JC
John Curran — 1940 US Census Record
Model Tree available1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this John Curran across the 1920, 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Mary — first a head (b.~1884), then head of a 6-person household.
Age 56
b. ~1884
Male
Head
Born: Ireland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Curran |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Packer |
| Industry | Bayer Mfg Co |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 660 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Occupation | Packer |
| Township / Ward | Boston |
| Est. Birth Year | ~1884 |
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 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Curran | Head | — | 56 | ~1884 |
| James Curran | Son | — | 17 | ~1923 |
| Mary Curran | Daughter | — | 23 | ~1917 |
| John Curran | Son | — | 25 | ~1915 |
| Mary Curran | Spouse | — | 54 | ~1886 |
| Margaret Curran | Daughter | — | 27 | ~1913 |
Census Appearances
1920
Middlesex, Massachusetts
Son, age 39
Middlesex, Massachusetts · implied b. ~1881 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Curran |
| Given Name | John F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Single |
| Birthplace | Ireland |
| Year of Immigration | 1901 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Carder |
| Industry | Woolen mill |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Year of Naturalization | 1911 |
| Birthplace (normalized) | ireland |
1930
Middlesex, Massachusetts
Other, age 46
Middlesex, Massachusetts · implied b. ~1884 — 50 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Curran |
| Given Name | John F. |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Single |
| Birthplace | Ireland |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Laborer |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
Suffolk-County, Massachusetts
Head, age 56
Suffolk-County, Massachusetts · implied b. ~1884 — 6 household members
| Surname | Curran |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Naturalization Status | Naturalized |
| Occupation | Packer |
| Industry | Bayer Mfg Co |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 660 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| 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 John Curran across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Mary Curran (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Mary Curran
b. ~1859
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Curran
Head · 1940 · age 56 · b. ~1884 · Massachusetts
★ You are viewing this record
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-t0627-01665-00074)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Margaret Crowley | 2 | daughter | — | Mass. |
| 42 | Margaret O'Malley | 22 | in-law | — | Mass. |
| 43 | John Curran THIS PERSON | 56 | Head | Packer | Ireland |
| 44 | Mary Curran | 54 | Wife | Loader & Sorter | Ireland |
| 45 | Margaret Curran | 27 | daughter | — | Mass. |
| 46 | John Curran | 25 | son | Typist | Mass. |
| 47 | Mary Curran | 23 | daughter | Platform Sorter | Mass. |
| 48 | James Curran | 17 | son | Tel. Operator | Mass. |
| 49 | Mary Mcdonough | 50 | Head | — | Mass. |
| 50 | Florence Mcdonough | 26 | daughter | Shipping Clk | Mass. |
| 51 | Eileen Mcdonough | 22 | daughter | Packer | Mass. |
| 52 | Vincent Mcdonough | 19 | son | Laborer | Mass. |
| 53 | Francis Mcdonough | 13 | son | — | Mass. |
| 54 | John Mcdonough | 10 | son | — | Mass. |
| 55 | John J. Lee | 57 | Head | Laborer | Ireland |
| 56 | Catherine Lee | 54 | Wife | — | Scotland |
| 57 | Eileen Lee | 20 | daughter | Presser | Mass. |
| 58 | Barbara Lee | 19 | daughter | — | Mass. |
| 59 | Frances Lee | 17 | son | — | Mass. |
| 60 | Thomas Lee | 14 | son | — | Mass. |
| 61 | Joseph Lee | 12 | son | — | Mass. |
| 62 | James Scanlon | 47 | Head | Piper | Mass. |
| 63 | Palma Scanlon | 37 | Wife | — | Rhode Island |
| 64 | James Scanlon | 15 | son | — | Mass. |
| 65 | Palma Scanlon | 12 | daughter | — | Mass. |
| 66 | Richard Scanlon | 9 | son | — | Mass. |
| 67 | Beverly Scanlon | 7 | daughter | — | Mass. |
| 68 | Martha Scanlon | 0 | daughter | — | Mass. |
| 69 | James Ryan | 45 | Head | Railroad Clerk | Mass. |
| 70 | William Ryan | 43 | brother | Relief Clerk | Mass. |
| 71 | Mary Ryan | 38 | sister | — | Mass. |
| 72 | Nicholas Bonanno | 41 | Head | Barber | Italy |
| 73 | Francis Bonanno | 38 | Wife | — | Italy |
| 74 | Josephine Bonanno | 21 | daughter | Presser | Mass. |
| 75 | Angelina Bonanno | 17 | daughter | Mender | Mass. |
| 76 | Pauline Bonanno | 12 | daughter | — | Mass. |
| 77 | Thomas Fisourez | 59 | Head | Laborer | Lithuania |
| 78 | Eva Fisourez | 53 | Wife | Cleaning Woman | Lithuania |
| 79 | Ann Fisourez | 30 | daughter | Stenographer | Mass. |
| 80 | John Fisourez | 20 | son | Painter | Mass. |
Related Census Records
Pedigree Summary
John
Gen 1 · 1 parents
~0.92
Max depth 4 (1900–1950 window)
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)