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Mary Mcdonough — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Suffolk, Massachusetts
Our Model Tree links this Mary Mcdonough across the 1930 and 1940 US Censuses in Suffolk, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1887), then head of a 6-person household.
Age 43
b. ~1887
Female
Head
Born: Irish Free State
Widowed
1930 Census Record Details
| Census Year | 1930 |
| Location | Suffolk, Massachusetts |
| Surname | McDonough |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Widowed |
| Birthplace | Irish Free State |
| Naturalization Status | Alien |
| Year of Immigration | 1900 |
| Age at First Marriage | 20 |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Additional Details | |
| Can Read/Write | Yes |
| Mother Tongue | Gaelic |
| Home Owned/Rented | R |
| Home Value / Rent | 14 |
| Veteran | No |
| Birthplace (normalized) | irish free state |
| Township / Ward | Boston |
| Est. Birth Year | ~1887 |
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.
6 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Mcdonough | Daughter | — | 16 | ~1914 |
| Catherine Mcdonough | Daughter | — | 8 | ~1922 |
| Mary Mcdonough | Head | — | 43 | ~1887 |
| Coleman Mcdonough | Son | — | 6 | ~1924 |
| Francis Mcdonough | Son | — | 11 | ~1919 |
| John Mcdonough | Son | — | 14 | ~1916 |
Census Appearances
1930
Suffolk, Massachusetts
Head, age 43
Suffolk, Massachusetts · implied b. ~1887 — 6 household members
| Surname | McDonough |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Widowed |
| Birthplace | Irish Free State |
| Naturalization Status | Alien |
| Year of Immigration | 1900 |
| Age at First Marriage | 20 |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Can Read/Write | Yes |
| Mother Tongue | Gaelic |
| Home Owned/Rented | R |
| Home Value / Rent | 14 |
| Veteran | No |
| Birthplace (normalized) | irish free state |
1940
Suffolk-County, Massachusetts
Spouse, age 52
Suffolk-County, Massachusetts · implied b. ~1888 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDonough |
| Given Name | Mary A. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Irish Free State |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Naturalization Status | Alien |
| Occupation | Cleaner |
| Industry | City Building |
| Class of Worker | GW |
| Hours Worked | 8 |
| Income (1939) | 450 |
| Highest Grade | No 8 |
| 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
Head · 1930 · age 43 · b. ~1887 · Massachusetts
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Suffolk, Massachusetts
Open full size
1930 US Federal Census — Suffolk, Massachusetts
Page Contents
36 people indexed on this census page (ia:1930:massachusettscensus00reel946:0488)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Elizabeth O'Keefe | 57 | Wife-H | — | Irish Free State |
| 2 | Catherine T. O'Keefe | 19 | Daughter | Stitcher | Massachusetts |
| 3 | James J. O'Keefe | 17 | Son | Errand Boy | Massachusetts |
| 4 | Daniel O'Keefe | 15 | Son | — | Massachusetts |
| 5 | Charles O'Keefe | 13 | Son | — | Massachusetts |
| 6 | Terrence Mcglincey | 29 | Head | Laborer | Northern Ireland |
| 7 | Elizabeth Mcglincey | 30 | Wife-H | — | Massachusetts |
| 8 | Mary Mcglincey | 9 | Daughter | — | Massachusetts |
| 9 | Catherine Mcglincey | 5 | Daughter | — | Massachusetts |
| 10 | Helen Mcglincey | 2 | Daughter | — | Massachusetts |
| 11 | Mary Mcdonough THIS PERSON | 43 | Head | — | Irish Free State |
| 12 | Mary Mcdonough | 16 | Daughter | — | Massachusetts |
| 13 | John Mcdonough | 14 | Son | — | Massachusetts |
| 14 | Francis Mcdonough | 11 | Son | — | Massachusetts |
| 15 | Catherine Mcdonough | 8 | Daughter | — | Massachusetts |
| 16 | Coleman Mcdonough | 6 | Son | — | Massachusetts |
| 17 | Frank J. Peache | 53 | Head | Teamster | Massachusetts |
| 18 | Mary Peache | 47 | Wife-H | — | Irish Free State |
| 19 | Leo F. Peache | 27 | Son | Vulcanizer | Massachusetts |
| 20 | Joseph M. Peache | 24 | Son | Longshoreman | Massachusetts |
| 21 | Francis J. Peache | 18 | Son | — | Massachusetts |
| 22 | William Peache | 10 | Son | — | Massachusetts |
| 23 | George E. Moylan | 53 | Head | Butcher | Massachusetts |
| 24 | Mary A. Moylan | 57 | Wife-H | — | England |
| 25 | Mary A. Moylan | 28 | Daughter | Inspector | Massachusetts |
| 26 | Thomas J. Moylan | 25 | Son | Chauffeur | Massachusetts |
| 27 | Joseph G. Moylan | 21 | Son | Chauffeur | Massachusetts |
| 28 | Agnes Moylan | 19 | Daughter | Label Wrapper | Massachusetts |
| 29 | Martin Moylan | 14 | Son | — | Massachusetts |
| 30 | Joseph J. Connolly | 48 | Head | Pipe Maker | Massachusetts |
| 31 | James J. Connolly | 60 | Father | — | Irish Free State |
| 32 | Margaret Connolly | 60 | Mother | — | Irish Free State |
| 33 | Barbara Connolly | 22 | Wife-H | — | Massachusetts |
| 34 | Barbara Foley | 52 | Head-H | Kitchen Work | Irish Free State |
| 35 | Mary Foley | 54 | Sister | — | Irish Free State |
| 36 | Lydia Bennett | 37 | Head-H | — | New Hampshire |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)