RM
Robert Mitchell — 1940 US Census Record
Model Tree available1940 United States Federal Census · Multnomah-County, Oregon
Our Model Tree links this Robert Mitchell across the 1920, 1930 and 1940 US Censuses in Multnomah-County, Oregon (XGBoost, ~Confirmed), with identified parents William & William — first a son (b.~1918), then head of a 5-person household.
Age 22
b. ~1918
Male
Son
Born: Oregon
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Multnomah-County, Oregon |
| Surname | Mitchell |
| Given Name | Robert M |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Oregon |
| 1935 Residence (City) | Portland City |
| 1935 Residence (County) | Multnomah |
| Additional Details | |
| Occupation | Furniture Maker |
| Industry | Wholesale Furniture Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 496 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
| Occupation | Furniture Maker |
| Township / Ward | Portland City |
| Est. Birth Year | ~1918 |
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 Robert | Age | Birth yr |
|---|---|---|---|---|
| Margaret Mitchell | Daughter | — | 5 | ~1935 |
| William Mitchell | Head | — | 53 | ~1887 |
| John Mitchell | Son | — | 17 | ~1923 |
| Robert Mitchell | Son | — | 22 | ~1918 |
| Margaret Mitchell | Spouse | — | 45 | ~1895 |
Census Appearances
1920
Multnomah, Oregon
Son, age 2
Multnomah, Oregon · implied b. ~1918 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mitchell |
| Given Name | Robert M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Oregon |
| Father's Birthplace | New York |
| Mother's Birthplace | Washington |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
1930
Multnomah, Oregon
Son, age 12
Multnomah, Oregon · implied b. ~1918 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mitchell |
| Given Name | Robert M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Oregon |
| Father's Birthplace | New York |
| Mother's Birthplace | Washington |
| Can Read/Write | Yes |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
1940
Multnomah-County, Oregon
Son, age 22
Multnomah-County, Oregon · implied b. ~1918 — 5 household members
| Surname | Mitchell |
| Given Name | Robert M |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Oregon |
| 1935 Residence (City) | Portland City |
| 1935 Residence (County) | Multnomah |
| Occupation | Furniture Maker |
| Industry | Wholesale Furniture Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 496 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| 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 Mitchell across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Mitchell (~0.92 confidence) and father William Mitchell (~0.92 confidence) and father William Mitchell (~0.92 confidence) and mother Margaret Mitchell (~0.92 confidence) and mother Margaret Mitchell (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Mitchell
b. ~1887
Source father
● Household
· direct · ~0.92
Father
William Mitchell
b. ~1888
Source father
● Household
· direct · ~0.92
Father
William Mitchell
b. ~1889
Source father
● Household
· direct · ~0.92
Mother
Margaret Mitchell
b. ~1891
Source mother
● Household
· direct · ~0.92
Mother
Margaret Mitchell
b. ~1895
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Mitchell
Son · 1940 · age 22 · b. ~1918 · Oregon
★ You are viewing this record
Sibling
Margaret Mitchell
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Mitchell
Sibling · 1940 · age 17
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 — 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-t0627-03389-00671)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Walter H Knowlton | 56 | Head | Retired | California |
| 2 | Marjorie A Knowlton | 36 | Wife | — | California |
| 3 | Bernice Irene Knowlton | 4 | Daughter | — | Oregon |
| 4 | Martha Schaefer | 32 | Lodger | Beautician | Oregon |
| 5 | William D Mitchell | 53 | Head | Salesman | New York |
| 6 | Margaret A Mitchell | 45 | Wife | — | Washington |
| 7 | Robert M Mitchell THIS PERSON | 22 | Son | Furniture Maker | Oregon |
| 8 | John L Mitchell | 17 | Son | — | Oregon |
| 9 | Margaret Diane Mitchell | 5 | Daughter | — | Oregon |
| 10 | Carl D Chapman | 50 | Head | Machinist | Minnesota |
| 11 | Fern L Chapman | 50 | Wife | — | Colorado |
| 12 | Ruth Lillian Chapman | 15 | Daughter | — | New York |
| 13 | Eileen Gladys Chapman | 19 | Lodger | Domestic | Washington |
| 14 | Mildred L Mitchell | 49 | Head | Teacher | Minnesota |
| 15 | Minnie Learned | 70 | Mother | — | Ohio |
| 16 | Jessie Armstrong | 49 | Head | Teacher | Oregon |
| 17 | — | None | — | — | — |
| 18 | James M Ballengall | 52 | Head | Asst General Freight Agent | Scotland |
| 19 | Bertha S Ballengall | 43 | Wife | — | Minnesota |
| 20 | James M Ballengall | 16 | Son | — | Oregon |
| 21 | Richard S Jackson | 29 | Head | Auditor | Oregon |
| 22 | Sophia Jackson | 56 | Mother | — | Oregon |
| 23 | Edward G Busch | 45 | Head | Salesman | Oregon |
| 24 | Cecilia R Busch | 42 | Wife | — | Nebraska |
| 25 | Thomas E Busch | 10 | Son | — | California |
| 26 | Dorothy A Busch | 9 | Daughter | — | California |
| 27 | Ernest C Hoppe | 45 | Head | Accountant | Nebraska |
| 28 | Violet T Hoppe | 41 | Wife | — | California |
| 29 | Ernest T Hoppe | 19 | Son | Librarian Camp Director | California |
| 30 | Eugenia C Hoppe | 14 | Daughter | — | California |
| 31 | Arthur Hansen | 46 | Head | Printer | Oregon |
| 32 | Selma Hansen | 42 | Wife | — | Sweden |
| 33 | Dorothy M Hansen | 17 | Daughter | — | Oregon |
| 34 | Daria M Hansen | 17 | Daughter | — | Oregon |
| 35 | Harry H Hill | 53 | Head | News Editor | Kansas |
| 36 | Cornelia K Hill | 51 | Wife | — | Oregon |
| 37 | Sadia Hill | 91 | Mother | — | Indiana |
| 38 | Frank L Lilly | 69 | Head | Salesman | Oregon |
| 39 | Minnie M Lilly | 64 | Wife | — | Washington |
| 40 | Ida Blackman | 79 | Head | — | Illinois |
Pedigree Summary
Robert + 2 siblings
Gen 1 · 5 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)