BT
Beatrice Thomas — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this Beatrice Thomas across the 1930 and 1940 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1912), then head of a 9-person household.
Age 18
b. ~1912
Female
Daughter
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Middlesex, Massachusetts |
| Surname | Thomas |
| Given Name | Beatrice |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Hudson Town Part |
| Est. Birth Year | ~1912 |
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 1930 census.
| Name | Relation to head | Relative to Beatrice | Age | Birth yr |
|---|---|---|---|---|
| John Thomas | Head | — | 54 | ~1876 |
| Edith Thomas | Daughter | — | 7 | ~1923 |
| Leonard Thomas | Son | — | 5 | ~1925 |
| Phyllis Thomas | Daughter | — | 10 | ~1920 |
| Ada Thomas | Spouse | — | 43 | ~1887 |
| Alice Thomas | Daughter | — | 14 | ~1916 |
| Beatrice Thomas | Daughter | — | 18 | ~1912 |
| George Thomas | Daughter | — | 20 | ~1910 |
| Richard Thomas | Son | — | 2 | ~1928 |
Census Appearances
1930
Middlesex, Massachusetts
Daughter, age 18
Middlesex, Massachusetts · implied b. ~1912 — 9 household members
| Surname | Thomas |
| Given Name | Beatrice |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Spouse, age 27
Middlesex-County, Massachusetts · implied b. ~1913 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Blanche V. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Marlborough City |
| 1935 Residence (County) | Middlesex |
| Highest Grade | Hs 2 |
| 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 Beatrice Thomas across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Beatrice Thomas
Daughter · 1930 · age 18 · b. ~1912 · Massachusetts
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Sibling
George Thomas
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Thomas
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Thomas
Sibling · 1930 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edith Thomas
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leonard Thomas
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Phyllis Thomas
Sibling · 1930 · age 10
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 — Middlesex, Massachusetts
Open full size
1930 US Federal Census — Middlesex, Massachusetts
Page Contents
50 people indexed on this census page (ia:1930:massachusettscensus00reel919:0774)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John T. Thomas | 54 | Head | Woodworker | England |
| 2 | Ada T. Thomas | 43 | Wife | — | England |
| 3 | George A. Thomas | 20 | Daughter | Twister | Massachusetts |
| 4 | Beatrice Thomas THIS PERSON | 18 | Daughter | — | Massachusetts |
| 5 | Alice Thomas | 14 | Daughter | — | Massachusetts |
| 6 | Phyllis Thomas | 10 | Daughter | — | Massachusetts |
| 7 | Edith Thomas | 7 | Daughter | — | Massachusetts |
| 8 | Leonard Thomas | 5 | Son | — | Massachusetts |
| 9 | Richard Thomas | 2 | Son | — | Massachusetts |
| 10 | Peter Christo | 45 | Head | Woodworker | Albania |
| 11 | Pauline Christo | 47 | Wife | — | Albania |
| 12 | Adam Sernick | 54 | Head | Woodworker | Lithuania |
| 13 | Katherine Sernick | 48 | Wife | — | Lithuania |
| 14 | John Sernick | 19 | Son | Cook | Lithuania |
| 15 | Sophie Sernick | 17 | Daughter | Beamer | Massachusetts |
| 16 | Peter Stonis | 57 | Head | Washer | Lithuania |
| 17 | Anna Stonis | 50 | Wife | Twister | Lithuania |
| 18 | Julia Stonis | 15 | Daughter | — | Lithuania |
| 19 | Veronica Stonis | 12 | Daughter | — | Massachusetts |
| 20 | Joseph Andulis | 42 | Head | Woodworker | Lithuania |
| 21 | Nellie Andulis | 38 | Wife | — | Lithuania |
| 22 | Anna Andulis | 5 | Daughter | — | Massachusetts |
| 23 | Lillian Andulis | 2 | Daughter | — | Massachusetts |
| 24 | Louis Shatas | 44 | Head | Woodworker | Lithuania |
| 25 | Mary Shatas | 42 | Wife | — | Lithuania |
| 26 | Frank Shatas | 17 | Son | Kitchen | Massachusetts |
| 27 | Luke Shatas | 13 | Son | — | Massachusetts |
| 28 | Anna Shatas | 12 | Daughter | — | Massachusetts |
| 29 | Joseph Hunt | 33 | Head | Salesman | Pennsylvania |
| 30 | Eleanor Hunt | 25 | Wife | — | Massachusetts |
| 31 | Blake Hunt | 7 | Son | — | Massachusetts |
| 32 | Russell Hunt | 6 | Son | — | Massachusetts |
| 33 | George Hunt | 4 | Daughter | — | Massachusetts |
| 34 | Joseph Hunt | 2 | Son | — | Massachusetts |
| 35 | Harold H. Brooks | 51 | Head | Laundryman | Massachusetts |
| 36 | Florence A. Brooks | 45 | Wife | — | Massachusetts |
| 37 | Anna Bader | 40 | Head | Twister | Lithuania |
| 38 | Anna Bader | 17 | Daughter | — | Massachusetts |
| 39 | Adam Kozlowska | 37 | Head | Tailor | Poland |
| 40 | Nora Kozlowska | 36 | Wife | — | Poland |
| 41 | John Kruger | 51 | Head | Woodworker | Lithuania |
| 42 | Lena Kruger | 45 | Wife | Woodworker | Lithuania |
| 43 | John Kruger | 18 | Son | — | Massachusetts |
| 44 | Nellie Kruger | 13 | Daughter | — | Massachusetts |
| 45 | Steven Sernick | 37 | Head | Machinist | Lithuania |
| 46 | Louis Sernick | 35 | Wife | — | Lithuania |
| 47 | John Sernick | 11 | Son | — | Massachusetts |
| 48 | Frank Sernick | 8 | Son | — | Massachusetts |
| 49 | Pauline Sernick | 2 | Daughter | — | Massachusetts |
| 50 | William West | 52 | Head | Machinist | Indiana |
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)