MC
Mary Curran — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this Mary Curran across the 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a spouse (b.~1894), then head of a 9-person household.
Age 46
b. ~1894
Female
Spouse
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Curran |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Boston City |
| Est. Birth Year | ~1894 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Jeremiah Curran | Head | — | 49 | ~1891 |
| Helen Curran | Daughter | — | 21 | ~1919 |
| William Curran | Son | — | 22 | ~1918 |
| Jeremiah Curran | Son | — | 20 | ~1920 |
| James Curran | Son | — | 13 | ~1927 |
| Mary Curran | Spouse | — | 46 | ~1894 |
| Edward Curran | Son | — | 6 | ~1934 |
| John Curran | Son | — | 10 | ~1930 |
| Richard Curran | Son | — | 17 | ~1923 |
Census Appearances
1930
Suffolk, Massachusetts
Spouse, age 35
Suffolk, Massachusetts · implied b. ~1895 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Curran |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Age at First Marriage | 25 |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Spouse, age 46
Suffolk-County, Massachusetts · implied b. ~1894 — 9 household members
| Surname | Curran |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
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 Curran across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Curran
Spouse · 1940 · age 46 · b. ~1894 · 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-t0627-01664-00767)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Barbara A. Wasserman | 10 | Daughter | — | Massachusetts |
| 2 | Robert Wasserman | 3 | Son | — | Massachusetts |
| 3 | William Wallace | 45 | Lodger | Moulder | New Hampshire |
| 4 | Frank Powers | 40 | Lodger | Longshoreman | Massachusetts |
| 5 | Hannibal Kipari | 48 | Head | Music-Teacher | Italy |
| 6 | Nora F. Butler | 54 | Head | Matron | Eire |
| 7 | Catherine Butler | 22 | Daughter | Finisher | Massachusetts |
| 8 | Mary Butler | 14 | Daughter | — | Massachusetts |
| 9 | Daniel Donahue | 60 | Lodger | Laborer | Massachusetts |
| 10 | Joseph Ennis | 55 | Head | — | Portugal |
| 11 | Mary T. Ennis | 48 | Wife | — | Massachusetts |
| 12 | Arlene Ennis | 26 | Daughter | Seamstress | Massachusetts |
| 13 | Edward Ennis | 24 | Son | Welder | Massachusetts |
| 14 | Dorothy Ennis | 16 | Daughter | — | Massachusetts |
| 15 | Virginia Ennis | 15 | Daughter | — | Massachusetts |
| 16 | Ralph Ennis | 13 | Son | — | Massachusetts |
| 17 | Delia Mcdonough | 65 | Head | — | Eire |
| 18 | Christine Mcdonough | 26 | Daughter | Egg-Candler | Massachusetts |
| 19 | Mary Vaughn | 38 | Daughter | Finisher | Massachusetts |
| 20 | Aloyde Vaughn | 15 | Daughter | — | Massachusetts |
| 21 | Jeremiah Curran | 49 | Head | — | Massachusetts |
| 22 | Mary Curran THIS PERSON | 46 | Wife | — | Massachusetts |
| 23 | William Curran | 22 | Son | — | Massachusetts |
| 24 | Helen Curran | 21 | Daughter | — | Massachusetts |
| 25 | Jeremiah, Jr. Curran | 20 | Son | — | Massachusetts |
| 26 | Richard G. Curran | 17 | Son | C. C. C. | Massachusetts |
| 27 | James Curran | 13 | Son | — | Massachusetts |
| 28 | John Curran | 10 | Son | — | Massachusetts |
| 29 | Edward Curran | 6 | Son | — | Massachusetts |
| 30 | Daniel Byrne | 50 | Head | Stationary Fireman | Eire |
| 31 | Delia Byrne | 47 | Wife | — | Eire |
| 32 | John Byrne | 19 | Son | Stock-Boy | Massachusetts |
| 33 | Mildred Byrne | 14 | Daughter | — | Massachusetts |
| 34 | Edmund Daley | 39 | Head | Elevator | Massachusetts |
| 35 | Anna Daley | 38 | Wife | Cleaner | Austria |
| 36 | Margaret Daley | 16 | Daughter | — | New York |
| 37 | Elizabeth Daley | 15 | Daughter | — | Massachusetts |
| 38 | David Daley | 13 | Son | — | Massachusetts |
| 39 | Edmund Daley | 11 | Son | — | Massachusetts |
| 40 | Catherine Daley | 6 | Daughter | — | Massachusetts |
Related Census Records
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)