JM
James Mcdonough — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this James Mcdonough across the 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1914), then head of a 10-person household.
Age 26
b. ~1914
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | McDonough |
| Given Name | James F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Woburn |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Woburn |
| Est. Birth Year | ~1914 |
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 James | Age | Birth yr |
|---|---|---|---|---|
| Emma Mcdonough | Daughter | — | 19 | ~1921 |
| Alice Mcdonough | Spouse | — | 55 | ~1885 |
| James Mcdonough | Son | — | 26 | ~1914 |
| Joseph Mcdonough | Son | — | 16 | ~1924 |
| Mary Mcdonough | Daughter | — | 23 | ~1917 |
| Emma Dugan | Other | — | 79 | ~1861 |
| Alice Mcdonough | Daughter | — | 14 | ~1926 |
| Catherine Mcdonough | Daughter | — | 24 | ~1916 |
| Francis Mcdonough | Son | — | 22 | ~1918 |
| James Mcdonough | Head | — | 55 | ~1885 |
Census Appearances
1930
Middlesex, Massachusetts
Son, age 16
Middlesex, Massachusetts · implied b. ~1914 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDonough |
| Given Name | James F. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Son, age 26
Middlesex-County, Massachusetts · implied b. ~1914 — 10 household members
| Surname | McDonough |
| Given Name | James F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Woburn |
| 1935 Residence (County) | Middlesex |
| Highest Grade | H 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 James Mcdonough across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Mcdonough
Son · 1940 · age 26 · b. ~1914 · Massachusetts
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Sibling
Joseph Mcdonough
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Emma Mcdonough
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Mcdonough
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Mcdonough
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Mcdonough
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Mcdonough
Sibling · 1940 · age 23
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-t0627-01622-00762)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Constance Pepper | 8 | Daughter | — | Massachusetts |
| 2 | Milton Harcourt | 62 | Head | Bartender | Canada French |
| 3 | Anthony Harcourt | 36 | Son | — | Massachusetts |
| 4 | Josephine Capone | 62 | Head | — | Italy |
| 5 | Rose Capone | 30 | Daughter | Fancy Packer | Massachusetts |
| 6 | Louis Capone | 29 | Son | Hill Driver | Massachusetts |
| 7 | Max Metzer | 32 | Head | Caretaker | Rhode Island |
| 8 | Mary Metzer | 35 | Wife | — | Scotland |
| 9 | Mary Metzer | 11 | Daughter | — | Massachusetts |
| 10 | James F. Mcdonough | 55 | Head | Inspector | Massachusetts |
| 11 | Alice E. Mcdonough | 55 | Wife | — | Massachusetts |
| 12 | James F. Mcdonough THIS PERSON | 26 | Son | — | Massachusetts |
| 13 | Catherine G. Mcdonough | 24 | Daughter | Stenographer | Massachusetts |
| 14 | Mary G. Mcdonough | 23 | Daughter | Nurse | Massachusetts |
| 15 | Francis T. Mcdonough | 22 | Son | — | Massachusetts |
| 16 | Emma F. Mcdonough | 19 | Daughter | Stenographer | Massachusetts |
| 17 | Joseph G. Mcdonough | 16 | Son | — | Massachusetts |
| 18 | Alice E. Mcdonough | 14 | Daughter | — | Massachusetts |
| 19 | Emma E. Dugan | 79 | Mother-in-law | — | England |
| 20 | John H. Mcdonald | 68 | Head | Real Estate | Massachusetts |
| 21 | Kenneth B. Mcdonald | 41 | Son | — | Massachusetts |
| 22 | Katherine A. Mcdonald | 58 | Sister | — | Massachusetts |
| 23 | Edmund J. St. Hilaire | 50 | Head | Barber | Vermont |
| 24 | Eva St. Hilaire | 50 | Wife | — | Massachusetts |
| 25 | Brendan E. St. Hilaire | 15 | Son | New Worker | New Hampshire |
| 26 | Mary E. St. Hilaire | 14 | Daughter | — | New Hampshire |
| 27 | Evelyn St. Hilaire | 24 | Daughter | Stitcher | Vermont |
| 28 | John F. Nelson | 69 | Head | Real Estate | Massachusetts |
| 29 | Margaret G. Nelson | 47 | Wife | — | Irish Free State |
| 30 | Mary M. Nelson | 18 | Daughter | New Worker | Massachusetts |
| 31 | Theodore Mcgaun | 50 | Head | Designer, Mechanic | Connecticut |
| 32 | Winifred J. Mcgaun | 46 | Wife | — | Massachusetts |
| 33 | Arthur E. Mcgaun | 24 | Son | Baggage Master | Massachusetts |
| 34 | Virginia M. Mcgaun | 21 | Daughter | Hairdresser | Massachusetts |
| 35 | Robert F. Mcgaun | 19 | Son | Cinema | Massachusetts |
| 36 | Anne Mcgaun | 14 | Daughter | — | Massachusetts |
| 37 | Elaine T. Mcgaun | 11 | Daughter | — | Massachusetts |
| 38 | Annie J. Haleh | 72 | Head | — | Irish Free State |
| 39 | Mary W. Haleh | 42 | Daughter | Quilter | Massachusetts |
| 40 | John F. Haleh | 39 | Son | Chauffeur | 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)