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William Sweeney — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Suffolk, Massachusetts
Our Model Tree links this William Sweeney across the 1920 and 1930 US Censuses in Suffolk, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1889), then head of a 11-person household.
Age 41
b. ~1889
Male
Head
Born: Massachusetts
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Suffolk, Massachusetts |
| Surname | Sweeney |
| Given Name | William R. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Age at First Marriage | 19 |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Additional Details | |
| Occupation | Chauffeur |
| Industry | Delivery Truck |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | 20.00 |
| Veteran | R |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Chauffeur |
| Township / Ward | Boston City |
| Est. Birth Year | ~1889 |
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.
11 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Gertrude Sweeney | Daughter | — | 11 | ~1919 |
| Mary Sweeney | Daughter | — | 15 | ~1915 |
| Nora Sweeney | Daughter | — | 19 | ~1911 |
| Helen Sweeney | Daughter | — | 9 | ~1921 |
| Eleanor Sweeney | Daughter | — | 14 | ~1916 |
| Louise Sweeney | Daughter | — | 1 | ~1929 |
| William Sweeney | Head | — | 41 | ~1889 |
| Daniel Sweeney | Son | — | 17 | ~1913 |
| Martin Sweeney | Son | — | 22 | ~1908 |
| William Sweeney | Son | — | 7 | ~1923 |
| Nora Sweeney | Spouse | — | 40 | ~1890 |
Census Appearances
1920
Suffolk, Massachusetts
Head, age 31
Suffolk, Massachusetts · implied b. ~1889 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sweeney |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Chauffeur |
| Industry | Truckman |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Suffolk, Massachusetts
Head, age 41
Suffolk, Massachusetts · implied b. ~1889 — 11 household members
| Surname | Sweeney |
| Given Name | William R. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Age at First Marriage | 19 |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Occupation | Chauffeur |
| Industry | Delivery Truck |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | 20.00 |
| Veteran | R |
| 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 William Sweeney across 2 US Census years (1920 and 1930) in Suffolk, Massachusetts, using XGBoost record linkage.
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This person
Anchor record
William Sweeney
Head · 1930 · age 41 · b. ~1889 · Massachusetts
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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:massachusettscensus00reel946:0889)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Wilfred L. Marden | 22 | Boarder | Dot Scraper | Massachusetts |
| 2 | M. Ross | 20 | Boarder | — | Massachusetts |
| 3 | Michael J. Connor | 25 | Lodger | Freight Handler | Irish Free State |
| 4 | John B. Doherty | 60 | Lodger | Salesman | Massachusetts |
| 5 | Mary A. Doherty | 47 | Lodger | Book Keeper | Massachusetts |
| 6 | Denis Dugan | 36 | Lodger | Checker | Irish Free State |
| 7 | Martin J. Ryan | 43 | Lodger | Cutter | New Hampshire |
| 8 | Margaret Hayes | 58 | Lodger | — | Massachusetts |
| 9 | Jacob Stoll | 45 | Lodger | Soldier | Pennsylvania |
| 10 | Catherine E. Riley | 32 | Head | Payroll Clerk | Massachusetts |
| 11 | Margaret Riley | 71 | Mother | — | Massachusetts |
| 12 | Morris Mahoney | 70 | Boarder | — | Irish Free State |
| 13 | Ellen Murphy | 63 | Head | Janitress | Irish Free State |
| 14 | Elizabeth Mccourtney | 38 | Head | Candy Packer | Irish Free State |
| 15 | Nora Mccourtney | 16 | Daughter | — | Irish Free State |
| 16 | Michael Gratton | 41 | Head | Laborer | Irish Free State |
| 17 | Bridget Gratton | 37 | Wife | — | Irish Free State |
| 18 | James Gratton | 8 | Son | — | Massachusetts |
| 19 | Annie Gratton | 5 | Daughter | — | Massachusetts |
| 20 | Robert Gratton | 2 | Son | — | Massachusetts |
| 21 | Clarence Knox | 28 | Head | Teamster | Massachusetts |
| 22 | Catherine Knox | 26 | Wife | Wrapper | Massachusetts |
| 23 | Ruth Knox | 5 | Daughter | — | Massachusetts |
| 24 | Edward Knox | 3 | Son | — | Massachusetts |
| 25 | William R. Sweeney THIS PERSON | 41 | Head | Chauffeur | Massachusetts |
| 26 | Nora Sweeney | 40 | Wife | — | Massachusetts |
| 27 | Martin J. Sweeney | 22 | Son | Helper | Massachusetts |
| 28 | Nora Sweeney | 19 | Daughter | — | Massachusetts |
| 29 | Daniel J. Sweeney | 17 | Son | Errand Boy | Massachusetts |
| 30 | Mary M. Sweeney | 15 | Daughter | — | Massachusetts |
| 31 | Eleanor M. Sweeney | 14 | Daughter | — | Massachusetts |
| 32 | Gertrude Sweeney | 11 | Daughter | — | Massachusetts |
| 33 | Helen Sweeney | 9 | Daughter | — | Massachusetts |
| 34 | William J. Sweeney | 7 | Son | — | Massachusetts |
| 35 | Louise M. Sweeney | 1 | Daughter | — | Massachusetts |
| 36 | Thomas Mccabe | 27 | Head | Chauffeur | Massachusetts |
| 37 | Margaret R. Mccabe | 20 | Wife | — | Massachusetts |
| 38 | Marie A. Mccabe | 0 | Daughter | — | Massachusetts |
| 39 | Garrett Sullivan | 27 | Head | Chauffeur | Massachusetts |
| 40 | Catherine G. Sullivan | 27 | Wife | — | Massachusetts |
| 41 | James L. Sullivan | 2 | Son | — | Massachusetts |
| 42 | Herbert W. Sullivan | 1 | Son | — | Massachusetts |
| 43 | Elizabeth M. Sullivan | 31 | Sister-in-law | Nurse | Massachusetts |
| 44 | John J. Spillane | 38 | Head | Tapper | Massachusetts |
| 45 | Bessie A. Spillane | 33 | Wife | — | Massachusetts |
| 46 | Catherine J. Spillane | 12 | Daughter | — | Massachusetts |
| 47 | Helen M. Spillane | 10 | Daughter | — | Massachusetts |
| 48 | John Spillane | 7 | Son | — | Massachusetts |
| 49 | Clare Spillane | 5 | Daughter | — | Massachusetts |
| 50 | Phyllis Spillane | 3 | Daughter | — | 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)