MC
Mary Cummings — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this Mary Cummings across the 1920, 1930 and 1940 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed) — first a spouse (b.~1878), then head of a 4-person household.
Age 42
b. ~1878
Female
Spouse
Born: Maine
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Middlesex, Massachusetts |
| Surname | Cummings |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Maine |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | Laundress |
| Industry | Private Family |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Irish |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
| Occupation | Laundress |
| Township / Ward | Cambridge City |
| Est. Birth Year | ~1878 |
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.
4 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| John Cummings | Head | — | 43 | ~1877 |
| William Cummings | Son | — | 7 | ~1913 |
| Martin Cummings | Son | — | 12 | ~1908 |
| Mary Cummings | Spouse | — | 42 | ~1878 |
Census Appearances
1920
Middlesex, Massachusetts
Spouse, age 42
Middlesex, Massachusetts · implied b. ~1878 — 4 household members
| Surname | Cummings |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Maine |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Laundress |
| Industry | Private Family |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Irish |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
1930
Middlesex, Massachusetts
Spouse, age 53
Middlesex, Massachusetts · implied b. ~1877 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cummings |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Maine |
| Age at First Marriage | 27 |
| Father's Birthplace | Maine |
| Mother's Birthplace | Maine |
| Can Read/Write | Yes |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
1940
Middlesex-County, Massachusetts
Other, age 60
Middlesex-County, Massachusetts · implied b. ~1880 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cummings |
| Given Name | Margaret |
| Relationship to Head | Roomer |
| Sex | F |
| Color / Race | White |
| Age | 60 |
| Marital Status | Married |
| Birthplace | Maine |
| 1935 Residence (City) | Cambridge City |
| 1935 Residence (County) | Middlesex |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
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 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Cummings
Spouse · 1920 · age 42 · b. ~1878 · Massachusetts
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Middlesex, Massachusetts
Open full size
1920 US Federal Census — Middlesex, Massachusetts
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu708unit:0997)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Thomas Murnane | 58 | Head | Cement Worker | Massachusetts |
| 52 | Bridget Murnane | 49 | Wife | — | Ireland |
| 53 | John Murnane | 25 | Son | Printer | Massachusetts |
| 54 | Mary Murnane | 23 | Daughter | Telephone Op | Massachusetts |
| 55 | Thomas Murnane | 22 | Son | Printer | Massachusetts |
| 56 | Catherine Murnane | 20 | Daughter | Telephone Op | Massachusetts |
| 57 | Elizabeth Murnane | 19 | Daughter | Stenographer | Massachusetts |
| 58 | Herbert Murnane | 17 | Son | Laborer | Massachusetts |
| 59 | Edward Murnane | 16 | Son | Printer | Massachusetts |
| 60 | Francis Murnane | 14 | Son | — | Massachusetts |
| 61 | James Murnane | 11 | Son | — | Massachusetts |
| 62 | Michael Blaine | 49 | Head | Engineer | Massachusetts |
| 63 | Ethel Blaine | 44 | Wife | — | Massachusetts |
| 64 | Alma Blaine | 13 | Daughter | — | Massachusetts |
| 65 | Elsie Blaine | 11 | Daughter | — | Massachusetts |
| 66 | Ethel Blaine | 9 | Daughter | — | Massachusetts |
| 67 | Roy Blaine | 8 | Son | — | Massachusetts |
| 68 | Lloyd Blaine | 6 | Son | — | Massachusetts |
| 69 | Ruth Blaine | 3 | Daughter | — | Massachusetts |
| 70 | Thomas Haley | 31 | Head | Gardener | Ireland |
| 71 | Mary Haley | 31 | Wife | — | Ireland |
| 72 | David Haley | 4 | Son | — | Massachusetts |
| 73 | Mary Haley | 2 | Daughter | — | Massachusetts |
| 74 | Thomas Lovely | 29 | Brother-in-law | Meat Cutter | Ireland |
| 75 | Patrick Lovely | 21 | Brother-in-law | Meat Cutter | Ireland |
| 76 | William Lovely | 19 | Brother-in-law | Rubber Worker | Ireland |
| 77 | Catherine Mcleone | 45 | Head | — | Massachusetts |
| 78 | Margaret Mcleone | 23 | Daughter | — | Massachusetts |
| 79 | Elizabeth Mcleone | 21 | Daughter | Bookkeeper | Massachusetts |
| 80 | John Mcleone | 20 | Son | Printer | Massachusetts |
| 81 | Stephen Mcleone | 26 | Son | Chauffeur | Massachusetts |
| 82 | Richard Mcleone | 18 | Son | Printer | Massachusetts |
| 83 | Joseph Boccia | 58 | Head | — | Italy |
| 84 | Angelina Boccia | 57 | Wife | — | Italy |
| 85 | Cosmo Capobianco | 26 | Son-in-law | Gardener | Italy |
| 86 | Mary Capobianco | 22 | Daughter | — | Italy |
| 87 | Joseph Capobianco | 4 | Grandson | — | Italy |
| 88 | Michael Capobianco | 2 | Grandson | — | Massachusetts |
| 89 | Frank Capobianco | 1 | Grandson | — | Massachusetts |
| 90 | John Cummings | 43 | Head | Soap Maker | New York |
| 91 | Mary Cummings THIS PERSON | 42 | Wife | Laundress | Maine |
| 92 | Martin Cummings | 12 | Son | — | Massachusetts |
| 93 | William Cummings | 7 | Son | — | Massachusetts |
| 94 | Patrick Fahey | 60 | Head | Dealer | Ireland |
| 95 | Margaret Fahey | 61 | Wife | — | Ireland |
| 96 | Matthew Doherty | 39 | Head | Foreman | Massachusetts |
| 97 | Margaret Doherty | 39 | Wife | — | Ireland |
| 98 | Margaret Doherty | 6 | Daughter | — | Massachusetts |
| 99 | John Doherty | 4 | Son | — | England |
| 100 | Alice Doherty | 2 | Daughter | — | Massachusetts |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)