TM
Thomas Mcdonough — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this Thomas Mcdonough across the 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1927), then head of a 12-person household.
Age 13
b. ~1927
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | McDonough |
| Given Name | Thomas |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Highest Grade | H 5 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Boston |
| Est. Birth Year | ~1927 |
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 Thomas | Age | Birth yr |
|---|---|---|---|---|
| Mary Mcdonough | Daughter | — | 16 | ~1924 |
| Peter Mcdonough | Son | — | 3 | ~1937 |
| Thomas Mcdonough | Son | — | 13 | ~1927 |
| Paul Mcdonough | Son | — | ~1940 | |
| Michael Mcdonough | Son | — | 18 | ~1922 |
| Anthony Mcdonough | Son | — | 7 | ~1933 |
| Barbara Mcdonough | Spouse | — | 40 | ~1900 |
| Coleman Mcdonough | Son | — | 12 | ~1928 |
| Thomas Mcdonough | Head | — | 45 | ~1895 |
| Catherine Mcdonough | Daughter | — | 15 | ~1925 |
| Patrick Mcdonough | Son | — | 8 | ~1932 |
| Festus Mcdonough | Son | — | 10 | ~1930 |
Census Appearances
1930
Suffolk, Massachusetts
Son, age 3
Suffolk, Massachusetts · implied b. ~1927 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDonough |
| Given Name | Thomas |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Occupation | none |
| Can Read/Write | No |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Son, age 13
Suffolk-County, Massachusetts · implied b. ~1927 — 12 household members
| Surname | McDonough |
| Given Name | Thomas |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Highest Grade | H 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 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 13 · b. ~1927 · Massachusetts
★ You are viewing this record
Sibling
Festus Mcdonough
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anthony Mcdonough
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Mcdonough
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patrick Mcdonough
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Michael Mcdonough
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Mcdonough
Sibling · 1940 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Mcdonough
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Coleman Mcdonough
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Peter Mcdonough
Sibling · 1940 · age 3
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-t0627-01664-00209)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mary Flaherty | 23 | daughter | Clerk | Massachusetts |
| 42 | John Flaherty | 21 | son | Machinist | Massachusetts |
| 43 | Margaret Flaherty | 19 | daughter | Folder | Massachusetts |
| 44 | Patrick Flaherty | 17 | son | — | Massachusetts |
| 45 | Catherine Flaherty | 15 | daughter | — | Massachusetts |
| 46 | John Keohane | 63 | head | Clerk | Eire |
| 47 | Nora Keohane | 53 | wife | Clerk | Eire |
| 48 | John Shea | 39 | head | Roofer | Massachusetts |
| 49 | Agnes Shea | 38 | wife | — | Massachusetts |
| 50 | Dorothy Shea | 20 | daughter | Salesgirl | Massachusetts |
| 51 | Mildred Shea | 19 | daughter | Mother Helper | Massachusetts |
| 52 | John Shea | 16 | son | New Worker | Massachusetts |
| 53 | Alfred Shea | 13 | son | — | Massachusetts |
| 54 | James Shea | 8 | son | — | Massachusetts |
| 55 | Patricia Shea | 7 | daughter | — | Massachusetts |
| 56 | Gloria Shea | 4 | daughter | — | Massachusetts |
| 57 | Agnes Shea | 2 | daughter | — | Massachusetts |
| 58 | Catherine Shea | 0 | daughter | — | Massachusetts |
| 59 | Thomas Mcdonough | 45 | head | Laborer | Eire |
| 60 | Barbara Mcdonough | 40 | wife | — | Eire |
| 61 | Michael Mcdonough | 18 | son | Laborer | Massachusetts |
| 62 | Mary Mcdonough | 16 | daughter | New Worker | Massachusetts |
| 63 | Catherine Mcdonough | 15 | daughter | — | Massachusetts |
| 64 | Thomas Mcdonough THIS PERSON | 13 | son | — | Massachusetts |
| 65 | Coleman Mcdonough | 12 | son | — | Massachusetts |
| 66 | Festus Mcdonough | 10 | son | — | Massachusetts |
| 67 | Patrick Mcdonough | 8 | son | — | Massachusetts |
| 68 | Anthony Mcdonough | 7 | son | — | Massachusetts |
| 69 | Peter Mcdonough | 3 | son | — | Massachusetts |
| 70 | Paul Mcdonough | 0 | son | — | Massachusetts |
| 71 | Frank Pistorino | 27 | head | Laborer | Massachusetts |
| 72 | Mary Pistorino | 22 | wife | — | Massachusetts |
| 73 | Francis Pistorino | 5 | son | — | Massachusetts |
| 74 | Robert Pistorino | 3 | son | — | Massachusetts |
| 75 | Chadwick Hamilton | 28 | head | Sheet Metal Worker | Massachusetts |
| 76 | Stella Hamilton | 23 | wife | — | Massachusetts |
| 77 | Theresa Hamilton | 2 | daughter | — | Massachusetts |
| 78 | Arthur Conroy | 28 | head | Laborer | Massachusetts |
| 79 | Elizabeth Conroy | 24 | wife | — | Massachusetts |
| 80 | Mary Conroy | 3 | daughter | — | 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)