MS
Margaret Shea — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this Margaret Shea across the 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1919), then head of a 9-person household.
Age 21
b. ~1919
Female
Daughter
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Shea |
| Given Name | Margaret |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Occupation | Wrapper |
| Industry | Sears & Roebuck |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 700 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Wrapper |
| Township / Ward | Boston |
| Est. Birth Year | ~1919 |
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 1940 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Mary Shea | Head | — | 48 | ~1892 |
| Rita Shea | Daughter | — | 16 | ~1924 |
| Walter Shea | Son | — | 20 | ~1920 |
| James Shea | Son | — | 22 | ~1918 |
| Anne Shea | Daughter | — | 11 | ~1929 |
| Joseph Shea | Son | — | 14 | ~1926 |
| Mary Shea | Daughter | — | 18 | ~1922 |
| Margaret Shea | Daughter | — | 21 | ~1919 |
| Robert Shea | Son | — | 24 | ~1916 |
Census Appearances
1930
Suffolk, Massachusetts
Daughter, age 10
Suffolk, Massachusetts · implied b. ~1920 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Shea |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Daughter, age 21
Suffolk-County, Massachusetts · implied b. ~1919 — 9 household members
| Surname | Shea |
| Given Name | Margaret |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Occupation | Wrapper |
| Industry | Sears & Roebuck |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 700 |
| 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 Margaret Shea across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Margaret Shea
Daughter · 1940 · age 21 · b. ~1919 · Massachusetts
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Sibling
Robert Shea
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anne Shea
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Shea
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Walter Shea
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Shea
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rita Shea
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Shea
Sibling · 1940 · 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
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-t0627-01668-00403)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | James F. Dyer | 24 | son | Interne Resident | Massachusetts |
| 42 | Arthur Dyer | 16 | son | — | Massachusetts |
| 43 | Claire Dyer | 13 | daughter | — | Massachusetts |
| 44 | John Thornton | 48 | head | Truck Driver | Scotland |
| 45 | Mary T. Thornton | 45 | wife | — | Massachusetts |
| 46 | John E. Thornton | 20 | son | Helper | Massachusetts |
| 47 | Thomas J. Thornton | 19 | son | — | Massachusetts |
| 48 | Evelyn M. Thornton | 18 | daughter | Clerical Work | Massachusetts |
| 49 | Mary T. Thornton | 16 | daughter | — | Massachusetts |
| 50 | Joseph F. Thornton | 3 | son | — | Massachusetts |
| 51 | William Otto | 57 | head | Night Watchman | Massachusetts |
| 52 | Margaret Otto | 50 | wife | — | England |
| 53 | Donald Otto | 14 | son | — | Massachusetts |
| 54 | Mary E. Otto | 12 | daughter | — | Massachusetts |
| 55 | Sylvester S. Otto | 8 | son | — | Massachusetts |
| 56 | H. Ella B. | 68 | lodger | — | Maine |
| 57 | Frank Mcdonald | 39 | head | Chauffeur | New York |
| 58 | Ester V. Mcdonald | 36 | wife | — | Massachusetts |
| 59 | Norma Mcdonald | 16 | daughter | — | Massachusetts |
| 60 | Earnest N. Mcdonald | 14 | son | — | Massachusetts |
| 61 | James A. Higgins | 52 | brother in law | Brick Mason | Massachusetts |
| 62 | Mary Shea | 48 | head | Fancy Stitcher | Massachusetts |
| 63 | Robert Shea | 24 | son | Apprentice | Massachusetts |
| 64 | James Shea | 22 | son | Stock Boy | Massachusetts |
| 65 | Margaret Shea THIS PERSON | 21 | daughter | Wrapper | Massachusetts |
| 66 | Walter Shea | 20 | son | Iron Worker | Massachusetts |
| 67 | Mary Shea | 18 | daughter | — | Massachusetts |
| 68 | Rita Shea | 16 | daughter | — | Massachusetts |
| 69 | Joseph Shea | 14 | son | — | Massachusetts |
| 70 | Anne Shea | 11 | daughter | — | Massachusetts |
| 71 | Henry Shehu | 38 | head | — | Albania |
| 72 | Lino Shehu | 33 | wife | — | Albania |
| 73 | Nihal Shehu | 17 | son | Salesman | Albania |
| 74 | Itam Shehu | 17 | son | Bartender | Albania |
| 75 | George Bramwell | 53 | head | Bookkeeper | Massachusetts |
| 76 | Mary Kelly | 75 | head | — | Massachusetts |
| 77 | Agnes S. Kelly | 60 | sister | Doctor | Massachusetts |
| 78 | Mary Mcburnie | 41 | head | Truck Driver | Massachusetts |
| 79 | George Mcburnie | 21 | son | Chauffeur | Massachusetts |
| 80 | Mary Turre | 71 | mother | — | Massachusetts |
Related Census Records
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)