JB
James Bradley — 1940 US Census Record
Model Tree available1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this James Bradley across the 1920, 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Mary & Selma — first a son (b.~1917), then head of a 3-person household.
Age 23
b. ~1917
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Bradley |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Occupation | Gas station attend. |
| Industry | Oil |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 925 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Gas Station Attend. |
| Township / Ward | Boston |
| Est. Birth Year | ~1917 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Margaret Bradley | Daughter | — | 19 | ~1921 |
| Mary Bradley | Head | — | 45 | ~1895 |
| James Bradley | Son | — | 23 | ~1917 |
Census Appearances
1920
Middlesex, Massachusetts
Son, age 2
Middlesex, Massachusetts · implied b. ~1918 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Bradley |
| Given Name | James J. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Son, age 13
Middlesex, Massachusetts · implied b. ~1917 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Bradley |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Son, age 23
Suffolk-County, Massachusetts · implied b. ~1917 — 3 household members
| Surname | Bradley |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Occupation | Gas station attend. |
| Industry | Oil |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 925 |
| Highest Grade | No 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 Bradley across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Mary Bradley (~0.92 confidence) and mother Selma Bradley (~0.92 confidence) and father James Bradley (~0.92 confidence) and father S Bradley (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Mary Bradley
b. ~1895
Source mother
● Household
· direct · ~0.92
Mother
Selma Bradley
b. ~1895
Source mother
● Household
· direct · ~0.92
Father
James Bradley
b. ~1896
Source father
● Household
· direct · ~0.92
Father
S Bradley
b. ~1900
Source father
● Household
· direct · ~0.92
This person
Anchor record
James Bradley
Son · 1940 · age 23 · b. ~1917 · Massachusetts
★ You are viewing this record
Sibling
Margaret Bradley
Sibling · 1940 · age 19
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-t0627-01667-00831)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Victor Hill | 43 | Head | Truck Driver | Canada English |
| 2 | Maxwell Roberts | 36 | Head | Chauffeur | Canada English |
| 3 | Beulah Roberts | 31 | Wife | Dressmaker | Massachusetts |
| 4 | Theresa Roberts | 65 | Mother | Sorter | Canada English |
| 5 | Marilyn Roberts | 8 | Daughter | — | Massachusetts |
| 6 | Lorraine Roberts | 6 | Daughter | — | Massachusetts |
| 7 | Carl Roberts | 4 | Son | — | Massachusetts |
| 8 | Helen L. Sullivan | 55 | Head | Dealer | Massachusetts |
| 9 | Wilbur Blanchard | 40 | Head | Letter Carrier | Rhode Island |
| 10 | Erma G. Blanchard | 45 | Wife | — | Massachusetts |
| 11 | Wilbur H. Jr. Blanchard | 17 | Son | — | Massachusetts |
| 12 | Everett L. Blanchard | 15 | Son | — | Massachusetts |
| 13 | Thelma Blanchard | 8 | Daughter | — | Massachusetts |
| 14 | Leona Blanchard | 6 | Daughter | — | Massachusetts |
| 15 | Lillian G. Parsell | 30 | Head | — | Vermont |
| 16 | Linnie Heath | 18 | Sister | — | Vermont |
| 17 | George M. Turner | 53 | Head | Salesman | Maine |
| 18 | Mary Turner | 53 | Wife | — | New Hampshire |
| 19 | Joseph Turner | 22 | Son | Elevator Operator | Massachusetts |
| 20 | Ralph Turner | 20 | Son | Office Boy | Maine |
| 21 | Alice Turner | 18 | Daughter | — | Maine |
| 22 | Robert Turner | 15 | Son | — | Massachusetts |
| 23 | Estelle Turner | 11 | Daughter | — | Massachusetts |
| 24 | Mary Bradley | 45 | Head | Domestic | Canada English |
| 25 | James Bradley THIS PERSON | 23 | Son | Gas Station Attend. | Massachusetts |
| 26 | Margaret Bradley | 19 | Daughter | — | Massachusetts |
| 27 | Eugene Thayer | 73 | Head | Physician | Maine |
| 28 | Stella N. Thayer | 73 | Wife | — | Maine |
| 29 | Rudolph Massaglia | 28 | Head | Waiter | Massachusetts |
| 30 | Madeline Massaglia | 27 | Wife | — | Massachusetts |
| 31 | Marguerite Massaglia | 56 | Mother | Seamstress | Italy |
| 32 | Agnes Massaglia | 2 | Daughter | — | Massachusetts |
| 33 | Peter Arico | 52 | Father-in-law | Chef | Italy |
| 34 | Theresa Arico | 50 | Mother-in-law | — | Italy |
| 35 | Vito Crugnale | 49 | Head | Shoe Cutter | Italy |
| 36 | Blandina Crugnale | 46 | Wife | — | Italy |
| 37 | Lippi Palmiro | 45 | Brother-in-law | — | Italy |
| 38 | Angelo Crugnale | 19 | Son | — | Massachusetts |
| 39 | Aldo Crugnale | 12 | Son | — | Massachusetts |
| 40 | Luigia Crugnale | 10 | Daughter | — | Massachusetts |
Pedigree Summary
James + 1 sibling
Gen 1 · 4 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)