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.~1925), then head of a 7-person household.
Age 15
b. ~1925
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 | 15 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Industry | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Boston |
| Est. Birth Year | ~1925 |
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 |
|---|---|---|---|---|
| James Curran | Head | — | 55 | ~1885 |
| Joseph Curran | Son | — | 23 | ~1917 |
| Anne Curran | Daughter | — | 10 | ~1930 |
| Margaret Curran | Daughter | — | 18 | ~1922 |
| James Curran | Son | — | 15 | ~1925 |
| Annie Curran | Spouse | — | 52 | ~1888 |
| William Curran | Son | — | 14 | ~1926 |
Census Appearances
1930
Suffolk, Massachusetts
Son, age 5
Suffolk, Massachusetts · implied b. ~1925
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Curran |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Age at First Marriage | 5 |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | none |
| Can Read/Write | No |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Son, age 15
Suffolk-County, Massachusetts · implied b. ~1925 — 7 household members
| Surname | Curran |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Industry | 0 |
| Highest Grade | No 7 |
| 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 15 · b. ~1925 · Massachusetts
★ You are viewing this record
Sibling
William Curran
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Curran
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Curran
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anne Curran
Sibling · 1940 · age 10
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-t0627-01664-00170)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | James Curran | 55 | Head | Laborer | Eire |
| 2 | Annie Curran | 52 | Wife | — | Eire |
| 3 | Joseph Curran | 23 | Son | Laborer | Massachusetts |
| 4 | Margaret Curran | 18 | Daughter | New Worker | Massachusetts |
| 5 | James Curran THIS PERSON | 15 | Son | — | Massachusetts |
| 6 | William Curran | 14 | Son | — | Massachusetts |
| 7 | Anne Curran | 10 | Daughter | — | Massachusetts |
| 8 | Elizabeth Salomine | 43 | Head | Waitress | Massachusetts |
| 9 | William Salomine | 19 | Son | Night Clerk | Massachusetts |
| 10 | Arthur Salomine | 16 | Son | — | Massachusetts |
| 11 | Jeanette Salomine | 14 | Daughter | — | Massachusetts |
| 12 | John Campbell | 38 | Head | Roundsman | Massachusetts |
| 13 | Dorothy Campbell | 23 | Wife | — | Massachusetts |
| 14 | Paul Campbell | 1 | Son | — | Massachusetts |
| 15 | Frank J. Comerford | 51 | Head | Iron Worker | Massachusetts |
| 16 | Barbara Comerford | 50 | Wife | — | Massachusetts |
| 17 | Helen Comerford | 30 | Daughter | Buffer | Massachusetts |
| 18 | Henry Comerford | 23 | Son | Laborer | Massachusetts |
| 19 | Lewis Comerford | 21 | Son | Laborer | Massachusetts |
| 20 | Redmond Comerford | 19 | Son | Reforestation | Massachusetts |
| 21 | Frederick Comerford | 18 | Son | — | Massachusetts |
| 22 | Rita Comerford | 16 | Daughter | — | Massachusetts |
| 23 | Ruth Comerford | 13 | Daughter | — | Massachusetts |
| 24 | Edward Comerford | 11 | Son | — | Massachusetts |
| 25 | Dorothea Comerford | 9 | Daughter | — | Massachusetts |
| 26 | Rose M. Middelburg | 42 | Head | — | Massachusetts |
| 27 | Charles Ochs | 65 | Head | Watchman | Massachusetts |
| 28 | Addie Ochs | 65 | Wife | — | Massachusetts |
| 29 | Julia E. Flemming | 71 | Head | — | England |
| 30 | Amelia Mikelonis | 44 | Head | — | Poland |
| 31 | Michael Pizzyck | 74 | Head | — | Poland |
| 32 | Dora Pizzyck | 76 | Wife | — | Poland |
| 33 | Thomas Walsh | 42 | Head | Laborer | Eire |
| 34 | Mary Walsh | 37 | Wife | — | England |
| 35 | Patrick Noe | 75 | Boarder | — | Illinois |
| 36 | Joseph Bork | 35 | Head | Painter | Poland |
| 37 | Catherine F. Riley | 84 | Head | — | Eire |
| 38 | Patrick Sweeney | 60 | Head | — | Eire |
| 39 | Catherine Sweeney | 55 | Wife | House Cleaning | Eire |
| 40 | John Hurley | 75 | Head | — | Eire |
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)