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 John & Nellie — first a son (b.~1887), then head of a 4-person household.
Age 53
b. ~1887
Male
Son
Born: Mass.
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Curran |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 53 |
| Marital Status | Single |
| Birthplace | Mass. |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Occupation | Shipping Clerk |
| Industry | Warehouse |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1300 |
| Highest Grade | G 8 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | mass |
| Occupation | Shipping Clerk |
| Township / Ward | Boston City |
| Est. Birth Year | ~1887 |
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 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Curran | Son | — | 53 | ~1887 |
| Michael Curran | Son | — | 45 | ~1895 |
| Nellie Curran | Spouse | — | 71 | ~1869 |
| John Curran | Head | — | 72 | ~1868 |
Census Appearances
1920
Suffolk, Massachusetts
Son, age 37
Suffolk, Massachusetts · implied b. ~1883 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Curran |
| Given Name | John G. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Single |
| Birthplace | Mass |
| Father's Birthplace | Mass |
| Mother's Birthplace | Mass |
| Occupation | Clerk |
| Industry | Leather |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | mass |
1930
Suffolk, Massachusetts
Other, age 44
Suffolk, Massachusetts · implied b. ~1886 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Curran |
| Given Name | John J. |
| Relationship to Head | Brother |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Single |
| Birthplace | Mass |
| Father's Birthplace | Mass |
| Mother's Birthplace | Mass |
| Occupation | Clerk |
| Industry | Leather House |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | mass |
1940
Suffolk-County, Massachusetts
Son, age 53
Suffolk-County, Massachusetts · implied b. ~1887 — 4 household members
| Surname | Curran |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 53 |
| Marital Status | Single |
| Birthplace | Mass. |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Occupation | Shipping Clerk |
| Industry | Warehouse |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1300 |
| Highest Grade | G 8 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | mass |
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: father John Curran (~0.92 confidence) and mother Nellie Curran (~0.92 confidence) and mother Ellen Curran (~0.60 confidence) and father Simon Curran (~0.50 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.73
Father
John Curran
b. ~1868
Source father
● Household
· direct · ~0.92
Mother
Nellie Curran
b. ~1869
Source mother
● Household
· direct · ~0.92
Mother
Ellen Curran
b. ~1877
Source mother
● Household
· direct · ~0.6
Father
Simon Curran
b. ~1887
Source father
● Household
· direct · ~0.5
This person
Anchor record
John Curran
Son · 1940 · age 53 · b. ~1887 · Massachusetts
★ You are viewing this record
Sibling
Michael Curran
Sibling · 1940 · age 45
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-t0627-01659-00420)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Edgar V Davidson | 67 | Head | — | Canada |
| 42 | Elizabeth Davidson | 50 | Wife | — | Mass. |
| 43 | Agnes Pierce | 35 | Head | Housekeeper | Mass. |
| 44 | James Pierce | 12 | Son | — | Mass. |
| 45 | Augustus Curcio | 64 | Head | Gas Station | Mass. |
| 46 | Augustus Curcio | 33 | Son | Carpenter | Mass. |
| 47 | Joseph Curcio | 31 | Son | Oilman | Mass. |
| 48 | Lena Curcio | 30 | Daughter | — | Mass. |
| 49 | John Curran | 72 | Head | Watchman | Eire |
| 50 | Nellie Curran | 71 | Wife | — | Eire |
| 51 | John Curran THIS PERSON | 53 | Son | Shipping Clerk | Mass. |
| 52 | Michael Curran | 45 | Son | Chauffeur | Mass. |
| 53 | John Galloway | 58 | Head | Wrecker | Scotland |
| 54 | Margaret Galloway | 54 | Wife | — | Scotland |
| 55 | Janet Galloway | 26 | Daughter | Clerical-Clerk | Mass. |
| 56 | Margaret Galloway | 20 | Daughter | Clerical-Clerk | Mass. |
| 57 | James Galloway | 12 | Son | — | Mass. |
| 58 | Edith Galloway | 14 | Daughter | — | Mass. |
| 59 | Joseph Mcgrath | 36 | Head | Chauffeur | Mass. |
| 60 | Alice Mcgrath | 42 | Wife | — | Mass. |
| 61 | Michael Rountree | 52 | Head | — | Northern Ireland |
| 62 | Mary Rountree | 53 | Wife | Proprietor | Mass. |
| 63 | Joseph Rountree | 27 | Son | Salesman | Mass. |
| 64 | William Wilson | 53 | Head | Longshoreman | Mass. |
| 65 | Helena Wilson | 46 | Wife | — | Mass. |
| 66 | Joseph Wilson | 22 | Son | Shipper | Mass. |
| 67 | James Wilson | 19 | Son | Janitor Helper | Mass. |
| 68 | Gerald Wilson | 18 | Son | Laborer | Mass. |
| 69 | Mary Wilson | 17 | Daughter | — | Mass. |
| 70 | Frances Wilson | 15 | Daughter | — | Mass. |
| 71 | Agnes Keenan | 70 | Lodger | — | Nova Scotia |
| 72 | Edward Morgan | 53 | Head | Painter | Mass. |
| 73 | Paula Morgan | 50 | Wife | Plywood Worker | Mass. |
| 74 | Margaret Pulley | 22 | Head | — | Eire |
| 75 | Bridget Mcguire | 85 | Lodger | — | Northern Ireland |
| 76 | Cathleen Mchugh | 58 | Daughter | — | Eire |
| 77 | Edward Mchugh | 36 | Son | Printer | Mass. |
| 78 | Grace Metany | 53 | Lodger | — | Mass. |
| 79 | George Boyd | 46 | Head | Automobile Engineer | Mass. |
| 80 | Margaret Boyd | 37 | Wife | — | Mass. |
Pedigree Summary
John + 1 sibling
Gen 1 · 4 parents
~0.73
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)