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Bertha Davis — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Sagadahoc, Maine
Our Model Tree links this Bertha Davis across the 1910, 1920 and 1930 US Censuses in Sagadahoc, Maine (XGBoost, ~Confirmed) — first a spouse (b.~1881), then head of a 4-person household.
Age 49
b. ~1881
Female
Spouse
Born: Maine
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Sagadahoc, Maine |
| Surname | Davis |
| Given Name | Bertha N |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Maine |
| Age at First Marriage | 20 |
| Father's Birthplace | Maine |
| Mother's Birthplace | Maine |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
| Township / Ward | Bath City |
| Est. Birth Year | ~1881 |
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.
4 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Bertha | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Davis | Daughter | — | 26 | ~1904 |
| William Davis | Head | — | 52 | ~1878 |
| Anna Kelley | Other | — | 71 | ~1859 |
| Bertha Davis | Spouse | — | 49 | ~1881 |
Census Appearances
1910
Sagadahoc, Maine
Spouse, age 27
Sagadahoc, Maine · implied b. ~1883 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Bertha E |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Maine |
| Years Married | 10 |
| Children Born | 2 |
| Children Living | 2 |
| Father's Birthplace | Maine |
| Mother's Birthplace | Maine |
| Occupation | Dressmaker |
| Industry | at home |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
1920
Sagadahoc, Maine
Spouse, age 39
Sagadahoc, Maine · implied b. ~1881 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Bertha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Maine |
| Father's Birthplace | Maine |
| Mother's Birthplace | Maine |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
1930
Sagadahoc, Maine
Spouse, age 49
Sagadahoc, Maine · implied b. ~1881 — 4 household members
| Surname | Davis |
| Given Name | Bertha N |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Maine |
| Age at First Marriage | 20 |
| Father's Birthplace | Maine |
| Mother's Birthplace | Maine |
| Can Read/Write | Yes |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
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 (1910, 1920 and 1930) in Sagadahoc, Maine, using XGBoost record linkage.
Show:
This person
Anchor record
Bertha Davis
Spouse · 1930 · age 49 · b. ~1881 · Maine
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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 — Sagadahoc, Maine
Open full size
1930 US Federal Census — Sagadahoc, Maine
Page Contents
50 people indexed on this census page (ia:1930:15thcensus838unit:1037)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Andrew M Butterfield | 38 | Head | Drafting | Maine |
| 2 | Eleanor D Butterfield | 41 | Wife | — | Maine |
| 3 | Elizabeth Butterfield | 12 | Daughter | — | Maine |
| 4 | Edward S Butterfield | 7 | Son | — | Maine |
| 5 | William Davis | 52 | Head | Janitor | Maine |
| 6 | Bertha N Davis THIS PERSON | 49 | Wife | — | Maine |
| 7 | Dorothy M Davis | 26 | Daughter | Teacher | Maine |
| 8 | Anna A Kelley | 71 | Boarder | — | Maine |
| 9 | Archibald Miller | 60 | Head | Baker | Scotland |
| 10 | Mary S Miller | 54 | Wife | — | Scotland |
| 11 | Thomas S Aikens | 30 | Nephew | Baker | Scotland |
| 12 | Margaret A Sylvester | 57 | Head | — | Maine |
| 13 | Catherine E Conley | 63 | Sister | Saleslady | Maine |
| 14 | Margaret A Conley | 74 | Head | — | Maine |
| 15 | Catherine E Conley | 51 | Daughter | — | Maine |
| 16 | Charles F Hotchkiss | 21 | Boarder | Servant | Maine |
| 17 | Mary A Hotchkiss | 21 | Boarder | Laborer | Maine |
| 18 | Harold H Conley | 30 | Nephew | Laborer | New Hampshire |
| 19 | Thurlow M Pinkham | 32 | Head | Fireman | Maine |
| 20 | Gertrude Pinkham | 38 | Wife | — | Maine |
| 21 | Elizabeth M Pinkham | 11 | Daughter | — | Maine |
| 22 | Frances A Pinkham | 2 | Daughter | — | Maine |
| 23 | Ambrose D Maxwell | 64 | Head | Patternmaker | Canada-English |
| 24 | Arline M Gay | 36 | Daughter | — | Canada-English |
| 25 | Ralph Gay | 34 | Son-in-law | — | Maine |
| 26 | Alvah G Hodge | 33 | Head | Clerk | Canada-English |
| 27 | Priscilla M Hodge | 2 | Daughter | — | Michigan |
| 28 | Iva G Hodge | 15 | Daughter | — | North Carolina |
| 29 | Blair G Hodge | 5 | Son | — | Maine |
| 30 | Ernest T Sponge | 67 | Step-father | Patternmaker | Maine |
| 31 | Kenneth H Smart | 22 | Roomer | Electrician | Maine |
| 32 | Harry F Smart | 51 | Roomer | Laborer | Maine |
| 33 | Harry Helmiksen | 30 | Roomer | Carpenter | Norway |
| 34 | Herbert Elwell | 36 | Roomer | Carpenter | Maine |
| 35 | Edwin Mills | 38 | Roomer | Carpenter | Maine |
| 36 | William Moore | 26 | Roomer | Carpenter | Massachusetts |
| 37 | Knute Peder | 20 | Roomer | Tailor | Massachusetts |
| 38 | Thomas E Conley | 31 | Head | Salesman | Maine |
| 39 | Evelyn Conley | 40 | Wife | — | Maine |
| 40 | Theodore L Philbrook | 44 | Roomer | Draftsman | Maine |
| 41 | Irving Porter | 24 | Roomer | Laborer | Massachusetts |
| 42 | Lewis M Kearney | 55 | Roomer | Laborer | Maine |
| 43 | Ralph P Blakeney | 32 | Roomer | Salesman | Maine |
| 44 | Frank T Sprague | 42 | Roomer | Policeman | Maine |
| 45 | John W Costain | 53 | Head | Carpenter | Canada-English |
| 46 | Lillian A Costain | 52 | Wife | — | Canada-French |
| 47 | Edward H Wright | 56 | Head | Laborer | Rhode Island |
| 48 | Ada M Wright | 58 | Wife | — | Maine |
| 49 | Edna M Wright | 21 | Daughter | Saleswoman | Maine |
| 50 | Henry E Savage | 29 | Head | Laborer | Maine |
Related Census Records
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)