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Mary Mcdonough — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this Mary Mcdonough across the 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a spouse (b.~1892), then head of a 7-person household.
Age 48
b. ~1892
Female
Spouse
Born: Irish Free State
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | McDonough |
| Given Name | Mary A |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Irish Free State |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Naturalization Status | First papers filed |
| Additional Details | |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birthplace (normalized) | irish free state |
| Township / Ward | Boston |
| Est. Birth Year | ~1892 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Agnes Mcdonough | Daughter | — | 20 | ~1920 |
| Mildred Mcdonough | Daughter | — | 18 | ~1922 |
| Theresa Mcdonough | Daughter | — | 9 | ~1931 |
| Coleman Mcdonough | Head | — | 50 | ~1890 |
| Joseph Mcdonough | Son | — | 22 | ~1918 |
| George Mcdonough | Son | — | 12 | ~1928 |
| Mary Mcdonough | Spouse | — | 48 | ~1892 |
Census Appearances
1930
Suffolk, Massachusetts
Other, age 39
Suffolk, Massachusetts · implied b. ~1891 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDonough |
| Given Name | Mary |
| Relationship to Head | wife-H |
| Sex | F |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Irish Free State |
| Naturalization Status | Naturalized |
| Year of Immigration | 1905 |
| Age at First Marriage | 27 |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Occupation | none |
| Can Read/Write | Yes |
| Mother Tongue | Gaelic |
| Veteran | Yes |
| Birthplace (normalized) | irish free state |
1940
Suffolk-County, Massachusetts
Spouse, age 48
Suffolk-County, Massachusetts · implied b. ~1892 — 7 household members
| Surname | McDonough |
| Given Name | Mary A |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Irish Free State |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Naturalization Status | First papers filed |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birthplace (normalized) | irish free state |
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 Mary Mcdonough across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Mcdonough
Spouse · 1940 · age 48 · b. ~1892 · 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-t0627-01664-00418)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary O Backman | 52 | Wife | — | Mass |
| 2 | William P Mcdermott | 36 | Head | Physician | Mass |
| 3 | Alice Thomas | 26 | Wife | — | Mass |
| 4 | Robert Thomas | 4 | Son | — | Mass |
| 5 | William Jr Thomas | 2 | Son | — | Mass |
| 6 | Coleman Mcdonough | 50 | Head | Laborer | Irish Free State |
| 7 | Mary A Mcdonough THIS PERSON | 48 | Wife | — | Irish Free State |
| 8 | Joseph Mcdonough | 22 | Son | Laborer | Mass |
| 9 | Agnes Mcdonough | 20 | Daughter | Saleswoman | Mass |
| 10 | Mildred Mcdonough | 18 | Daughter | Saleswoman | Mass |
| 11 | George Mcdonough | 12 | Son | — | Mass |
| 12 | Theresa Mcdonough | 9 | Daughter | — | Mass |
| 13 | Alfred J Florent | 45 | Head | Painting | Mass |
| 14 | Catherine Florent | 42 | Wife | — | Mass |
| 15 | Nathalie Florent | 10 | Daughter | — | Mass |
| 16 | Charles A Mccarthy | 36 | Head | Electrician | Mass |
| 17 | Muriel P Mccarthy | 30 | Wife | — | Mass |
| 18 | Frederick A Mccarthy | 8 | Son | — | Mass |
| 19 | Muriel C Mccarthy | 5 | Daughter | — | Mass |
| 20 | Alana M Mccarthy | 1 | Daughter | — | Mass |
| 21 | William Kendrick | 46 | Head | Field Engineer | Mass |
| 22 | Margaret A Kendrick | 41 | Wife | — | Mass |
| 23 | Eleanor Kendrick | 20 | Daughter | — | Mass |
| 24 | William Jr Kendrick | 10 | Son | — | Mass |
| 25 | James J Dolan | 64 | Head | Bagman | England |
| 26 | Gertrude Dolan | 62 | Wife | — | Mass |
| 27 | George Wilkins | 49 | Head | Longshoreman | Mass |
| 28 | Delia Wilkins | 54 | Wife | — | Irish Free State |
| 29 | Irene Wilkins | 20 | Daughter | Factory Worker | Mass |
| 30 | Marie Wilkins | 18 | Daughter | — | Mass |
| 31 | Patrick Shehan | 44 | Head | Milkman | Mass |
| 32 | Mary J Shehan | 44 | Wife | — | Mass |
| 33 | David D Anderson | 26 | Head | Salesman | Mass |
| 34 | Evelyn Anderson | 28 | Wife | — | Mass |
| 35 | Marilyn Anderson | 5 | Daughter | — | Mass |
| 36 | William Anderson | 3 | Son | — | Mass |
| 37 | Genevieve C Mackey | 25 | Head | Teacher | Mass |
| 38 | Katherine Mackey | 54 | Mother | — | Irish Free State |
| 39 | Lois E Macfadyen | 47 | Servant | — | Maine |
| 40 | Michael E O'Leary | 57 | Head | Lawyer | Mass |
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)