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Bertha Davis — 1920 US Census Record
Model Tree available1920 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this Bertha Davis across the 1900, 1910 and 1920 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed), with identified parents Walter & Abby — first a daughter (b.~1875), then head of a 5-person household.
Age 45
b. ~1875
Female
Daughter
Born: Massachusetts
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Middlesex, Massachusetts |
| Surname | Davis |
| Given Name | Bertha F. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Maine |
| Additional Details | |
| Occupation | Teacher |
| Industry | Public School |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Teacher |
| Township / Ward | Newton City |
| Est. Birth Year | ~1875 |
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.
5 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Bertha | Age | Birth yr |
|---|---|---|---|---|
| Helen Davis | Daughter | — | 38 | ~1882 |
| Bertha Davis | Daughter | — | 45 | ~1875 |
| Walter Davis | Head | — | 71 | ~1849 |
| Arthur Davis | Son | — | 33 | ~1887 |
| Nellie Davis | Spouse | — | 68 | ~1852 |
Census Appearances
1900
Middlesex, Massachusetts
Daughter, age 26
Middlesex, Massachusetts · implied b. ~1874 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Bertha G |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Birth Month | Mar |
| Birth Year | 1874 |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Dentist Nurse |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1910
Middlesex, Massachusetts
Daughter, age 35
Middlesex, Massachusetts · implied b. ~1875 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Bertha T |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Maine |
| Occupation | Teacher |
| Industry | High School |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Middlesex, Massachusetts
Daughter, age 45
Middlesex, Massachusetts · implied b. ~1875 — 5 household members
| Surname | Davis |
| Given Name | Bertha F. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Maine |
| Occupation | Teacher |
| Industry | Public School |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | 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 Bertha Davis across 3 US Census years (1900, 1910 and 1920) in Middlesex, Massachusetts, using XGBoost record linkage. Identified parents: father Walter Davis (~0.92 confidence) and mother Abby Davis (~0.92 confidence) and mother Nellie Davis (~0.92 confidence) and mother Mattie Davis (~0.60 confidence) and father William Davis (~0.60 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.79
Father
Walter Davis
b. ~1848
Source father
● Household
· direct · ~0.92
Mother
Abby Davis
b. ~1851
Source mother
● Household
· direct · ~0.92
Mother
Nellie Davis
b. ~1852
Source mother
● Household
· direct · ~0.92
Mother
Mattie Davis
b. ~1864
Source mother
● Household
· direct · ~0.6
Father
William Davis
b. ~1865
Source father
● Household
· direct · ~0.6
This person
Anchor record
Bertha Davis
Daughter · 1920 · age 45 · b. ~1875 · Massachusetts
★ You are viewing this record
Sibling
Helen Davis
Sibling · 1920 · age 38
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arthur Davis
Sibling · 1920 · age 33
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 — Middlesex, Massachusetts
Open full size
1920 US Federal Census — Middlesex, Massachusetts
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu716unit:1003)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William R. Jones | 40 | Head | Fireman | New York |
| 2 | Daisy Jones | 36 | Wife | — | Vermont |
| 3 | Hayward Jones | 16 | Son | — | New York |
| 4 | H. Newton Jones | 11 | Son | — | New York |
| 5 | Dorothy Jones | 9 | Daughter | — | New York |
| 6 | Maud B. Howe | 27 | Sister-in-law | — | Vermont |
| 7 | Chester Bodenchatz | 51 | Head | — | Massachusetts |
| 8 | Edith Bodenchatz | 49 | Wife | Teller | Massachusetts |
| 9 | Clara Woods | 31 | Niece | — | Massachusetts |
| 10 | James James Andrews | 38 | Head | Order Clerk | Michigan |
| 11 | Annie Andrews | 38 | Wife | Professor | Massachusetts |
| 12 | Frank Ruggles | 65 | Lodger | Manager | Massachusetts |
| 13 | Judith Andrews | 8 | Daughter | — | Massachusetts |
| 14 | Charlotte Andrews | 7 | Daughter | — | Massachusetts |
| 15 | Philip Andrews | 5 | Son | — | Massachusetts |
| 16 | Ruth Andrews | 4 | Daughter | — | Massachusetts |
| 17 | Joseph P. Gray | 68 | Head | President | Massachusetts |
| 18 | Annie H. Gray | 65 | Wife | — | Ohio |
| 19 | Mary Jackman | 28 | Servant | Housemaid | Newfoundland |
| 20 | William E. Elder | 72 | Head | Teller | Maine |
| 21 | Mary Elder | 43 | Daughter | Housekeeper | Massachusetts |
| 22 | Clinton L. Eddy | 51 | Head | Commission Merchant | Massachusetts |
| 23 | Mary E. Eddy | 49 | Wife | — | Massachusetts |
| 24 | Edgar Pack | 43 | Head | Clergyman | Ireland |
| 25 | Grace Pack | 44 | Wife | — | Massachusetts |
| 26 | Rosemary Pack | 12 | Daughter | — | Massachusetts |
| 27 | William Pack | 10 | Son | — | Massachusetts |
| 28 | Eileen Pack | 10 | Daughter | — | Massachusetts |
| 29 | Beatrice Pack | 5 | Daughter | — | Massachusetts |
| 30 | Mary Doucette | 28 | Servant | Housemaid | Canada |
| 31 | Samuel Barnard | 72 | Head | Salesman | Massachusetts |
| 32 | Susan S. Barnard | 70 | Wife | — | Massachusetts |
| 33 | John C. Fuller | 72 | Head | Treasurer | Massachusetts |
| 34 | Margaret Symonds | 70 | Sister-in-law | — | Massachusetts |
| 35 | Ellen V. Symonds | 56 | Sister-in-law | Asst. Treasurer | Massachusetts |
| 36 | Alfred E. Fuller | 41 | Son | Manager | Massachusetts |
| 37 | Walter B. Davis | 71 | Head | Wholesale Merchant | Massachusetts |
| 38 | Nellie Davis | 68 | Wife | — | Maine |
| 39 | Bertha F. Davis THIS PERSON | 45 | Daughter | Teacher | Massachusetts |
| 40 | Helen F. Davis | 38 | Daughter | — | Massachusetts |
| 41 | Arthur H. Davis | 33 | Son | Salesman | Massachusetts |
| 42 | Josiah H. Brown | 39 | Head | Medical Physician | Massachusetts |
| 43 | Clara Brown | 75 | Mother | — | Vermont |
| 44 | Jennie Shooles | 64 | Boarder | — | New York |
| 45 | Bertha Shooles | 35 | Daughter | Saleslady | New York |
| 46 | Eustace B. Rice | 48 | Head | Teacher | Massachusetts |
| 47 | Teresa Rice | 41 | Wife | — | Canada |
| 48 | Edith Rice | 17 | Daughter | — | Massachusetts |
| 49 | Edward Rice | 13 | Son | — | Massachusetts |
| 50 | Isaac Dyer | 66 | Head | Painter | Maine |
Pedigree Summary
Bertha + 2 siblings
Gen 1 · 5 parents
~0.79
Max depth 4 (1900–1950 window)
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)