MD
Mabel Davis — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this Mabel Davis across the 1920, 1930 and 1940 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1885), then head of a 3-person household.
Age 45
b. ~1885
Female
Head
Born: Vermont
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Middlesex, Massachusetts |
| Surname | Davis |
| Given Name | Mabel |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Vermont |
| Age at First Marriage | 19 |
| Father's Birthplace | Vermont |
| Mother's Birthplace | Vermont |
| Additional Details | |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 21 |
| Veteran | No |
| Birth State | Vermont |
| Birth Country | United States |
| Birthplace (normalized) | vermont |
| Township / Ward | Newton City |
| Est. Birth Year | ~1885 |
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.
3 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mabel | Age | Birth yr |
|---|---|---|---|---|
| Ethel Davis | Daughter | — | 12 | ~1918 |
| Gertrude Davis | Daughter | — | 21 | ~1909 |
| Mabel Davis | Head | — | 45 | ~1885 |
Census Appearances
1920
Middlesex, Massachusetts
Spouse, age 34
Middlesex, Massachusetts · implied b. ~1886 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Mabel |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Vermont |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Vermont |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Vermont |
| Birth Country | United States |
| Birthplace (normalized) | vermont |
1930
Middlesex, Massachusetts
Head, age 45
Middlesex, Massachusetts · implied b. ~1885 — 3 household members
| Surname | Davis |
| Given Name | Mabel |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Vermont |
| Age at First Marriage | 19 |
| Father's Birthplace | Vermont |
| Mother's Birthplace | Vermont |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 21 |
| Veteran | No |
| Birth State | Vermont |
| Birth Country | United States |
| Birthplace (normalized) | vermont |
1940
Suffolk-County, Massachusetts
Spouse, age 55
Suffolk-County, Massachusetts · implied b. ~1885 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Maybelle |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Vermont |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Class of Worker | H |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| Birth State | Vermont |
| Birth Country | United States |
| Birthplace (normalized) | vermont |
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 Mabel Davis across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mabel Davis
Head · 1930 · age 45 · b. ~1885 · 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 — Middlesex, Massachusetts
Open full size
1930 US Federal Census — Middlesex, Massachusetts
Page Contents
50 people indexed on this census page (ia:1930:massachusettscensus00reel926:1129)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mabel Davis THIS PERSON | 45 | Head | — | Vermont |
| 2 | Gertrude Davis | 21 | Daughter | Cashier | Massachusetts |
| 3 | Ethel Davis | 12 | Daughter | — | Massachusetts |
| 4 | William F. Greene | 37 | Head | Supervisor | Massachusetts |
| 5 | Margaret E. Greene | 35 | Wife | — | Massachusetts |
| 6 | William F. Jr. Greene | 1 | Son | — | Massachusetts |
| 7 | Terence W. Smith | 58 | Head | Sanding Pol. | Massachusetts |
| 8 | Violetta Smith | 47 | Wife | — | Massachusetts |
| 9 | Nellie Mcpherson | 48 | Head | Saleslady | Canada English |
| 10 | Mabel Mcpherson | 27 | Daughter | Teacher | Massachusetts |
| 11 | Amanda Carson | 73 | Mother | — | Canada English |
| 12 | Sylvester Barrett | 27 | Head | Printer | New York |
| 13 | Irene V. Barrett | 29 | Wife | — | Massachusetts |
| 14 | Mary Barrett | 2 | Daughter | — | Massachusetts |
| 15 | John S. Hutchinson | 73 | Head | Teacher | England |
| 16 | Harriet C. Hutchinson | 70 | Wife | — | Rhode Island |
| 17 | Ida M. Hutchinson | 56 | Lodger | Practical Nurse | England |
| 18 | Clara S. Hutchinson | 52 | Lodger | Dress Maker | England |
| 19 | Abbie G. Plunkett | 64 | Head | Typist | Massachusetts |
| 20 | Catherine M. Plunkett | 45 | Sister | Teacher | Massachusetts |
| 21 | John Joshua | 50 | Head | Probation Officer | Massachusetts |
| 22 | Margaret E. Joshua | 48 | Wife | — | Massachusetts |
| 23 | Craig E. Joshua | 19 | Son | Salesman | Massachusetts |
| 24 | Stephen L. Joshua | 18 | Son | Factory Foreman | Massachusetts |
| 25 | Herman Sulzer | 41 | Head | Teacher | Germany |
| 26 | Jessimine E. Sulzer | 39 | Wife | — | Massachusetts |
| 27 | Barbara J. Sulzer | 6 | Daughter | — | Massachusetts |
| 28 | Pauline Sulzer | 4 | Daughter | — | Massachusetts |
| 29 | Thomas W. Graham | 52 | Head | Chauffeur | England |
| 30 | Anna C. Graham | 42 | Wife | — | England |
| 31 | Elsie Graham | 23 | Daughter | Typist | England |
| 32 | Fred J. Graham | 21 | Son | Clerk | England |
| 33 | Violet Graham | 19 | Daughter | Cashier | Massachusetts |
| 34 | Michael J. Crowley | 50 | Head | Foreman | Massachusetts |
| 35 | Catherine B. Crowley | 49 | Wife | — | Massachusetts |
| 36 | Margaret E. Crowley | 22 | Daughter | Stenographer | Massachusetts |
| 37 | Eleanor Crowley | 21 | Daughter | — | Massachusetts |
| 38 | Fred Ahearn | 60 | Head | Tower Man | Massachusetts |
| 39 | Ella B. Ahearn | 51 | Wife | Typist | Massachusetts |
| 40 | David L. Barr | 29 | Head | Policeman | Massachusetts |
| 41 | Sadie S. Barr | 29 | Wife | — | Maine |
| 42 | Patricia Barr | 1 | Daughter | — | Massachusetts |
| 43 | Martin Phelan | 25 | Head | Chauffeur | New Hampshire |
| 44 | Hazel Phelan | 26 | Wife | — | Maine |
| 45 | John Phelan | 1 | Son | — | New Hampshire |
| 46 | Louis M. Lehmann | 67 | Head | Clerk | New York |
| 47 | Julia A. Lehmann | 57 | Wife | — | Massachusetts |
| 48 | Robert R. Harris | 40 | Head | Dept. Mgr. | Massachusetts |
| 49 | Edith M. Harris | 38 | Wife | — | Massachusetts |
| 50 | Robert A. Jr. Harris | 10 | Son | — | 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)