JG
James Grady — 1940 US Census Record
Model Tree available1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this James Grady across the 1920, 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed), with identified parents James & James — first a head (b.~1912), then head of a 5-person household.
Age 28
b. ~1912
Male
Head
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Grady |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Occupation | Supervisor |
| Industry | Social Security Number |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 916 |
| Highest Grade | H-4 |
| 1935 Residence | Same house |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Supervisor |
| Township / Ward | Boston City |
| Est. Birth Year | ~1912 |
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 |
|---|---|---|---|---|
| James Grady | Head | — | 28 | ~1912 |
| Catherine Grady | Spouse | — | 31 | ~1909 |
| Richard Grady | Son | — | 6 | ~1934 |
| Jane Eaton | Other | — | — | |
| James Grady | Son | — | 2 | ~1938 |
Census Appearances
1920
Suffolk, Massachusetts
Son, age 8
Suffolk, Massachusetts · implied b. ~1912 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Grady |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Suffolk, Massachusetts
Son, age 18
Suffolk, Massachusetts · implied b. ~1912 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Grady |
| Given Name | James J. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | mailing clerk |
| Industry | power supply |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Head, age 28
Suffolk-County, Massachusetts · implied b. ~1912 — 5 household members
| Surname | Grady |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Occupation | Supervisor |
| Industry | Social Security Number |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 916 |
| Highest Grade | H-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 Grady across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Grady (~0.92 confidence) and father James Grady (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Grady
b. ~1885
Source father
● Household
· direct · ~0.92
Father
James Grady
b. ~1885
Source father
● Household
· direct · ~0.92
This person
Anchor record
James Grady
Head · 1940 · age 28 · b. ~1912 · Massachusetts
★ You are viewing this record
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-t0627-01669-00620)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary Cunningham | 5 | Daughter | — | Massachusetts |
| 2 | Kieran Cunningham | 3 | Son | — | Massachusetts |
| 3 | Michael Kelly | 46 | Head | Watchman | Irish Free State |
| 4 | Mary Kelly | 46 | Wife | — | Irish Free State |
| 5 | Mary Kelly | 17 | Daughter | — | Massachusetts |
| 6 | Eileen Kelly | 15 | Daughter | — | Massachusetts |
| 7 | Joseph Kelly | 13 | Son | — | Massachusetts |
| 8 | Francis Kelly | 10 | Son | — | Massachusetts |
| 9 | Catherine Kelly | 9 | Daughter | — | Massachusetts |
| 10 | Edward Kelly | 8 | Son | — | Massachusetts |
| 11 | John Kelly | 6 | Son | — | Massachusetts |
| 12 | Delia Kelly | 45 | In-Law | Food Checker | Irish Free State |
| 13 | Mary English | 64 | Head | Bookkeeper | Massachusetts |
| 14 | Caroline English | 51 | Sister | — | Massachusetts |
| 15 | William English | 49 | Brother | — | Massachusetts |
| 16 | Alfred English | 46 | Brother | — | Massachusetts |
| 17 | John Flynn | 70 | Head | — | Massachusetts |
| 18 | John Casey | 69 | Head | — | Massachusetts |
| 19 | Margaret Casey | 60 | Wife | — | Massachusetts |
| 20 | Clara Jefferson | 54 | Head | — | Massachusetts |
| 21 | Alice Jefferson | 22 | Daughter | Senior Typist | Massachusetts |
| 22 | Mary Jefferson | 21 | Daughter | Typist | Massachusetts |
| 23 | Annie O'Brien | 67 | Head | — | Massachusetts |
| 24 | Frank O'Donnell | 25 | Head | House Painter | Massachusetts |
| 25 | Mary O'Donnell | 24 | Wife | — | Massachusetts |
| 26 | James Macy | 36 | Head | — | Massachusetts |
| 27 | Annie Macy | 27 | Wife | — | Massachusetts |
| 28 | Frank Cleary | 34 | Head | Truck Driver | Massachusetts |
| 29 | Mary Cleary | 32 | Wife | — | Massachusetts |
| 30 | Anne Cleary | 10 | Daughter | — | Massachusetts |
| 31 | Mary Cleary | 8 | Daughter | — | Massachusetts |
| 32 | John Shore | 64 | Head | Police Clerk | Massachusetts |
| 33 | Catherine Shore | 54 | Wife | — | Scotland |
| 34 | John Shore | 15 | Son | — | Massachusetts |
| 35 | Francis Lomas | 59 | Head | — | Massachusetts |
| 36 | James Grady THIS PERSON | 28 | Head | Supervisor | Massachusetts |
| 37 | Catherine Grady | 31 | Wife | — | Massachusetts |
| 38 | Richard Grady | 6 | Son | — | Massachusetts |
| 39 | James Grady | 2 | Son | — | Massachusetts |
| 40 | Jane Eaton | None | — | — | — |
Pedigree Summary
James
Gen 1 · 2 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)