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William Harrington — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Suffolk, Massachusetts
Our Model Tree links this William Harrington across the 1920 and 1930 US Censuses in Suffolk, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1915), then head of a 8-person household.
Age 15
b. ~1915
Male
Son
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Suffolk, Massachusetts |
| Surname | Harrington |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Boston City |
| Est. Birth Year | ~1915 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| Mildred Harrington | Daughter | — | 5 | ~1925 |
| Lois Harrington | Daughter | — | 9 | ~1921 |
| Dorothy Harrington | Daughter | — | 12 | ~1918 |
| Herbert Harrington | Son | — | 22 | ~1908 |
| Thomas Harrington | Son | — | 17 | ~1913 |
| Isabelle Harrington | Spouse | — | 46 | ~1884 |
| John Harrington | Head | — | 42 | ~1888 |
| William Harrington | Son | — | 15 | ~1915 |
Census Appearances
1920
Suffolk, Massachusetts
Son, age 4
Suffolk, Massachusetts · implied b. ~1916 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harrington |
| Given Name | William S. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| 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 15
Suffolk, Massachusetts · implied b. ~1915 — 8 household members
| Surname | Harrington |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| 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 |
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 Harrington across 2 US Census years (1920 and 1930) in Suffolk, Massachusetts, using XGBoost record linkage.
Show:
This person
Anchor record
William Harrington
Son · 1930 · age 15 · b. ~1915 · Massachusetts
★ You are viewing this record
Sibling
Thomas Harrington
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mildred Harrington
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lois Harrington
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Harrington
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Herbert Harrington
Sibling · 1930 · age 22
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:massachusettscensus00reel948:0526)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Richard C. Blatz | 61 | Head | Painter | Canada French |
| 52 | Michael J. Doyle | 50 | Head | Laborer | South Ireland |
| 53 | John J. Quinn | 43 | Head | Restaurant | Massachusetts |
| 54 | Janet H. Quinn | 24 | Wife | — | New Hampshire |
| 55 | Mary J. Quinn | 3 | Daughter | — | Massachusetts |
| 56 | John J. Jr. Quinn | 2 | Son | — | Massachusetts |
| 57 | Frank A. Quinn | 1 | Son | — | Massachusetts |
| 58 | Robert W. Smith | 60 | Head | Salesman | New York |
| 59 | Louise Gould | 29 | Lodger | Proprietor | New York |
| 60 | Louis E. Dailey | 34 | Head | Salesman | Massachusetts |
| 61 | Annie M. Dailey | 45 | Wife | — | Massachusetts |
| 62 | Rita Dailey | 10 | Daughter | — | Massachusetts |
| 63 | John H. Griffin | 55 | Head | Manager | New York |
| 64 | Joanna Griffin | 18 | Daughter | Stenographer | Massachusetts |
| 65 | Angeline Griffin | 14 | Daughter | — | Massachusetts |
| 66 | Arthur Rousseau | 40 | Head | Waiter | Massachusetts |
| 67 | Rose A. Rousseau | 35 | Wife | — | Canada French |
| 68 | Bernadette Rousseau | 3 | Daughter | — | Massachusetts |
| 69 | Arthur Rousseau | 1 | Son | — | Massachusetts |
| 70 | George Livingston | 58 | Head | Proprietor | Massachusetts |
| 71 | Nellie M. Livingston | 50 | Wife | — | Massachusetts |
| 72 | Catherine Doherty | 46 | Head | Cook | Massachusetts |
| 73 | Frank H. Conroy | 35 | Head | Salesman | Massachusetts |
| 74 | Mary J. Conroy | 73 | Aunt | — | Massachusetts |
| 75 | John J. Shaughnessy | 44 | Head | Salesman | Massachusetts |
| 76 | Anna Shaughnessy | 69 | Mother | — | South Ireland |
| 77 | Margaret Walsh | 66 | Head | Chambermaid | Massachusetts |
| 78 | Alice Walsh | 64 | Sister | — | Massachusetts |
| 79 | James Gilday | 34 | Head | Waiter | Massachusetts |
| 80 | Gertrude Gilday | 17 | Daughter | — | Massachusetts |
| 81 | Isabella Bohan | 50 | Head | — | South Ireland |
| 82 | Francis J. Bohan | 28 | Son | Chauffeur | Massachusetts |
| 83 | John S. Harrington | 42 | Head | Clerk | Massachusetts |
| 84 | Isabelle Harrington | 46 | Wife | Cook | Massachusetts |
| 85 | Herbert Harrington | 22 | Son | Baker | Massachusetts |
| 86 | Thomas Harrington | 17 | Son | Clerk | Massachusetts |
| 87 | William Harrington THIS PERSON | 15 | Son | — | Massachusetts |
| 88 | Dorothy Harrington | 12 | Daughter | — | Massachusetts |
| 89 | Lois Harrington | 9 | Daughter | — | Massachusetts |
| 90 | Mildred Harrington | 5 | Daughter | — | Massachusetts |
| 91 | Mathilda Erickson | 72 | Head | — | Sweden |
| 92 | Marie J. Dystrom | 65 | Head | Housekeeper | Sweden |
| 93 | Frank Dystrom | 56 | Lodger | Laborer | Sweden |
| 94 | Adolph Dystrom | 52 | Lodger | Salesman | Scotland |
| 95 | John Dystrom | 47 | Lodger | Painter | Massachusetts |
| 96 | Hugh Dystrom | 25 | Lodger | Salesman | Massachusetts |
| 97 | William E. Gould | 51 | Lodger | Builder | Massachusetts |
| 98 | Harriet Gould | 52 | Lodger | Saleswoman | Massachusetts |
| 99 | William Gould | 17 | Lodger | — | Massachusetts |
| 100 | Clarence Stimson | 42 | Lodger | Chauffeur | New Hampshire |
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)