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William Brady — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Plymouth-County, Massachusetts
Our Model Tree links this William Brady across the 1930 and 1940 US Censuses in Plymouth-County, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1929), then head of a 12-person household.
Age 11
b. ~1929
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Plymouth-County, Massachusetts |
| Surname | Brady |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Brockton City |
| 1935 Residence (County) | Plymouth |
| Additional Details | |
| Highest Grade | 5 |
| 1935 Residence | Same Place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Brockton City |
| Est. Birth Year | ~1929 |
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 |
|---|---|---|---|---|
| Mary Brady | Daughter | — | 19 | ~1921 |
| Phyllis Brady | Daughter | — | 14 | ~1926 |
| Helen Brady | Daughter | — | 9 | ~1931 |
| Alice Brady | Daughter | — | 16 | ~1924 |
| Joan Brady | Daughter | — | 1 | ~1939 |
| Gertrude Brady | Daughter | — | 17 | ~1923 |
| Anne Brady | Daughter | — | 6 | ~1934 |
| William Brady | Son | — | 11 | ~1929 |
| George Brady | Son | — | 5 | ~1935 |
| Gayle Brady | Son | — | 18 | ~1922 |
| Philip Brady | Son | — | 8 | ~1932 |
| Mary Brady | Spouse | — | 44 | ~1896 |
Census Appearances
1930
Plymouth, Massachusetts
Son, age 1
Plymouth, Massachusetts · implied b. ~1929 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brady |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Irish Free State |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Plymouth-County, Massachusetts
Son, age 11
Plymouth-County, Massachusetts · implied b. ~1929 — 12 household members
| Surname | Brady |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Brockton City |
| 1935 Residence (County) | Plymouth |
| Highest Grade | 5 |
| 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 William Brady across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Brady
Son · 1940 · age 11 · b. ~1929 · Massachusetts
★ You are viewing this record
Sibling
Alice Brady
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Brady
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anne Brady
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Brady
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Phyllis Brady
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gertrude Brady
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joan Brady
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Philip Brady
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Brady
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gayle Brady
Sibling · 1940 · age 18
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 — Plymouth-County, Massachusetts
Open full size
1940 US Federal Census — Plymouth-County, Massachusetts
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01636-00269)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary Brady | 44 | Wife | Office | Massachusetts |
| 2 | Mary Brady | 19 | Daughter | Typist | Massachusetts |
| 3 | Gayle Brady | 18 | Son | New Worker | Massachusetts |
| 4 | Gertrude Brady | 17 | Daughter | — | Massachusetts |
| 5 | Alice Brady | 16 | Daughter | — | Massachusetts |
| 6 | Phyllis Brady | 14 | Daughter | — | Massachusetts |
| 7 | William Brady THIS PERSON | 11 | Son | — | Massachusetts |
| 8 | Helen Brady | 9 | Daughter | — | Massachusetts |
| 9 | Philip Brady | 8 | Son | — | Massachusetts |
| 10 | Anne Brady | 6 | Daughter | — | Massachusetts |
| 11 | George Brady | 5 | Son | — | Massachusetts |
| 12 | Joan Brady | 1 | Daughter | — | Massachusetts |
| 13 | Kenneth Wiggin | 54 | Head | Blacksmith | Massachusetts |
| 14 | Mary T. Wiggin | 52 | Wife | — | Massachusetts |
| 15 | Kenneth R. Wiggin | 25 | Son | Tack Finisher | Massachusetts |
| 16 | Harold L. Wiggin | 21 | Son | Stereotyper | Massachusetts |
| 17 | Dorothy Wiggin | 17 | Daughter | — | Massachusetts |
| 18 | Esther P. Wiggin | 14 | Daughter | — | Massachusetts |
| 19 | Oscar W. Anderson | 47 | Head | Sole Layer | Massachusetts |
| 20 | Florence Anderson | 48 | Wife | Clerk | Massachusetts |
| 21 | Harry O. Jackson | 47 | Head | Farmer | Massachusetts |
| 22 | Iona C. Jackson | 47 | Wife | — | Massachusetts |
| 23 | Harry O. Jr. Jackson | 21 | Son | Farm Hand | Massachusetts |
| 24 | Madeline Jackson | 18 | Daughter | — | Massachusetts |
| 25 | Barbara Jackson | 16 | Daughter | — | Massachusetts |
| 26 | Richard Jackson | 13 | Son | — | Massachusetts |
| 27 | Paul Jackson | 6 | Son | — | Massachusetts |
| 28 | Carol A. Jackson | 1 | Daughter | — | Massachusetts |
| 29 | Nels W. Nelson | 58 | Head | Eyeletter | Sweden |
| 30 | Hilda A. Nelson | 48 | Wife | — | Sweden |
| 31 | Vivian L. Nelson | 18 | Daughter | — | Massachusetts |
| 32 | Frank Rethunas | 25 | Head | Helper | Massachusetts |
| 33 | Frances Rethunas | 21 | Wife | — | Massachusetts |
| 34 | Frank Rethunas | 0 | Son | — | Massachusetts |
| 35 | Frances Rethunas | 0 | Daughter | — | Massachusetts |
| 36 | John W. Cudmore | 34 | Head | Mason | Massachusetts |
| 37 | Marjorie Cudmore | 34 | Wife | — | Nova Scotia |
| 38 | Ronald Dickson | 11 | Step son | — | Massachusetts |
| 39 | Gilbert Dickson | 9 | Step son | — | 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)