RD
Ray Davis — 1940 US Census Record
Model Tree available1940 United States Federal Census · Multnomah-County, Oregon
Our Model Tree links this Ray Davis across the 1920, 1930 and 1940 US Censuses in Multnomah-County, Oregon (XGBoost, ~Confirmed), with identified parents Ray & Ray — first a head (b.~1905), then head of a 3-person household.
Age 35
b. ~1905
Male
Head
Born: Oregon
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Multnomah-County, Oregon |
| Surname | Davis |
| Given Name | Ray J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Oregon |
| 1935 Residence (City) | Portland city |
| 1935 Residence (County) | Multnomah |
| Additional Details | |
| Occupation | dentist |
| Industry | own office |
| Class of Worker | OA |
| Hours Worked | 48 |
| Income (1939) | 5000 |
| Highest Grade | C-4 |
| 1935 Residence | Same place |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
| Occupation | Dentist |
| Township / Ward | Portland City |
| Est. Birth Year | ~1905 |
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 1940 census.
| Name | Relation to head | Relative to Ray | Age | Birth yr |
|---|---|---|---|---|
| Ray Davis | Head | — | 35 | ~1905 |
| Elizabeth Davis | Spouse | — | 30 | ~1910 |
| Fredric Davis | Son | — | 3 | ~1937 |
Census Appearances
1920
Multnomah, Oregon
Son, age 15
Multnomah, Oregon · implied b. ~1905 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Ray J. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Oregon |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Kansas |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
1930
Multnomah, Oregon
Son, age 25
Multnomah, Oregon · implied b. ~1905 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Ray J. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Oregon |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Kansas |
| Occupation | Student |
| Industry | Dental College |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
1940
Multnomah-County, Oregon
Head, age 35
Multnomah-County, Oregon · implied b. ~1905 — 3 household members
| Surname | Davis |
| Given Name | Ray J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Oregon |
| 1935 Residence (City) | Portland city |
| 1935 Residence (County) | Multnomah |
| Occupation | dentist |
| Industry | own office |
| Class of Worker | OA |
| Hours Worked | 48 |
| Income (1939) | 5000 |
| Highest Grade | C-4 |
| 1935 Residence | Same place |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
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 Ray Davis across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Ray Davis (~0.92 confidence) and father Ray Davis (~0.92 confidence) and mother Pearl Davis (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Ray Davis
b. ~1877
Source father
● Household
· direct · ~0.92
Father
Ray Davis
b. ~1878
Source father
● Household
· direct · ~0.92
Mother
Pearl Davis
b. ~1885
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ray Davis
Head · 1940 · age 35 · b. ~1905 · Oregon
★ 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 — Multnomah-County, Oregon
Open full size
1940 US Federal Census — Multnomah-County, Oregon
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-03393-00348)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Seth T. Hallman | 59 | Lodger | Clerk | Pennsylvania |
| 42 | Ray J. Davis THIS PERSON | 35 | Head | Dentist | Oregon |
| 43 | Elizabeth Davis | 30 | Wife | — | Oregon |
| 44 | Fredric C. Davis | 3 | Son | — | Oregon |
| 45 | Orvel Skaggs | 42 | Head | Salesman | Missouri |
| 46 | Mavis E. Skaggs | 39 | Wife | Clerical | California |
| 47 | Martin S. Paulback | 35 | Head | Accountant | Pennsylvania |
| 48 | Jessie R. Paulback | 35 | Wife | Bookkeeper | Utah |
| 49 | Victor J. Critchlow | 13 | Step son | — | Oregon |
| 50 | Barbara A. Critchlow | 11 | Step daughter | — | Oregon |
| 52 | Franklin J. Underwood | 31 | Head | Medical Doctor | Turkey |
| 53 | Margaret E. Underwood | 26 | Wife | — | California |
| 54 | Philip D. Underwood | 1 | Son | — | Oregon |
| 55 | Orin A. Demuth | 42 | Head | Electrical Engineer | Kansas |
| 56 | Margaret S. Demuth | 42 | Wife | — | Ohio |
| 57 | Orin Jack Demuth | 13 | Son | — | Washington |
| 58 | Robert H. Johnson | 36 | Head | Hair Dresser | Wisconsin |
| 59 | Lola B. Johnson | 34 | Wife | — | Minnesota |
| 60 | Robert H. Jr. Johnson | 11 | Son | — | Minnesota |
| 61 | Gregory B. Johnson | 7 | Son | — | Minnesota |
| 62 | Sandra N. Johnson | 3 | Daughter | — | Oregon |
| 63 | Harriet L. Holmes | 25 | Niece | Stenographer | Montana |
| 64 | Wallace L. Ardis | 38 | Head | Machinist | North Dakota |
| 65 | Marguerite T. Ardis | 35 | Wife | — | Oregon |
| 66 | Dolores J. Ardis | 15 | Daughter | — | Oregon |
| 67 | Frank D. Wood | 38 | Head | Architect | Nebraska |
| 68 | Elizabeth Wood | 37 | Wife | Milliner | Kansas |
| 69 | Kellene L. Wood | 4 | Daughter | — | Oregon |
| 70 | Katherine Chase | 52 | Maid | Housekeeper | Oregon |
| 71 | Lionel F. De Pomery | 54 | Head | Salesman | England |
| 72 | M. Violet De Pomery | 50 | Wife | — | Minnesota |
| 73 | Jack W. Friedel | 31 | Head | Salesman | Colorado |
| 74 | Mathilda C. Friedel | 31 | Wife | — | Oregon |
| 75 | Howard J. Harvey | 31 | Head | Bookkeeper | Oregon |
| 76 | Marguerite Harvey | 31 | Wife | — | Iowa |
| 77 | Ronald L. Harvey | 11 | Son | — | Oregon |
| 78 | Jimmy A. Harvey | 4 | Son | — | Oregon |
| 79 | Ina M. Dillworth | 58 | Mother in law | — | Iowa |
| 80 | Theodore R. Scholl | 34 | Head | Proprietor | Wisconsin |
Pedigree Summary
Ray
Gen 1 · 3 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)