ID
Isaac Davis — 1930 US Census Record
Model Tree available1930 United States Federal Census · Bristol, Massachusetts
Our Model Tree links this Isaac Davis across the 1910, 1920 and 1930 US Censuses in Bristol, Massachusetts (XGBoost, ~Confirmed), with identified parents Sophia — first a head (b.~1879), then head of a 3-person household.
Age 51
b. ~1879
Male
Head
Born: Massachusetts
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Bristol, Massachusetts |
| Surname | Davis |
| Given Name | Isaac |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Age at First Marriage | 21 |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Occupation | Laundry Owner |
| Industry | Laundry |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 20 |
| Veteran | No |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Laundry Owner |
| Township / Ward | Padanaram Village |
| Est. Birth Year | ~1879 |
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 Isaac | Age | Birth yr |
|---|---|---|---|---|
| Ena Davis | Other | — | 44 | ~1886 |
| Isaac Davis | Head | — | 51 | ~1879 |
| Ramon Davis | Son | — | 7 | ~1923 |
Census Appearances
1910
Bristol, Massachusetts
Son, age 31
Bristol, Massachusetts · implied b. ~1879 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Isaac C |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Years Married | 6 |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Milkman |
| Industry | At home |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Bristol, Massachusetts
Other, age 42
Bristol, Massachusetts · implied b. ~1878 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Isaac C |
| Relationship to Head | brother-in-law |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Teamster |
| Industry | Laundry |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Bristol, Massachusetts
Head, age 51
Bristol, Massachusetts · implied b. ~1879 — 3 household members
| Surname | Davis |
| Given Name | Isaac |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Age at First Marriage | 21 |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Laundry Owner |
| Industry | Laundry |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 20 |
| 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 Isaac Davis across 3 US Census years (1910, 1920 and 1930) in Bristol, Massachusetts, using XGBoost record linkage. Identified parents: mother Sophia Davis (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Sophia Davis
b. ~1855
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Isaac Davis
Head · 1930 · age 51 · b. ~1879 · Massachusetts
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Bristol, Massachusetts
Open full size
1930 US Federal Census — Bristol, Massachusetts
Page Contents
50 people indexed on this census page (ia:1930:massachusettscensus00reel886:0763)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William Mackenzie | 46 | Head | Teacher | Canada |
| 2 | Edith Mackenzie | 46 | Wife-H | — | England |
| 3 | Eleanor Mackenzie | 17 | Daughter | — | Massachusetts |
| 4 | William Mackenzie | 16 | Son | — | Massachusetts |
| 5 | John Mackenzie | 12 | Son | — | Massachusetts |
| 6 | Robert Mackenzie | 12 | Son | — | Massachusetts |
| 7 | Kenneth Mackenzie | 6 | Son | — | Massachusetts |
| 8 | Frank Allen | 57 | Head | Railroad Engineer | Massachusetts |
| 9 | Daisy Allen | 50 | Wife-H | — | Massachusetts |
| 10 | Sophia Davis | 76 | Head | — | Massachusetts |
| 11 | Frank Smith | 58 | Head | Plumber | Massachusetts |
| 12 | Alice Smith | 55 | Wife-H | — | Massachusetts |
| 13 | David M Davis | 48 | Son | Beef Salesman | Massachusetts |
| 14 | Althea Davis | 50 | Daughter-in-law | — | Massachusetts |
| 15 | Isaac Davis THIS PERSON | 51 | Head | Laundry Owner | Massachusetts |
| 16 | Ena Davis | 44 | Wife-H | — | Massachusetts |
| 17 | Ramon Davis | 7 | Son | — | Massachusetts |
| 18 | Joseph G Andre | 51 | Head | Grocer | Massachusetts |
| 19 | George S Andre | 47 | Brother | Grocer | Massachusetts |
| 20 | Flora Andre | 44 | Sister | Grocery Clerk | Massachusetts |
| 21 | Florence Andre | 42 | Sister | Grocery Clerk | Massachusetts |
| 22 | Emma Andre | 38 | Sister | Grocery Clerk | Massachusetts |
| 23 | John J Andre | 13 | Nephew | Student | Massachusetts |
| 24 | Arthur Masson | 42 | Head | Retail Druggist | Massachusetts |
| 25 | Anna Masson | 38 | Wife-H | — | Massachusetts |
| 26 | Arthur P Masson | 15 | Son | — | Massachusetts |
| 27 | George B Bentley | 61 | Head | Retired | Massachusetts |
| 28 | Harriet A Bentley | 62 | Wife-H | — | England |
| 29 | Clarence Brownell | 51 | Head | Hotel Manager | Massachusetts |
| 30 | Sarah Brownell | 51 | Wife-H | — | Massachusetts |
| 31 | Bartlett Brownell | 22 | Son | Asst Superintendent | Massachusetts |
| 32 | Alice J Lawrence | 58 | Head | School Principal | New Hampshire |
| 33 | Elizabeth M Briggs | 59 | Head | School Principal | Massachusetts |
| 34 | Joseph Leeson | 28 | Head | Designer | England |
| 35 | Esther Leeson | 28 | Wife-H | — | England |
| 36 | Joseph Faria | 54 | Head | House Painter | Azores |
| 37 | Adeline Faria | 52 | Wife-H | — | Azores |
| 38 | Charles Faria | 22 | Son | Plumber | Massachusetts |
| 39 | Ernest Faria | 19 | Son | Tester | Massachusetts |
| 40 | Mary Oliver | 29 | Daughter | — | Massachusetts |
| 41 | Arthur Oliver | 32 | Son-in-law | Clothing Engineer | Massachusetts |
| 42 | Irene Oliver | 5 | Granddaughter | — | Massachusetts |
| 43 | Frank Bento | 61 | Head | Retired | Portugal |
| 44 | Amelia Bento | 51 | Wife-H | — | Azores |
| 45 | Amelia Bento | 26 | Daughter | Inspector | Portugal |
| 46 | Theodore G Hindley | 29 | Head | Office Mgr | Massachusetts |
| 47 | Eleanor G Hindley | 26 | Wife-H | — | Massachusetts |
| 48 | Mary M Potter | 63 | Head | — | Massachusetts |
| 49 | Annie Sweet | 68 | Head | — | Massachusetts |
| 50 | <End> <End> | None | <END> | <End> | <END> |
Pedigree Summary
Isaac
Gen 1 · 1 parents
~0.92
Max depth 4 (1900–1950 window)
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)