JR
James Reilly — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Suffolk, Massachusetts
Our Model Tree links this James Reilly across the 1930 and 1940 US Censuses in Suffolk, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1901), then head of a 8-person household.
Age 29
b. ~1901
Male
Son
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Suffolk, Massachusetts |
| Surname | Reilly |
| Given Name | James V |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Additional Details | |
| Occupation | Repairman |
| Industry | Gas Company |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Repairman |
| Township / Ward | Boston City |
| Est. Birth Year | ~1901 |
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.
8 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Ernestine Reilly | Daughter | — | 27 | ~1903 |
| Helen Reilly | Daughter | — | 19 | ~1911 |
| William Reilly | Head | — | 65 | ~1865 |
| Hannah Reilly | Other | — | 64 | ~1866 |
| James Reilly | Son | — | 29 | ~1901 |
| Herbert Reilly | Son | — | 21 | ~1909 |
| Edward Reilly | Son | — | 23 | ~1907 |
| Daniel Reilly | Son | — | 26 | ~1904 |
Census Appearances
1930
Suffolk, Massachusetts
Son, age 29
Suffolk, Massachusetts · implied b. ~1901 — 8 household members
| Surname | Reilly |
| Given Name | James V |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Occupation | Repairman |
| Industry | Gas Company |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Head, age 39
Suffolk-County, Massachusetts · implied b. ~1901 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Riley |
| Given Name | James V. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Occupation | clerk |
| Industry | A & P |
| Class of Worker | PW |
| Hours Worked | 38 |
| Income (1939) | 266 |
| Highest Grade | S-8 |
| 1935 Residence | Massachusetts |
| 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 Reilly across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Reilly
Son · 1930 · age 29 · b. ~1901 · Massachusetts
★ You are viewing this record
Sibling
Herbert Reilly
Sibling · 1930 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ernestine Reilly
Sibling · 1930 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Reilly
Sibling · 1930 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Reilly
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Daniel Reilly
Sibling · 1930 · age 26
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
1930 US Federal Census — Suffolk, Massachusetts
Open full size
1930 US Federal Census — Suffolk, Massachusetts
Page Contents
50 people indexed on this census page (ia:1930:massachusettscensus00reel953:0909)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Daniel A Thurston | 27 | Head | Clergyman | Massachusetts |
| 2 | Ruth Thurston | 33 | Wife-H | — | Massachusetts |
| 3 | Frederick Casey | 48 | Head | Agent | Massachusetts |
| 4 | Catherine P Casey | 46 | Wife-H | — | Massachusetts |
| 5 | Catherine P Casey | 15 | Daughter | — | Massachusetts |
| 6 | James Casey | 13 | Son | — | Massachusetts |
| 7 | Emily R Casey | 11 | Daughter | — | Massachusetts |
| 8 | Joseph Casey | 8 | Son | — | Massachusetts |
| 9 | Thomas Ryan | 36 | Head | Commercial Traveler | Massachusetts |
| 10 | Edith K Ryan | 30 | Wife-H | — | Massachusetts |
| 11 | Ruth B Ryan | 7 | Daughter | — | Massachusetts |
| 12 | Thomas J Ryan | 4 | Son | — | Massachusetts |
| 13 | Pauline E Ryan | 1 | Daughter | — | Massachusetts |
| 14 | Clara S Kelton | 33 | Head | Repairer | Massachusetts |
| 15 | Marie Kelton | 27 | Wife-H | — | New York |
| 16 | William G Mckenzie | 71 | Head | Watchman | Canada English |
| 17 | Hannah Mckenzie | 62 | Wife-H | — | Canada English |
| 18 | Angus Mckenzie | 37 | Son | Commercial Traveler | Canada English |
| 19 | Isabel Macdonald | 26 | Lodger | Bookkeeper | Canada English |
| 20 | Katherine M Macdonald | 24 | Lodger | Typist | Canada English |
| 21 | Daniel Odery | 51 | Head | Carpenter | Canada English |
| 22 | Sarah J Odery | 45 | Wife-H | — | Irish Free State |
| 23 | Kathleen Mary L Odery | 18 | Daughter | — | Irish Free State |
| 24 | Catherine S Patterson | 65 | Head | — | Maine |
| 25 | Annie S Patterson | 61 | Wife-H | — | Maine |
| 26 | Robert E Nelson | 59 | Head | — | Massachusetts |
| 27 | Sophia M Nelson | 60 | Wife-H | — | Canada English |
| 28 | Frank Cornelissen | 40 | Head | Salesman | Massachusetts |
| 29 | Emma M Cornelissen | 36 | Wife-H | — | Belgium |
| 30 | Richard P Cornelissen | 12 | Son | — | Massachusetts |
| 31 | Gaston Machiels | 34 | Brother-in-law | Salesman | Belgium |
| 32 | Alice Machiels | 8 | Niece | — | Massachusetts |
| 33 | Florence Machiels | 7 | Daughter | — | Massachusetts |
| 34 | Rosina Machiels | 66 | Head | — | Belgium |
| 35 | Margaret F Rigby | 27 | Daughter | — | Massachusetts |
| 36 | Robert W Rigby | 31 | Son-in-law | — | Massachusetts |
| 37 | John F Rigby | 2 | Grandson | — | Massachusetts |
| 38 | Alfred Rigby | 1 | Grandson | — | Massachusetts |
| 39 | John Rigby | 31 | Son | — | Belgium |
| 40 | Patrick Fennell | 72 | Head | — | Canada English |
| 41 | James G Fennell | 26 | Son | — | Massachusetts |
| 42 | Peter Lynch | 55 | Nephew | Specialist | Irish Free State |
| 43 | William Reilly | 65 | Head | Asst Foreman | Irish Free State |
| 44 | Hannah Reilly | 64 | Wife-H | — | Irish Free State |
| 45 | James V Reilly THIS PERSON | 29 | Son | Repairman | Massachusetts |
| 46 | Ernestine Reilly | 27 | Daughter | Bookkeeper | Massachusetts |
| 47 | Daniel Reilly | 26 | Son | Salesman | Massachusetts |
| 48 | Edward Reilly | 23 | Son | Shipper | Massachusetts |
| 49 | Herbert Reilly | 21 | Son | Salesman | Massachusetts |
| 50 | Helen Reilly | 19 | Daughter | Accountant | Massachusetts |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)