ED
Ernest Davis — 1940 US Census Record
Model Tree available1940 United States Federal Census · Lackawanna-County, Pennsylvania
Our Model Tree links this Ernest Davis across the 1910, 1920, 1930 and 1940 US Censuses in Lackawanna-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Oscar & Mr — first a head (b.~1903), then head of a 5-person household.
Age 37
b. ~1903
Male
Head
Born: PENNSYLVANIA
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Lackawanna-County, Pennsylvania |
| Surname | DAVIS |
| Given Name | ERNEST |
| Relationship to Head | HEAD |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | PENNSYLVANIA |
| 1935 Residence (City) | CHINCHILLA |
| 1935 Residence (County) | LACKAWANNA |
| Additional Details | |
| Occupation | LABORER |
| Industry | COAL CO. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1270 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Laborer |
| Township / Ward | Chinchilla |
| Est. Birth Year | ~1903 |
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 Ernest | Age | Birth yr |
|---|---|---|---|---|
| Ernestine Davis | Daughter | — | 7 | ~1933 |
| Mary-Helen Davis | Daughter | — | 1 | ~1939 |
| Ernest Davis | Head | — | 37 | ~1903 |
| William Davis | Son | — | 5 | ~1935 |
| Mary Davis | Spouse | — | 35 | ~1905 |
Census Appearances
1910
Lackawanna, Pennsylvania
Son, age 7
Lackawanna, Pennsylvania · implied b. ~1903 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Earnest |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Lackawanna, Pennsylvania
Son, age 16
Lackawanna, Pennsylvania · implied b. ~1904 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Earnest |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Wales |
| Mother's Birthplace | Wales |
| Occupation | Laborer |
| Industry | D L + W R R |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Welsh |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Lackawanna, Pennsylvania
Head, age 27
Lackawanna, Pennsylvania · implied b. ~1903 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Earnest |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 24 |
| Father's Birthplace | Wales |
| Mother's Birthplace | Wales |
| Occupation | Laborer |
| Industry | Repairing Mine |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 23 |
| Radio Set | R |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Lackawanna-County, Pennsylvania
Head, age 37
Lackawanna-County, Pennsylvania · implied b. ~1903 — 5 household members
| Surname | DAVIS |
| Given Name | ERNEST |
| Relationship to Head | HEAD |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | PENNSYLVANIA |
| 1935 Residence (City) | CHINCHILLA |
| 1935 Residence (County) | LACKAWANNA |
| Occupation | LABORER |
| Industry | COAL CO. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1270 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 Ernest Davis across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Oscar Davis (~0.92 confidence) and father Mr Davis (~0.92 confidence) and mother Laura Davis (~0.92 confidence) and mother Mrs Davis (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Oscar Davis
b. ~1881
Source father
● Household
· direct · ~0.92
Father
Mr Davis
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Laura Davis
b. ~1885
Source mother
● Household
· direct · ~0.92
Mother
Mrs Davis
b. ~1885
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ernest Davis
Head · 1940 · age 37 · b. ~1903 · Pennsylvania
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Lackawanna-County, Pennsylvania
Open full size
1940 US Federal Census — Lackawanna-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03526-00721)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Robert Bailey | 45 | HEAD | Machinist | PENNSYLVANIA |
| 42 | Elsie Bailey | 45 | WIFE | — | PENNSYLVANIA |
| 43 | Louise Bailey | 19 | DAUGHTER | — | PENNSYLVANIA |
| 44 | Shirley Bailey | 15 | DAUGHTER | — | PENNSYLVANIA |
| 45 | Charles Robbins | 43 | HEAD | Supervisor Liquor Control | PENNSYLVANIA |
| 46 | Edith Robbins | 32 | WIFE | — | PENNSYLVANIA |
| 47 | Charles Robbins | 12 | SON | — | PENNSYLVANIA |
| 48 | Arlene Robbins | 4 | DAUGHTER | — | PENNSYLVANIA |
| 49 | Eleanor Robbins | 2 | DAUGHTER | — | PENNSYLVANIA |
| 50 | Elizabeth Wilkins | 51 | HEAD | — | PENNSYLVANIA |
| 51 | Walter Jr Wilkins | 15 | SON | — | PENNSYLVANIA |
| 52 | Anna Walsh | 62 | HEAD | — | PENNSYLVANIA |
| 53 | Mary Walsh | 30 | DAUGHTER | Stenographer | PENNSYLVANIA |
| 54 | William Walsh | 30 | SON | Auto Mechanic | PENNSYLVANIA |
| 55 | William Wolfe | 35 | HEAD | Movie Operator | PENNSYLVANIA |
| 56 | Anna Wolfe | 24 | WIFE | — | PENNSYLVANIA |
| 57 | Dorothy Wolfe | 9 | DAUGHTER | — | PENNSYLVANIA |
| 58 | Shirley Wolfe | 5 | DAUGHTER | — | PENNSYLVANIA |
| 59 | Mary Wolfe | 2 | DAUGHTER | — | PENNSYLVANIA |
| 60 | August Hillemann | 49 | HEAD | Stationary Fireman | GERMANY |
| 61 | Margaret Hillemann | 37 | WIFE | — | PENNSYLVANIA |
| 62 | Jack Hillemann | 20 | SON | Office Boy | PENNSYLVANIA |
| 63 | Esther Hillemann | 17 | DAUGHTER | — | PENNSYLVANIA |
| 64 | Mary Hillemann | 14 | DAUGHTER | — | PENNSYLVANIA |
| 65 | Paul Hillemann | 4 | SON | — | PENNSYLVANIA |
| 66 | Ernest Davis THIS PERSON | 37 | HEAD | Laborer | PENNSYLVANIA |
| 67 | Mary Davis | 35 | WIFE | — | PENNSYLVANIA |
| 68 | Ernestine Davis | 7 | DAUGHTER | — | PENNSYLVANIA |
| 69 | William Davis | 5 | SON | — | PENNSYLVANIA |
| 70 | Mary-Helen Davis | 1 | DAUGHTER | — | PENNSYLVANIA |
| 71 | Max Dempski | 37 | HEAD | Loom Fixer | PENNSYLVANIA |
| 72 | Regina Dempski | 33 | WIFE | — | PENNSYLVANIA |
| 73 | Max Jr Dempski | 12 | SON | — | PENNSYLVANIA |
| 74 | Raymond Dempski | 7 | SON | — | PENNSYLVANIA |
| 75 | John J. Armbrust | 44 | HEAD | Foreman Machine Shop | PENNSYLVANIA |
| 76 | Carline Armbrust | 42 | WIFE | — | PENNSYLVANIA |
| 77 | Betty Armbrust | 17 | DAUGHTER | — | PENNSYLVANIA |
| 78 | Miriam Armbrust | 13 | DAUGHTER | — | PENNSYLVANIA |
| 79 | Joan Jr Armbrust | 5 | SON | — | PENNSYLVANIA |
| 80 | Henry-E. Camin | 47 | HEAD | Clergy Man | NEW YORK |
Pedigree Summary
Ernest
Gen 1 · 4 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)