TM
Thomas Mcdonough — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Essex-County, Massachusetts
Our Model Tree links this Thomas Mcdonough across the 1930 and 1940 US Censuses in Essex-County, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1924), then head of a 11-person household.
Age 16
b. ~1924
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Essex-County, Massachusetts |
| Surname | McDonough |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Lynn City |
| 1935 Residence (County) | Essex |
| Additional Details | |
| Highest Grade | Hs 3 |
| 1935 Residence | Same house |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Lynn 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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Thomas | Age | Birth yr |
|---|---|---|---|---|
| Robert Mcdonough | Son | — | 4 | ~1936 |
| Marie Mcdonough | Spouse | — | 38 | ~1902 |
| Edward Mcdonough | Head | — | 36 | ~1904 |
| Lorraine Mcdonough | Daughter | — | 6 | ~1934 |
| Thomas Mcdonough | Son | — | 16 | ~1924 |
| Catherine Mcdonough | Daughter | — | 14 | ~1926 |
| Rose Mcdonough | Daughter | — | 13 | ~1927 |
| Richard Mcdonough | Son | — | 9 | ~1931 |
| Marie Mcdonough | Daughter | — | 16 | ~1924 |
| Frances Mcdonough | Daughter | — | 2 | ~1938 |
| Edward Mcdonough | Son | — | 11 | ~1929 |
Census Appearances
1930
Essex, Massachusetts
Son, age 6
Essex, Massachusetts · implied b. ~1924 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDonough |
| Given Name | Thomas |
| 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
Essex-County, Massachusetts
Son, age 16
Essex-County, Massachusetts · implied b. ~1924 — 11 household members
| Surname | McDonough |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Lynn City |
| 1935 Residence (County) | Essex |
| Highest Grade | Hs 3 |
| 1935 Residence | Same house |
| 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
★ You are viewing this record
Sibling
Frances Mcdonough
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rose Mcdonough
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lorraine Mcdonough
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Mcdonough
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Mcdonough
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Mcdonough
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Mcdonough
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marie Mcdonough
Sibling · 1940 · age 16
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 — Essex-County, Massachusetts
Open full size
1940 US Federal Census — Essex-County, Massachusetts
Page Contents
23 people indexed on this census page (nara:1940:m-t0627-01697-00439)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Joan O'Brien | 6 | Daughter | — | Massachusetts |
| 42 | Phillip O'Brien | 3 | Son | — | Massachusetts |
| 43 | Thomas O'Brien | 1 | Son | — | Massachusetts |
| 44 | Joseph Louis | 56 | Head | Machinist | Poland |
| 45 | Katherine Louis | 50 | Wife | — | Poland |
| 46 | Florence Mcauliffe | 68 | Head | — | Ireland |
| 47 | Gertrude Mcauliffe | 35 | Daughter | Secretary | Massachusetts |
| 48 | James Mullen | 11 | Grandson | — | Massachusetts |
| 49 | Robert Mullen | 7 | Grandson | — | Massachusetts |
| 50 | Barbara Mullen | 4 | Granddaughter | — | Massachusetts |
| 51 | Edward R. Mcdonough | 36 | Head | Machinist | Massachusetts |
| 52 | Marie H. Mcdonough | 38 | Wife | — | Massachusetts |
| 53 | Marie Mcdonough | 16 | Daughter | — | Massachusetts |
| 54 | Thomas Mcdonough THIS PERSON | 16 | Son | — | Massachusetts |
| 55 | Catherine Mcdonough | 14 | Daughter | — | Massachusetts |
| 56 | Rose Mcdonough | 13 | Daughter | — | Massachusetts |
| 57 | Edward Mcdonough | 11 | Son | — | Massachusetts |
| 58 | Richard Mcdonough | 9 | Son | — | Massachusetts |
| 59 | Lorraine Mcdonough | 6 | Daughter | — | Massachusetts |
| 60 | Robert Mcdonough | 4 | Son | — | Massachusetts |
| 61 | Frances Mcdonough | 2 | Daughter | — | Massachusetts |
| 62 | Martin E. Flynn | 49 | Head | — | Canada-Eng |
| 63 | Rosa Flynn | 44 | Wife | Housekeeper | Eire |
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)