MC
Mary Cummings — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Suffolk, Massachusetts
Our Model Tree links this Mary Cummings across the 1930 and 1940 US Censuses in Suffolk, Massachusetts (XGBoost, ~Confirmed) — first a spouse (b.~1883), then head of a 7-person household.
Age 47
b. ~1883
Female
Spouse
Born: Ireland
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Suffolk, Massachusetts |
| Surname | Cummings |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1903 |
| Age at First Marriage | 23 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Township / Ward | Boston City |
| Est. Birth Year | ~1883 |
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 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Alice Cummings | Daughter | — | 15 | ~1915 |
| Helen Cummings | Daughter | — | 9 | ~1921 |
| William Cummings | Head | — | 51 | ~1879 |
| William Cummings | Son | — | 21 | ~1909 |
| James Cummings | Son | — | 18 | ~1912 |
| John Cummings | Son | — | 12 | ~1918 |
| Mary Cummings | Spouse | — | 47 | ~1883 |
Census Appearances
1930
Suffolk, Massachusetts
Spouse, age 47
Suffolk, Massachusetts · implied b. ~1883 — 7 household members
| Surname | Cummings |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1903 |
| Age at First Marriage | 23 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
Middlesex-County, Massachusetts
Spouse, age 58
Middlesex-County, Massachusetts · implied b. ~1882 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cumming |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 58 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | Lowell city |
| 1935 Residence (County) | Middlesex |
| Naturalization Status | Naturalized |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 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 Mary Cummings across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Cummings
Spouse · 1930 · age 47 · b. ~1883 · 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
50 people indexed on this census page (ia:1930:massachusettscensus00reel954:0612)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Mary Anne Marsh | 23 | Daughter | — | Massachusetts |
| 52 | Edward Andrew Marsh | 57 | Boarder | Mechanical Engineer | England |
| 53 | Annie Marsh | 51 | Boarder | — | Ireland |
| 54 | Annie Marsh | 18 | Boarder | — | Massachusetts |
| 55 | Alice Marsh | 17 | Boarder | — | Massachusetts |
| 56 | Catherine Marsh | 15 | Boarder | — | Massachusetts |
| 57 | Daniel Marsh | 12 | Boarder | — | Massachusetts |
| 58 | James Marsh | 11 | Son | — | Massachusetts |
| 59 | John Marsh | 7 | Son | — | Massachusetts |
| 60 | Robert S. Hansen | 51 | Head | — | Canada-English |
| 61 | Elizabeth Hansen | 41 | Wife | — | Canada-English |
| 62 | Margaret Hansen | 8 | Daughter | — | Canada-English |
| 63 | Henry Bernard Hansen | 3 | Son | — | Canada-English |
| 64 | Samuel F. Smith | 51 | Head | — | Massachusetts |
| 65 | Alice G. Smith | 57 | Wife | — | Massachusetts |
| 66 | Alice Smith | 17 | Daughter | — | Massachusetts |
| 67 | Paul Smith | 13 | Son | — | Massachusetts |
| 68 | Richard Smith | 11 | Son | — | Massachusetts |
| 69 | Ernest Anderson | 51 | Head | — | Massachusetts |
| 70 | Mary Anderson | 50 | Wife | — | Massachusetts |
| 71 | William Mcdonough | 75 | Head | — | Massachusetts |
| 72 | Mary Mcdonough | 71 | Wife | — | Ireland |
| 73 | Mary Mcdonough | 40 | Daughter | — | Massachusetts |
| 74 | William Mcdonough | 46 | Head | — | Massachusetts |
| 75 | Alice Mcdonough | 46 | Wife | — | Massachusetts |
| 76 | Alice Winchester | 11 | Daughter | — | Massachusetts |
| 77 | Alice Winchester | 11 | Boarder | — | Maine |
| 78 | Richard Sullivan | 57 | Boarder | — | Ireland |
| 79 | Richard Sullivan | 23 | Son | — | Massachusetts |
| 80 | Robert Cameron | 77 | Head | — | Massachusetts |
| 81 | Elizabeth Cameron | 63 | Wife | — | Ireland |
| 82 | George Cameron | 34 | Son | — | Massachusetts |
| 83 | William Cameron | 24 | Son | — | Massachusetts |
| 84 | William Cummings | 51 | Head | — | Massachusetts |
| 85 | Mary Cummings THIS PERSON | 47 | Wife | — | Ireland |
| 86 | William Cummings | 21 | Son | — | Massachusetts |
| 87 | James Cummings | 18 | Son | — | Massachusetts |
| 88 | Alice Cummings | 15 | Daughter | — | Massachusetts |
| 89 | John Cummings | 12 | Son | — | Massachusetts |
| 90 | Helen Cummings | 9 | Daughter | — | Massachusetts |
| 91 | Mary Sutherland | 62 | Head | — | Ireland |
| 92 | Annie Sutherland | 40 | Daughter | — | Canada-French |
| 93 | William Larkin | 37 | Head | — | Massachusetts |
| 94 | Catherine Larkin | 36 | Wife | — | Ireland |
| 95 | William Larkin | 4 | Son | — | Massachusetts |
| 96 | James Moir | 58 | Head | Salesman | Scotland |
| 97 | Elizabeth Moir | 56 | Wife | — | Scotland |
| 98 | Clement Lewis | 64 | Head | — | Massachusetts |
| 99 | Agnes Lewis | 42 | Wife | — | New Hampshire |
| 100 | Arthur Moriarty | 46 | Head | Plumber | Massachusetts |
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)