WF
William Foley — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this William Foley across the 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1928), then head of a 11-person household.
Age 12
b. ~1928
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Foley |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Woburn City |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Highest Grade | H 8 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Woburn City |
| Est. Birth Year | ~1928 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Mary Foley | Daughter | — | 16 | ~1924 |
| Anne Foley | Daughter | — | 4 | ~1936 |
| Joan Foley | Daughter | — | 6 | ~1934 |
| Ruth Foley | Daughter | — | 7 | ~1933 |
| Janet Foley | Daughter | — | 3 | ~1937 |
| Edward Foley | Head | — | 40 | ~1900 |
| William Foley | Son | — | 12 | ~1928 |
| James Foley | Son | — | 2 | ~1938 |
| Edward Foley | Son | — | 14 | ~1926 |
| Thomas Foley | Son | — | 10 | ~1930 |
| Marie Foley | Spouse | — | 41 | ~1899 |
Census Appearances
1930
Middlesex, Massachusetts
Son, age 2
Middlesex, Massachusetts · implied b. ~1928 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Foley |
| Given Name | William |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Maine |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Son, age 12
Middlesex-County, Massachusetts · implied b. ~1928 — 11 household members
| Surname | Foley |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Woburn City |
| 1935 Residence (County) | Middlesex |
| Highest Grade | H 8 |
| 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 Foley across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Foley
Son · 1940 · age 12 · b. ~1928 · Massachusetts
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Sibling
Joan Foley
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Foley
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Foley
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anne Foley
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Foley
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Janet Foley
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Foley
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Foley
Sibling · 1940 · age 2
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 — Middlesex-County, Massachusetts
Open full size
1940 US Federal Census — Middlesex-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01622-00408)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Nicholas J. Mcgovern | 78 | Head | — | Massachusetts |
| 2 | Mary Mcgovern | 74 | Wife | — | Massachusetts |
| 3 | Thomas Mcgovern | 39 | Son | Clerk | Massachusetts |
| 4 | Adelaide Mcgovern | 37 | Daughter | Teacher | Massachusetts |
| 5 | Susan Mcgovern | 30 | Daughter | — | Massachusetts |
| 6 | Martin J. Connolly | 62 | Head | Laborer | Massachusetts |
| 7 | Thomas Connolly | 66 | Brother | — | Massachusetts |
| 8 | Martin Connolly | 60 | Nephew | — | Massachusetts |
| 9 | Elizabeth Connolly | 55 | Niece | — | Massachusetts |
| 10 | Catherine Dugan | 69 | Sister | — | Irish Free State |
| 11 | George B. Tynan | 22 | Nephew | Delivery Clerk | Massachusetts |
| 12 | Richard Mceachern | 44 | Head | Laborer | Massachusetts |
| 13 | Josephine Mceachern | 41 | Wife | — | Massachusetts |
| 14 | Barbara Mceachern | 19 | Daughter | Laborer | Massachusetts |
| 15 | Mary Mceachern | 15 | Daughter | — | Massachusetts |
| 16 | Patricia Mceachern | 10 | Daughter | — | Massachusetts |
| 17 | Richard Mceachern | 6 | Son | — | Massachusetts |
| 18 | Lois Mceachern | 3 | Daughter | — | Massachusetts |
| 19 | Josephine Mceachern | 2 | Daughter | — | Massachusetts |
| 20 | John Mceachern | 1 | Son | — | Massachusetts |
| 21 | Edward J. Foley | 40 | Head | Letter Carrier | Massachusetts |
| 22 | Marie Foley | 41 | Wife | — | Massachusetts |
| 23 | Mary Foley | 16 | Daughter | — | Massachusetts |
| 24 | Edward Foley | 14 | Son | — | Massachusetts |
| 25 | William Foley THIS PERSON | 12 | Son | — | Massachusetts |
| 26 | Thomas Foley | 10 | Son | — | Massachusetts |
| 27 | Ruth Foley | 7 | Daughter | — | Massachusetts |
| 28 | Joan Foley | 6 | Daughter | — | Massachusetts |
| 29 | Anne Foley | 4 | Daughter | — | Massachusetts |
| 30 | Janet Foley | 3 | Daughter | — | Massachusetts |
| 31 | James Foley | 2 | Son | — | Massachusetts |
| 32 | Patrick J. Duran | 54 | Head | Finisher | Irish Free State |
| 33 | Teresa Duran | 51 | Wife | — | Irish Free State |
| 34 | Joseph Duran | 20 | Son | Laborer | Massachusetts |
| 35 | Kathryn Duran | 18 | Daughter | — | Massachusetts |
| 36 | Doris Duran | 16 | Daughter | — | Massachusetts |
| 37 | Peter Duran | 13 | Son | — | Massachusetts |
| 38 | Ethel Duran | 12 | Daughter | — | Massachusetts |
| 39 | Charlene Duran | 10 | Daughter | — | Massachusetts |
| 40 | Marjorie Duran | 8 | Daughter | — | 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)