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John Mcdonough — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this John Mcdonough across the 1920, 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1884), then head of a 9-person household.
Age 56
b. ~1884
Male
Head
Born: Ireland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | McDonough |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Laborer |
| Industry | Wool |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1200 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Occupation | Laborer |
| Township / Ward | Boston |
| Est. Birth Year | ~1884 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Katherine Mcdonough | Daughter | — | 23 | ~1917 |
| Margaret Mcdonough | Daughter | — | 17 | ~1923 |
| Anna Mcdonough | Daughter | — | 16 | ~1924 |
| John Mcdonough | Head | — | 56 | ~1884 |
| Bernard Mcdonough | Son | — | 14 | ~1926 |
| John Mcdonough | Son | — | 22 | ~1918 |
| Joseph Mcdonough | Son | — | 10 | ~1930 |
| Thomas Mcdonough | Son | — | 19 | ~1921 |
| Mary Mcdonough | Spouse | — | 50 | ~1890 |
Census Appearances
1920
Suffolk, Massachusetts
Other, age 39
Suffolk, Massachusetts · implied b. ~1881 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDonough |
| Given Name | John |
| Relationship to Head | Lodger |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Single |
| Birthplace | Ireland |
| Year of Immigration | 1915 |
| Naturalization Status | Alien |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Labourer |
| Industry | Wool Store |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1930
Suffolk, Massachusetts
Head, age 48
Suffolk, Massachusetts · implied b. ~1882 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDonough |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1910 |
| Age at First Marriage | 24 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Laborer |
| Industry | Railway |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Home Value / Rent | 25 |
| Veteran | No |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
Suffolk-County, Massachusetts
Head, age 56
Suffolk-County, Massachusetts · implied b. ~1884 — 9 household members
| Surname | McDonough |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Naturalization Status | Naturalized |
| Occupation | Laborer |
| Industry | Wool |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1200 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
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 John Mcdonough across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Mcdonough
Head · 1940 · age 56 · b. ~1884 · Massachusetts
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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-t0627-01665-00413)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Barbara Alphenhaar | 34 | Mother | Card Reader | France |
| 42 | Gerard Alphenhaar | 4 | Son | — | Massachusetts |
| 43 | Henrich Alphenhaar | 2 | Son | — | Massachusetts |
| 44 | Teresa Alphenhaar | 57 | Boarder | — | Algeria |
| 45 | John Walsh | 60 | Head | Checker | Ireland |
| 46 | Josephine Walsh | 50 | Wife | — | Ireland |
| 47 | Mary A. Walsh | 26 | Daughter | Packer | Massachusetts |
| 48 | John J. Walsh | 24 | Son | Clerk | Massachusetts |
| 49 | Josephine Walsh | 22 | Daughter | Waitress | Massachusetts |
| 50 | Helen J. Walsh | 20 | Daughter | Packer | Massachusetts |
| 51 | Gertrude Walsh | 18 | Daughter | — | Massachusetts |
| 52 | James P. Walsh | 16 | Son | — | Massachusetts |
| 53 | Claire L. Walsh | 14 | Daughter | — | Massachusetts |
| 54 | Theresa Walsh | 11 | Daughter | — | Massachusetts |
| 55 | Marguerite Walsh | 8 | Daughter | — | Massachusetts |
| 56 | John Campbell | 48 | Head | — | Massachusetts |
| 57 | Nora (X) Campbell | 43 | Wife | — | Ireland |
| 58 | Charles Campbell | 15 | Son | — | Massachusetts |
| 59 | John Campbell | 13 | Son | — | Massachusetts |
| 60 | Mary Campbell | 6 | Daughter | — | Massachusetts |
| 61 | Paul Campbell | 3 | Son | — | Massachusetts |
| 62 | Mary A. Horgan | 54 | Head | — | England |
| 63 | Richard L. Horgan | 24 | Son | Salesclerk | Massachusetts |
| 64 | Edward Horgan | 23 | Son | Laborer | Massachusetts |
| 65 | John Mcdonough THIS PERSON | 56 | Head | Laborer | Ireland |
| 66 | Mary Mcdonough | 50 | Wife | — | Ireland |
| 67 | Katherine Mcdonough | 23 | Daughter | Packer | Massachusetts |
| 68 | John J. Mcdonough | 22 | Son | Grinder | Massachusetts |
| 69 | Thomas Mcdonough | 19 | Son | Clerk | Massachusetts |
| 70 | Margaret Mcdonough | 17 | Daughter | — | Massachusetts |
| 71 | Anna E. Mcdonough | 16 | Daughter | — | Massachusetts |
| 72 | Bernard Mcdonough | 14 | Son | — | Massachusetts |
| 73 | Joseph Mcdonough | 10 | Son | — | Massachusetts |
| 74 | Anna Foley | 58 | Head | — | Ireland |
| 75 | Anne Mcdonough | 36 | Daughter | Typist | Massachusetts |
| 76 | Agnes Mcdonough | 26 | Daughter | Inspector | Massachusetts |
| 77 | John Mcdonough | 24 | Son | Freight Clerk | Massachusetts |
| 78 | Nora O'Neil | 52 | Head | — | Newfoundland |
| 79 | Mary O'Neil | 27 | Daughter | Inspector | Massachusetts |
| 80 | John O'Neil | 24 | Son | Inspector | 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)