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Eugene Davis — 1940 US Census Record
Model Tree available1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Eugene Davis across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Russell & Frederick — first a son (b.~1921), then head of a 5-person household.
Age 19
b. ~1921
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Davis |
| Given Name | Eugene |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Medford city |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Medford City |
| Est. Birth Year | ~1921 |
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 1940 census.
| Name | Relation to head | Relative to Eugene | Age | Birth yr |
|---|---|---|---|---|
| Teresa Davis | Spouse | — | 52 | ~1888 |
| Richard Davis | Son | — | 23 | ~1917 |
| Elizabeth Davis | Daughter | — | 19 | ~1921 |
| Hallie Davis | Head | — | 60 | ~1880 |
| Eugene Davis | Son | — | 19 | ~1921 |
Census Appearances
1920
Middlesex, Massachusetts
Son, age 1
Middlesex, Massachusetts · implied b. ~1919 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Eugene |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Maine |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Son, age 11
Middlesex, Massachusetts · implied b. ~1919 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Eugene |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Maine |
| Mother's Birthplace | Massachusetts |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Son, age 19
Middlesex-County, Massachusetts · implied b. ~1921 — 5 household members
| Surname | Davis |
| Given Name | Eugene |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Medford city |
| 1935 Residence (County) | Middlesex |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | Hs 4 |
| 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 Eugene Davis across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Russell Davis (~0.92 confidence) and father Frederick Davis (~0.92 confidence) and mother Adriane Davis (~0.92 confidence) and father Hallie Davis (~0.92 confidence) and mother Elizabeth Price (~0.92 confidence) and mother Teresa Davis (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Russell Davis
b. ~1865
Source father
● Household
· direct · ~0.92
Father
Frederick Davis
b. ~1868
Source father
● Household
· direct · ~0.92
Mother
Adriane Davis
b. ~1875
Source mother
● Household
· direct · ~0.92
Father
Hallie Davis
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Elizabeth Price
b. ~1884
Source mother
● Household
· direct · ~0.92
Mother
Teresa Davis
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Eugene Davis
Son · 1940 · age 19 · b. ~1921 · Massachusetts
★ You are viewing this record
Sibling
Richard Davis
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Davis
Sibling · 1940 · age 19
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
1940 US Federal Census — Middlesex-County, Massachusetts
Open full size
1940 US Federal Census — Middlesex-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01611-00475)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ella De Costa | 21 | Daughter | Clerical | Massachusetts |
| 42 | Claire De Costa | 19 | Daughter | — | Massachusetts |
| 43 | Oscar De Costa | 15 | Son | — | Massachusetts |
| 44 | Roland De Costa | 13 | Son | — | Massachusetts |
| 45 | Edward Sampson | 56 | Head | Stationary Engineer | Maine |
| 46 | Etta Sampson | 56 | Wife | — | Canada English |
| 47 | Minot Sampson | 25 | Son | Amateur Athlete | Massachusetts |
| 48 | John Bravacos | 55 | Head | Wholesale Salesman | Greece |
| 49 | Sadie Bravacos | 45 | Wife | — | Massachusetts |
| 50 | George Bravacos | 23 | Son | Steward | Massachusetts |
| 51 | Louis Bravacos | 22 | Son | Wholesale Salesman | Massachusetts |
| 52 | John Bravacos | 12 | Son | — | Massachusetts |
| 53 | Hallie Davis | 60 | Head | Agent | Pennsylvania |
| 54 | Teresa Davis | 52 | Wife | — | Pennsylvania |
| 55 | Richard Davis | 23 | Son | — | Pennsylvania |
| 56 | Elizabeth Davis | 19 | Daughter | — | Massachusetts |
| 57 | Eugene Davis THIS PERSON | 19 | Son | — | Massachusetts |
| 58 | John Stead | 53 | Head | Clerk | Massachusetts |
| 59 | Hildur Stead | 57 | Wife | — | Sweden |
| 60 | Marion Stead | 13 | Daughter | — | Massachusetts |
| 61 | Pauline Holloway | 29 | Daughter | Store Clerk | Massachusetts |
| 62 | Mildred Holloway | 10 | Daughter | — | Massachusetts |
| 63 | Robert Blake | 41 | Head | President Of Bank | Massachusetts |
| 64 | Elizabeth Blake | 38 | Wife | — | Massachusetts |
| 65 | Joseph Crowley | 62 | Head | Restaurant Owner | Pennsylvania |
| 66 | Margaret Crowley | 65 | Wife | — | Massachusetts |
| 67 | — | None | — | — | — |
| 68 | Mary Gill | 45 | Head | — | Massachusetts |
| 69 | Rita Gill | 42 | Sister | School Nurse | Massachusetts |
| 70 | Anne M. Gill | 65 | Aunt | — | Ireland |
| 71 | John F. Gill | 72 | Uncle | — | Ireland |
| 72 | James Kelleher | 45 | Head | Ship Fitter | Massachusetts |
| 73 | Alice Kelleher | 48 | Wife | Telephone Operator | Massachusetts |
| 74 | Alice Lowe | 15 | Neice | — | Massachusetts |
| 75 | Evelyn Troate | 21 | Boarder | Maid | Massachusetts |
| 76 | — | None | — | — | — |
| 77 | — | None | — | — | — |
| 78 | Frederick Downing | 64 | Head | Assistant Agent | Massachusetts |
| 79 | Ethel Downing | 19 | Daughter | — | Massachusetts |
| 80 | — | None | — | — | — |
Related Census Records
Pedigree Summary
Eugene + 2 siblings
Gen 1 · 6 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 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)