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Thomas Kelley — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this Thomas Kelley across the 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1923), then head of a 9-person household.
Age 17
b. ~1923
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Kelley |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Occupation | New Worker |
| Hours Worked | 52 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | New Worker |
| Township / Ward | Boston |
| Est. Birth Year | ~1923 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Thomas | Age | Birth yr |
|---|---|---|---|---|
| Catherine Kelley | Daughter | — | 25 | ~1915 |
| Michael Kelley | Head | — | 65 | ~1875 |
| John Kelley | Son | — | 21 | ~1919 |
| Timothy Kelley | Son | — | 20 | ~1920 |
| Thomas Kelley | Son | — | 17 | ~1923 |
| Daniel Kelley | Son | — | 13 | ~1927 |
| Philip Kelley | Son | — | 26 | ~1914 |
| George Kelley | Son | — | 18 | ~1922 |
| Mary Kelley | Spouse | — | 59 | ~1881 |
Census Appearances
1930
Suffolk, Massachusetts
Son, age 7
Suffolk, Massachusetts · implied b. ~1923 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kelley |
| Given Name | Thomas |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Son, age 17
Suffolk-County, Massachusetts · implied b. ~1923 — 9 household members
| Surname | Kelley |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Occupation | New Worker |
| Hours Worked | 52 |
| Highest Grade | Hs 3 |
| 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 Thomas Kelley across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Thomas Kelley
Son · 1940 · age 17 · b. ~1923 · Massachusetts
★ You are viewing this record
Sibling
Catherine Kelley
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Kelley
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Timothy Kelley
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Kelley
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Philip Kelley
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Daniel Kelley
Sibling · 1940 · age 13
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
36 people indexed on this census page (nara:1940:m-t0627-01659-00482)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mildred Gorman | 7 | Daughter | — | Massachusetts |
| 42 | Raymond Dolan | 41 | Head | Chauffer | New York |
| 43 | Mary Dolan | 42 | Wife | — | Massachusetts |
| 44 | Henry Dolan | 18 | Son | New Worker | Massachusetts |
| 45 | Regina Dolan | 9 | Daughter | — | Massachusetts |
| 46 | Shirley Dolan | 7 | Daughter | — | Massachusetts |
| 47 | Judith Dolan | 3 | Daughter | — | Massachusetts |
| 48 | Michael Kelley | 65 | Head | Lumper | Eire |
| 49 | Mary Kelley | 59 | Wife | — | Eire |
| 50 | Philip Kelley | 26 | Son | Sales Clerk | Massachusetts |
| 51 | Catherine Kelley | 25 | Daughter | Factory | Massachusetts |
| 52 | John Kelley | 21 | Son | Longshoreman | Massachusetts |
| 53 | Timothy Kelley | 20 | Son | Wiper | Massachusetts |
| 54 | George Kelley | 18 | Son | Longshoreman | Massachusetts |
| 55 | Thomas Kelley THIS PERSON | 17 | Son | New Worker | Massachusetts |
| 56 | Daniel Kelley | 13 | Son | — | Massachusetts |
| 57 | William J. Woods | 48 | Head | Chauffer | Eire |
| 58 | Helen Woods | 45 | Wife | Elevator Operator | Massachusetts |
| 59 | Helen A. Woods | 15 | Daughter | — | Massachusetts |
| 60 | Frank Rubay | 34 | Head | Store Keeper | Russia |
| 61 | Pauline Rubay | 30 | Wife | — | Russia |
| 62 | Edith Rubay | 4 | Daughter | — | Massachusetts |
| 64 | Mary T. Murphy | 62 | Head | — | Eire |
| 68 | William J. O'Hara | 45 | Head | Fireman | Massachusetts |
| 69 | Frances O'Hara | 45 | Wife | — | Massachusetts |
| 70 | Madeline O'Hara | 17 | Daughter | — | Massachusetts |
| 71 | Irene O'Hara | 16 | Daughter | — | Massachusetts |
| 72 | Mary Collins | 76 | Head | — | Eire |
| 73 | Catherine Dillon | 49 | Daughter | Cleaner | Massachusetts |
| 74 | William Dillon | 44 | Son | Laborer | Massachusetts |
| 75 | Richard Dillon | 10 | Grandson | — | Massachusetts |
| 76 | Elizabeth Dillon | 8 | Granddaughter | — | Massachusetts |
| 77 | Joseph Dillon | 8 | Grandson | — | Massachusetts |
| 78 | Edward J. Fidler | 26 | Head | Stock Clerk | Massachusetts |
| 79 | Esther Fidler | 24 | Wife | — | Massachusetts |
| 80 | Dorothy Fidler | 4 | Daughter | — | Massachusetts |
Related Census Records
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)