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William Read — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this William Read across the 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1929), then head of a 10-person household.
Age 11
b. ~1929
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Read |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Highest Grade | 4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Boston |
| 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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Theresa Read | Daughter | — | 5 | ~1935 |
| Ruth Read | Daughter | — | 7 | ~1933 |
| Kathryn Read | Daughter | — | 16 | ~1924 |
| Bertha Read | Spouse | — | 38 | ~1902 |
| Rena Read | Daughter | — | 17 | ~1923 |
| Richard Read | Son | — | 9 | ~1931 |
| William Read | Son | — | 11 | ~1929 |
| Bertha Read | Daughter | — | 12 | ~1928 |
| Gloria Read | Daughter | — | 6 | ~1934 |
| William Read | Head | — | 46 | ~1894 |
Census Appearances
1930
Suffolk, Massachusetts
Son, age 1
Suffolk, Massachusetts · implied b. ~1929 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Reid |
| Given Name | William A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Canada English |
| Mother's Birthplace | Canada English |
| Occupation | none |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Son, age 11
Suffolk-County, Massachusetts · implied b. ~1929 — 10 household members
| Surname | Read |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Highest Grade | 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 William Read across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Read
Son · 1940 · age 11 · b. ~1929 · Massachusetts
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Sibling
Gloria Read
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bertha Read
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rena Read
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Theresa Read
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Read
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kathryn Read
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Read
Sibling · 1940 · age 7
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-t0627-01675-00260)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Henry H. D. Thompson | 37 | Head | Street Power Operator | Minnesota |
| 2 | Erna Thompson | 33 | Wife | — | Germany |
| 3 | Louis H. Thompson | 15 | Son | — | Ohio |
| 4 | William Read | 46 | Head | Laborer | Massachusetts |
| 5 | Bertha D. Read | 38 | Wife | — | Connecticut |
| 6 | Rena Read | 17 | Daughter | — | Massachusetts |
| 7 | Kathryn Read | 16 | Daughter | — | Massachusetts |
| 8 | Bertha Read | 12 | Daughter | — | Massachusetts |
| 9 | William Read THIS PERSON | 11 | Son | — | Massachusetts |
| 10 | Richard Read | 9 | Son | — | Massachusetts |
| 11 | Ruth Read | 7 | Daughter | — | Massachusetts |
| 12 | Gloria Read | 6 | Daughter | — | Massachusetts |
| 13 | Theresa Read | 5 | Daughter | — | Massachusetts |
| 14 | Evelyn D. Mcaulney | 33 | Head | — | Massachusetts |
| 15 | Francis Mcaulney | 15 | Son | — | Massachusetts |
| 16 | Joseph Mcaulney | 12 | Son | — | Massachusetts |
| 17 | Michael Mahan | 30 | Head | Laborer | Massachusetts |
| 18 | Eva A. Mahan | 23 | Wife | — | Pennsylvania |
| 19 | Dorothy Mahan | 4 | Daughter | — | Massachusetts |
| 20 | Michael Mahan | 2 | Son | — | Massachusetts |
| 21 | Patricia Mahan | 2 | Daughter | — | Massachusetts |
| 22 | Loretta Mahan | 0 | Daughter | — | Massachusetts |
| 23 | Walter J. Ford | 32 | Head | Steamship Clerk | Massachusetts |
| 24 | Mary E. Ford | 32 | Wife | — | Massachusetts |
| 25 | Edward Ford | 4 | Son | — | Massachusetts |
| 26 | Elizabeth A. Ford | 1 | Daughter | — | Massachusetts |
| 27 | Thomas Blespas | 59 | Head | — | Lithuania |
| 28 | Alice Blespas | 46 | Wife | — | Lithuania |
| 29 | Thomas Blespas | 22 | Son | New Worker | Massachusetts |
| 30 | William Blespas | 17 | Son | New Worker | Massachusetts |
| 31 | Alice G. O'Neill | 42 | Head | — | Massachusetts |
| 32 | Owen F. O'Neill | 22 | Son | Roofer | Massachusetts |
| 33 | Helen T. O'Neill | 20 | Daughter | File Clerk | Massachusetts |
| 34 | John B. O'Neill | 18 | Son | Labor | Massachusetts |
| 35 | Alice M. O'Neill | 10 | Daughter | — | Massachusetts |
| 36 | Bernadine O'Neill | 4 | Daughter | — | Canada |
| 37 | Jacob Mashure | 45 | Head | Helper | Poland |
| 38 | John H. Craig | 40 | Head | Pipe Fitter | Massachusetts |
| 39 | Mary D. Craig | 40 | Wife | — | 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)