |
| 10 | John Bressant | 17 | Son | Engineer Apprentice | Massachusetts |
| 11 | Arline Bressant | 12 | Daughter | — | Massachusetts |
| 12 | Louise Bressant | 8 | Daughter | — | Massachusetts |
| 13 | Marjorie Bressant | 5 | Daughter | — | Massachusetts |
| 14 | Jonas Ottinson | 59 | Head | Retired | Norway |
| 15 | Jennie C Ottinson | 57 | Wife | Servant | Sweden |
| 16 | John J Shea | 49 | Head | Janitor | Irish Free State |
| 17 | Nora Shea | 47 | Wife | — | Irish Free State |
| 18 | John F Shea THIS PERSON | 24 | Son | Plasterer | Massachusetts |
| 19 | Elsie G Shea | 22 | Daughter | Sorter | Massachusetts |
| 20 | William J Shea | 21 | Son | Laborer | Massachusetts |
| 21 | Leo F Shea | 18 | Son | Truck Driver | Massachusetts |
| 22 | Thomas J Shea | 17 | Son | — | Massachusetts |
| 23 | Esther E Shea | 15 | Daughter | — | Massachusetts |
| 24 | Irene M Shea | 14 | Daughter | — | Massachusetts |
| 25 | Rita Shea | 12 | Daughter | — | Massachusetts |
| 26 | Helen Shea | 9 | Daughter | — | Massachusetts |
| 27 | James Shea | 7 | Son | — | Massachusetts |
| 28 | Robert Shea | 5 | Son | — | Massachusetts |
| 29 | William Machon | 43 | Head | Janitor | Irish Free State |
| 30 | Josephine B Machon | 41 | Wife | Cook | Irish Free State |
| 31 | Frances W Machon | 18 | Son | Clerk | Massachusetts |
| 32 | John B Machon | 13 | Son | — | Massachusetts |
| 33 | Michael J Shea | 41 | Head | Truck Driver | Irish Free State |
| 34 | Mary A Shea | 36 | Wife | — | Irish Free State |
| 35 | Elizabeth Shea | 14 | Daughter | — | Massachusetts |
| 36 | Cecelia Shea | 5 | Daughter | — | Massachusetts |
| 37 | John J Mcgrath | 59 | Head | Master Painter | Massachusetts |
| 38 | Annie Mcgrath | 57 | Wife | — | Irish Free State |
| 39 | Joseph Mcgrath | 28 | Son | Painter | Massachusetts |
| 40 | Helen Mcgrath | 24 | Daughter | Bookkeeper | Massachusetts |
| 41 | Mary Mcgrath | 22 | Daughter | Clerk | Massachusetts |
| 42 | Irene Mcgrath | 20 | Daughter | Clerk | Massachusetts |
| 43 | Jean Mcgrath | 7 | Daughter | — | Massachusetts |
| 44 | Lena Mcgrath | 37 | Head | — | Massachusetts |
| 45 | Russell Agnes Mcgrath | 61 | Sister | Bookkeeper | Massachusetts |
| 46 | Hugh J Hormis | 60 | Head | Painter | Massachusetts |
| 47 | Mary E Hormis | 58 | Wife | — | Massachusetts |
| 48 | Margaret M Hormis | 27 | Daughter | Teacher | Massachusetts |
| 49 | Leo Keating | 29 | Head | Engineer | Massachusetts |
| 50 | Alice S Keating | 29 | Wife | Operator | New York |
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)