RE
Robert Ellis — 1940 US Census Record
Model Tree available1940 United States Federal Census · Multnomah-County, Oregon
Our Model Tree links this Robert Ellis across the 1920, 1930 and 1940 US Censuses in Multnomah-County, Oregon (XGBoost, ~Confirmed), with identified parents James & William — first a son (b.~1912), then head of a 3-person household.
Age 28
b. ~1912
Male
Son
Born: Oregon
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Multnomah-County, Oregon |
| Surname | Ellis |
| Given Name | Robert J. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Oregon |
| 1935 Residence (City) | Hurlburt Precinct 418 |
| 1935 Residence (County) | Multnomah |
| Additional Details | |
| Occupation | Forest Guard |
| Industry | Forest Service |
| Class of Worker | GW |
| Hours Worked | 54 |
| Income (1939) | 520 |
| Highest Grade | No |
| 1935 Residence | Same place |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
| Occupation | Forest Guard |
| Township / Ward | Hurlburt Precinct 418 |
| Est. Birth Year | ~1912 |
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 Robert | Age | Birth yr |
|---|---|---|---|---|
| W Ellis | Head | — | 54 | ~1886 |
| Robert Ellis | Son | — | 28 | ~1912 |
| Dorthy Ellis | Spouse | — | 52 | ~1888 |
Census Appearances
1920
Multnomah, Oregon
Son, age 8
Multnomah, Oregon · implied b. ~1912 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ellis |
| Given Name | Robert J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Oregon |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Washington |
| Occupation | none |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
1930
Multnomah, Oregon
Son, age 18
Multnomah, Oregon · implied b. ~1912 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ellis |
| Given Name | Robert J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Oregon |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Washington |
| Can Read/Write | Yes |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
1940
Multnomah-County, Oregon
Son, age 28
Multnomah-County, Oregon · implied b. ~1912 — 3 household members
| Surname | Ellis |
| Given Name | Robert J. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Oregon |
| 1935 Residence (City) | Hurlburt Precinct 418 |
| 1935 Residence (County) | Multnomah |
| Occupation | Forest Guard |
| Industry | Forest Service |
| Class of Worker | GW |
| Hours Worked | 54 |
| Income (1939) | 520 |
| Highest Grade | No |
| 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 Robert Ellis across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Ellis (~0.92 confidence) and father William Ellis (~0.92 confidence) and father W Ellis (~0.92 confidence) and mother Dorthy Ellis (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Ellis
b. ~1881
Source father
● Household
· direct · ~0.92
Father
William Ellis
b. ~1882
Source father
● Household
· direct · ~0.92
Father
W Ellis
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Dorthy Ellis
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Ellis
Son · 1940 · age 28 · b. ~1912 · 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
40 people indexed on this census page (nara:1940:m-t0627-03377-00177)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Louis Henegat | 25 | daughter | — | Oregon |
| 42 | V. F. Henkle | 63 | Head | Proprietor | Kansas |
| 43 | Della Henkle | 59 | wife | — | Kansas |
| 44 | Dorthy Hollick | 29 | servant | Servant | Ohio |
| 45 | Donald Curry | 20 | Hiredhand | Hired Hand | Iowa |
| 46 | Willard Mckee | 15 | Hiredhand | Hiredhand | Iowa |
| 47 | Harald Howell | 21 | Hiredhand | Hiredhand | Iowa |
| 48 | P. Brogan | 57 | Head | Operator | Iowa |
| 49 | Mary Brogan | 54 | wife | — | Iowa |
| 50 | Vincent Brogan | 31 | son | Laborer | New York |
| 51 | Harold Brogan | 19 | son | Laborer | Canada |
| 52 | Jack White | 27 | Head | Laborer | N. Carolina |
| 53 | Verl White | 25 | wife | — | N. Carolina |
| 54 | Harold E. White | 5 | son | — | Oregon |
| 55 | T. M. Garn | 64 | Head | Proprietor | Utah |
| 56 | Roxey Garn | 60 | wife | — | W. Virginia |
| 57 | Antone Zilm | 52 | Head | Proprietor | Colorado |
| 58 | Lewis Zilm | 50 | brother | Laborer | California |
| 59 | Sister Azalea | 44 | sister | — | Iowa |
| 60 | Norman Azalea | 19 | nephew | Laborer | Oregon |
| 61 | Paul Tomlin | 22 | cousin | Laborer | Washington |
| 62 | Margaret Tomlin | 18 | Niece | — | Oregon |
| 63 | George Smith | 34 | Head | Operator | Oregon |
| 64 | Alice Smith | 32 | wife | — | Oregon |
| 65 | Curtis Smith | 2 | son | — | — |
| 66 | Albert Smith | 0 | son | — | — |
| 67 | Head Soderstrom | 52 | Head | Laborer | Minnesota |
| 68 | Doris Soderstrom | 46 | wife | — | Oregon |
| 69 | Keith Soderstrom | 25 | son | — | — |
| 70 | David Soderstrom | 15 | son | — | — |
| 71 | P. A. Soderstrom | 60 | Head | Proprietor | Wisconsin |
| 72 | Bessie Soderstrom | 61 | wife | — | Norway |
| 73 | William Soderstrom | 30 | son | Laborer | Oregon |
| 74 | Orual Alach | 38 | Head | Laborer | Oregon |
| 75 | Dorthy Alach | 34 | wife | — | Oregon |
| 76 | Glen Alach | 2 | son | — | — |
| 77 | Mary Alach | 0 | daughter | — | — |
| 78 | W. J. Ellis | 54 | Head | Proprietor | Pennsylvania |
| 79 | Dorthy Ellis | 52 | wife | — | Washington |
| 80 | Robert J. Ellis THIS PERSON | 28 | son | Forest Guard | Oregon |
Pedigree Summary
Robert
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)