TM
Thomas Mcdonough — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Thomas Mcdonough across the 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1924), then head of a 10-person household.
Age 16
b. ~1924
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | McDonough |
| Given Name | Thomas J. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Medford city |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Hours Worked | 6 |
| Highest Grade | H 1 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Medford City |
| Est. Birth Year | ~1924 |
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 Thomas | Age | Birth yr |
|---|---|---|---|---|
| Anna Sullivan | Other | — | 74 | ~1866 |
| Thomas Mcdonough | Head | — | 49 | ~1891 |
| J Mcdonough | Son | — | 10 | ~1930 |
| Thomas Mcdonough | Son | — | 16 | ~1924 |
| Sheila Mcdonough | Daughter | — | 3 | ~1937 |
| Anna Mcdonough | Daughter | — | 18 | ~1922 |
| Mary Mcdonough | Daughter | — | 20 | ~1920 |
| Katherine Mcdonough | Spouse | — | 47 | ~1893 |
| Barbara Mcdonough | Daughter | — | 13 | ~1927 |
| Geraldine Mcdonough | Daughter | — | 14 | ~1926 |
Census Appearances
1930
Middlesex, Massachusetts
Son, age 6
Middlesex, Massachusetts · implied b. ~1924 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDonough |
| Given Name | Thomas Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Son, age 16
Middlesex-County, Massachusetts · implied b. ~1924 — 10 household members
| Surname | McDonough |
| Given Name | Thomas J. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Medford city |
| 1935 Residence (County) | Middlesex |
| Hours Worked | 6 |
| Highest Grade | H 1 |
| 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 Thomas Mcdonough across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Thomas Mcdonough
Son · 1940 · age 16 · b. ~1924 · Massachusetts
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Sibling
Geraldine Mcdonough
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sheila Mcdonough
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Barbara Mcdonough
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Mcdonough
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Mcdonough
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
J Mcdonough
Sibling · 1940 · age 10
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
39 people indexed on this census page (nara:1940:m-t0627-01611-00629)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Bessie P. Haddock | 58 | Wife | — | Massachusetts |
| 42 | Lester J. Haddock | 17 | Son | — | Massachusetts |
| 43 | Marian B. Santo | 83 | Mother-in-law | — | Maine |
| 44 | F. Weston James | 40 | Head | Salesman | Massachusetts |
| 45 | Mildred E. James | 33 | Wife | — | Massachusetts |
| 46 | Weston W. James | 11 | Son | — | Massachusetts |
| 47 | Richard E. James | 9 | Son | — | Massachusetts |
| 48 | Virginia L. James | 5 | Daughter | — | Massachusetts |
| 49 | Thomas J. Mcdonough | 49 | Head | Merchandise Man | Massachusetts |
| 50 | Katherine M. Mcdonough | 47 | Wife | — | Massachusetts |
| 51 | Mary E. Mcdonough | 20 | Daughter | Dietician | Massachusetts |
| 52 | Anna L. Mcdonough | 18 | Daughter | New Worker | Massachusetts |
| 53 | Thomas J. Jr. Mcdonough THIS PERSON | 16 | Son | — | Massachusetts |
| 54 | Geraldine M. Mcdonough | 14 | Daughter | — | Massachusetts |
| 55 | Barbara A. Mcdonough | 13 | Daughter | — | Massachusetts |
| 56 | J. Paul Mcdonough | 10 | Son | — | Massachusetts |
| 57 | Sheila M. Mcdonough | 3 | Daughter | — | Massachusetts |
| 58 | Anna L. Sullivan | 74 | Mother-in-law | — | New York City |
| 60 | Walter J. Burns | 52 | Head | Manager | Rhode Island |
| 61 | Mildred R. Burns | 45 | Wife | — | Massachusetts |
| 62 | Priscilla A. Burns | 22 | Daughter | New Worker | Massachusetts |
| 63 | Elizabeth R. Burns | 19 | Daughter | New Worker | Massachusetts |
| 64 | Virginia Burns | 17 | Daughter | — | Massachusetts |
| 65 | John J. Bray | 33 | Head | Salesman | Massachusetts |
| 66 | M. Esther Bray | 29 | Wife | — | Pennsylvania |
| 67 | John J. Iii Bray | 2 | Son | — | Massachusetts |
| 68 | Josephine C. Bray | 1 | Daughter | — | Massachusetts |
| 69 | Rita M. Reynolds | 14 | Lodger | — | Canada |
| 70 | David E. Offenbach | 26 | Head | General Contractor | Massachusetts |
| 71 | Carol F. Offenbach | 26 | Wife | — | Maine |
| 72 | Dorothy E. Offenbach | 49 | Mother | — | England |
| 73 | Elsie B. Offenbach | 28 | Sister | New Worker | Massachusetts |
| 74 | Gilbert Bertolami | 41 | Head | Beautician | Italy |
| 75 | Lillian R. Bertolami | 35 | Wife | Bookkeeper | Massachusetts |
| 76 | Louis Loconte | 51 | Head | Importer | Italy |
| 77 | Jane Loconte | 40 | Wife | — | Russia |
| 78 | Louis Jr. Loconte | 13 | Son | — | Massachusetts |
| 79 | Carl L. Loconte | 7 | Son | — | Massachusetts |
| 80 | Nicholas Savanna | 51 | Head | Physician | Italy |
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)