JC
James Cullen — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this James Cullen across the 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1883), then head of a 5-person household.
Age 57
b. ~1883
Male
Head
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Cullen |
| Given Name | James F. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Occupation | Blacksmith |
| Industry | Own Business |
| Class of Worker | OA |
| Hours Worked | 48 |
| Income (1939) | 854 |
| Highest Grade | No 4 |
| 1935 Residence | Same House |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Blacksmith |
| Township / Ward | Boston |
| Est. Birth Year | ~1883 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Letitia Cullen | Spouse | — | 49 | ~1891 |
| William Cullen | Son | — | 17 | ~1923 |
| James Cullen | Head | — | 57 | ~1883 |
| Helen Cullen | Daughter | — | 21 | ~1919 |
| John Cullen | Son | — | 27 | ~1913 |
Census Appearances
1930
Suffolk, Massachusetts
Head, age 47
Suffolk, Massachusetts · implied b. ~1883 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cullen |
| Given Name | James F. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Age at First Marriage | 25 |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Occupation | Blacksmith |
| Industry | Riding School |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 30 |
| Veteran | No |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Head, age 57
Suffolk-County, Massachusetts · implied b. ~1883 — 5 household members
| Surname | Cullen |
| Given Name | James F. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Occupation | Blacksmith |
| Industry | Own Business |
| Class of Worker | OA |
| Hours Worked | 48 |
| Income (1939) | 854 |
| Highest Grade | No 4 |
| 1935 Residence | Same House |
| 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 Cullen across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
James Cullen
Head · 1940 · age 57 · b. ~1883 · 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-t0627-01665-00689)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | William Carr | 32 | Son | Clerk | Massachusetts |
| 42 | William C. Emery | 59 | Head | Wood Worker | Vermont |
| 43 | Laura Emery | 41 | Wife | — | Connecticut |
| 44 | Charlotte Emery | 22 | Daughter | Checker | New York |
| 45 | Cecelia Welsh | 66 | Head | — | Massachusetts |
| 46 | Elinor Welsh | 40 | Daughter | Operator | Massachusetts |
| 47 | Sara Mcgonagle | 74 | Sister | — | Massachusetts |
| 48 | James F. Cullen THIS PERSON | 57 | Head | Blacksmith | Massachusetts |
| 49 | Letitia E. Cullen | 49 | Wife | — | Massachusetts |
| 50 | John P. Cullen | 27 | Son | Clerk | Massachusetts |
| 51 | Helen Cullen | 21 | Daughter | — | Massachusetts |
| 52 | William Cullen | 17 | Son | — | Massachusetts |
| 53 | Martin J. Sullivan | 41 | Head | Foreman Laborer | Massachusetts |
| 54 | Elizabeth B. Sullivan | 41 | Wife | — | Massachusetts |
| 55 | Catherine Sullivan | 21 | Daughter | New Worker | Massachusetts |
| 56 | Edward Sullivan | 20 | Son | Polisher | Massachusetts |
| 57 | Claire Sullivan | 18 | Daughter | — | Massachusetts |
| 58 | Elinore Sullivan | 15 | Daughter | — | Massachusetts |
| 59 | Kenneth Sullivan | 10 | Son | — | Massachusetts |
| 60 | Ellen Flavin | 65 | Head | Matron | Eire |
| 61 | John J. Flavin | 33 | Son | Bartender | Massachusetts |
| 62 | Michael Mcdonough | 42 | Head | Chauffeur | Massachusetts |
| 63 | Margaret Mcdonough | 34 | Wife | — | Massachusetts |
| 64 | Michael Daley | 72 | Father in law | — | Eire |
| 65 | Mary Daley | 39 | Sister in law | Clerk | Massachusetts |
| 66 | Mary Daley | 16 | Niece | — | Florida |
| 67 | Michael Mullen | 24 | Head | — | Eire |
| 68 | Catherine Mullen | 43 | Daughter | — | Massachusetts |
| 69 | James A. Leonard | 30 | Head | Electrician | Massachusetts |
| 70 | Mary C. Leonard | 30 | Wife | — | Massachusetts |
| 71 | James Leonard | 5 | Son | — | Massachusetts |
| 72 | Sally Leonard | 3 | Daughter | — | Massachusetts |
| 73 | Marie Leonard | 1 | Daughter | — | Massachusetts |
| 74 | John Sullivan | 32 | Head | Electrician | Massachusetts |
| 75 | Catherine Sullivan | 33 | Wife | — | Massachusetts |
| 76 | Jr John Sullivan | 15 | Son | — | Massachusetts |
| 77 | Mary F. Sullivan | 11 | Daughter | — | Massachusetts |
| 78 | Patrick Keaney | 57 | Head | Track Walker | Eire |
| 79 | Mary Keaney | 25 | Daughter | Packer | Massachusetts |
| 80 | Josephine Keaney | 23 | Daughter | — | 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)