JC
James Curran — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this James Curran across the 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1914), then head of a 7-person household.
Age 26
b. ~1914
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Curran |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston city |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Industry | U |
| Highest Grade | 8 |
| 1935 Residence | Same Place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Boston City |
| Est. Birth Year | ~1914 |
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 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Theresa Curran | Daughter | — | 27 | ~1913 |
| Michael Curran | Head | — | 63 | ~1877 |
| Martin Curran | Son | — | 31 | ~1909 |
| James Curran | Son | — | 26 | ~1914 |
| Michael Curran | Son | — | 32 | ~1908 |
| Delia Curran | Spouse | — | 65 | ~1875 |
| Nora Curran | Daughter | — | 21 | ~1919 |
Census Appearances
1930
Suffolk, Massachusetts
Other, age 16
Suffolk, Massachusetts · implied b. ~1914 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Curran |
| Given Name | James |
| Relationship to Head | Brother |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | I State |
| Mother's Birthplace | I State |
| Occupation | Stock Boy |
| Industry | Dept Store |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Son, age 26
Suffolk-County, Massachusetts · implied b. ~1914 — 7 household members
| Surname | Curran |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston city |
| 1935 Residence (County) | Suffolk |
| Industry | U |
| Highest Grade | 8 |
| 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 James Curran across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Curran
Son · 1940 · age 26 · b. ~1914 · Massachusetts
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Sibling
Michael Curran
Sibling · 1940 · age 32
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Theresa Curran
Sibling · 1940 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nora Curran
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Martin Curran
Sibling · 1940 · age 31
Source co-child of head (derived)
● Co-child · derived · ~0.88
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-t0627-01664-00688)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Philomena Philbin | 50 | Wife | — | Massachusetts |
| 2 | Henry Philbin | 20 | Son | New Worker | Massachusetts |
| 3 | Audrey Philbin | 17 | Daughter | — | Massachusetts |
| 4 | Frederick Philbin | 23 | Nephew | Tree Surgeon | Massachusetts |
| 5 | Paul J. Campbell | 42 | Head | Doctor | Massachusetts |
| 6 | Marion Campbell | 44 | Wife | — | Massachusetts |
| 7 | Marion Campbell | 13 | Daughter | — | Massachusetts |
| 8 | Paul Jr. Campbell | 11 | Son | — | Massachusetts |
| 9 | Edward J. Campbell | 10 | Son | — | Massachusetts |
| 10 | George Francoeur | 38 | Head | Police Officer | Massachusetts |
| 11 | Helen A. Francoeur | 36 | Wife | — | Massachusetts |
| 12 | Helen F. Francoeur | 18 | Daughter | New Worker | Massachusetts |
| 13 | Mary E. Francoeur | 17 | Daughter | — | Massachusetts |
| 14 | George Francoeur | 12 | Son | — | Massachusetts |
| 15 | June M. Francoeur | 8 | Daughter | — | Massachusetts |
| 16 | Leo J. Francoeur | 2 | Son | — | Massachusetts |
| 17 | James M. Walsh | 61 | Head | Trackman | Nova Scotia |
| 18 | Nellie Walsh | 59 | Wife | — | Nova Scotia |
| 19 | Edward Walsh | 28 | Son | New Worker | Massachusetts |
| 20 | William Walsh | 25 | Son | New Worker | Massachusetts |
| 21 | Helen Walsh | 22 | Daughter | New Worker | Massachusetts |
| 22 | Michael Curran | 63 | Head | — | Ireland |
| 23 | Delia Curran | 65 | Wife | — | Ireland |
| 24 | Michael Curran | 32 | Son | Longshoreman | Massachusetts |
| 25 | Martin Curran | 31 | Son | Loader | Massachusetts |
| 26 | Theresa Curran | 27 | Daughter | Typist | Massachusetts |
| 27 | James Curran THIS PERSON | 26 | Son | — | Massachusetts |
| 28 | Nora Curran | 21 | Daughter | Clerk | Massachusetts |
| 29 | Thomas Callahan | 31 | Head | Manager | Ireland |
| 30 | Margaret A. Callahan | 27 | Wife | — | Ireland |
| 31 | Mary Callahan | 1 | Daughter | — | Massachusetts |
| 32 | Helen Callahan | 1 | Daughter | — | Massachusetts |
| 33 | Margaret Callahan | 1 | Daughter | — | Massachusetts |
| 34 | Michael Walsh | 63 | Head | — | Ireland |
| 35 | Margaret Walsh | 65 | Wife | — | Ireland |
| 36 | Alice Walsh | 29 | Daughter | Clerk | Massachusetts |
| 37 | Mary Walsh | 25 | Daughter | — | Massachusetts |
| 38 | Margaret Walsh | 27 | Daughter | Bookkeeper | Massachusetts |
| 39 | James J. Courtney | 36 | Head | Laborer | Massachusetts |
| 40 | Florence Courtney | 25 | Wife | — | Massachusetts |
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)