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William Welsh — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Suffolk, Massachusetts
Our Model Tree links this William Welsh across the 1920 and 1930 US Censuses in Suffolk, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1911), then head of a 6-person household.
Age 9
b. ~1911
Male
Son
Born: Massachusetts
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Suffolk, Massachusetts |
| Surname | Welsh |
| Given Name | William |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Irish |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Chelsea City |
| Est. Birth Year | ~1911 |
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.
6 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Thomas Welsh | Son | — | 11 | ~1909 |
| William Welsh | Son | — | 9 | ~1911 |
| Margaret Welsh | Daughter | — | 5 | ~1915 |
| Mary Welsh | Daughter | — | 15 | ~1905 |
| Dorothy Welsh | Daughter | — | 14 | ~1906 |
| Nora Welsh | Spouse | — | 47 | ~1873 |
Census Appearances
1920
Suffolk, Massachusetts
Son, age 9
Suffolk, Massachusetts · implied b. ~1911 — 6 household members
| Surname | Welsh |
| Given Name | William |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Irish |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Suffolk, Massachusetts
Son, age 20
Suffolk, Massachusetts · implied b. ~1910 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | WALSH |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Mechanic |
| Industry | Auto |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| 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 Welsh across 2 US Census years (1920 and 1930) in Suffolk, Massachusetts, using XGBoost record linkage.
Show:
This person
Anchor record
William Welsh
Son · 1920 · age 9 · b. ~1911 · Massachusetts
★ You are viewing this record
Sibling
Dorothy Welsh
Sibling · 1920 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Welsh
Sibling · 1920 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Welsh
Sibling · 1920 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Welsh
Sibling · 1920 · age 15
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
1920 US Federal Census — Suffolk, Massachusetts
Open full size
1920 US Federal Census — Suffolk, Massachusetts
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu743unit:0580)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Nora Welsh | 47 | wife | — | Ireland |
| 2 | Mary Welsh | 15 | daughter | — | Massachusetts |
| 3 | Dorothy Welsh | 14 | daughter | — | Massachusetts |
| 4 | Thomas Welsh | 11 | son | — | Massachusetts |
| 5 | William Welsh THIS PERSON | 9 | son | — | Massachusetts |
| 6 | Margaret Welsh | 5 | daughter | — | Massachusetts |
| 7 | Mary Sullivan | 45 | head | — | Ireland |
| 8 | Margaret Sullivan | 25 | daughter | Clerk | Massachusetts |
| 9 | William Sullivan | 22 | son | Laborer | Massachusetts |
| 10 | Albert Stoney | 51 | head | Foreman | Massachusetts |
| 11 | Mary E Stoney | 49 | wife | — | Massachusetts |
| 12 | Florence Stoney | 31 | son | Buffer | Massachusetts |
| 13 | Leonard J Stoney | 9 | son | — | Massachusetts |
| 14 | Charles E Campbell | 42 | head | Cabinet Maker | England |
| 15 | Mabel D Campbell | 41 | wife | — | Massachusetts |
| 16 | Celia Rogers | 67 | stepmother | — | New Hampshire |
| 17 | Loretta Rogers | 31 | stepdaughter | Labeler | Massachusetts |
| 18 | Charles Bazer | 44 | head | Fruit Dealer | Massachusetts |
| 19 | Annie Bazer | 33 | wife | — | Massachusetts |
| 20 | George Bazer | 14 | son | — | Massachusetts |
| 21 | Raymond Bazer | 11 | son | — | Massachusetts |
| 22 | Reta Bazer | 4 | daughter | — | Massachusetts |
| 23 | Henry C Busch | 51 | head | Manufacturer | Halifax, Can |
| 24 | Annie D Busch | 60 | wife | — | Nova Scotia |
| 25 | Henry Busch | 25 | son | Manufacturer | Massachusetts |
| 26 | Joseph Taylor | 36 | head | Keeper | Massachusetts |
| 27 | Rebecca Taylor | 37 | wife | — | Massachusetts |
| 28 | Emma Taylor | 7 | daughter | — | Massachusetts |
| 29 | Lucinda Taylor | 68 | head | — | Virginia |
| 30 | Catherine Sparrow | 46 | daughter | Dressmaker | Maryland |
| 31 | Clara Sparrow | 52 | daughter | Milliner | Maryland |
| 32 | John C Bowden | 8 | nephew | — | Maryland |
| 33 | Fred Dean | 33 | head | Longshoreman | Rhode Island |
| 34 | Fred Dean | 5 | son | — | Massachusetts |
| 35 | Sarah Center | 67 | mother | — | New Hampshire |
| 36 | Francis A Hine | 27 | head | Peddler | Maine |
| 37 | William Hine | 60 | father | Carpenter | Maine |
| 38 | Madeline Hine | 20 | sister | Candy Maker | Maine |
| 39 | Edward Hine | 34 | brother | Machinist | Maine |
| 40 | Margaret Travers | 63 | head | — | Ireland |
| 41 | Catherine Travers | 35 | daughter | — | Massachusetts |
| 42 | Michael Travers | 34 | son | Machinist | Massachusetts |
| 43 | A Knight | 60 | head | — | England |
| 44 | J Mckenzie | 33 | head | Printer | Massachusetts |
| 45 | M Mckenzie | 27 | wife | — | Massachusetts |
| 46 | Daniel Mccarthy | 40 | head | — | Ireland |
| 47 | Gladys Mccarthy | 13 | daughter | — | Massachusetts |
| 48 | Beatrice Mccarthy | 11 | daughter | — | Massachusetts |
| 49 | James Dunham | 33 | head | Laborer | New Hampshire |
| 50 | Annie Dunham | 26 | wife | Shoemaker | New Hampshire |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)