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Mary Marshall — 1940 US Census Record
Model Tree available1940 United States Federal Census · Multnomah-County, Oregon
Our Model Tree links this Mary Marshall across the 1920, 1930 and 1940 US Censuses in Multnomah-County, Oregon (XGBoost, ~Confirmed), with identified parents Charles — first a daughter (b.~1918), then head of a 2-person household.
Age 22
b. ~1918
Female
Daughter
Born: Oregon
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Multnomah-County, Oregon |
| Surname | Marshall |
| Given Name | Mary Ellen |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Oregon |
| 1935 Residence (City) | Portland city |
| 1935 Residence (County) | Multnomah |
| Additional Details | |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | C 1 |
| 1935 Residence | Same house |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
| 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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Marshall | Daughter | — | 22 | ~1918 |
| Charles Marshall | Head | — | 60 | ~1880 |
Census Appearances
1920
Multnomah, Oregon
Daughter, age 2
Multnomah, Oregon · implied b. ~1918 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Marshall |
| Given Name | Mary Ellen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Oregon |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Indiana |
| Occupation | none |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
1930
Multnomah, Oregon
Daughter, age 13
Multnomah, Oregon · implied b. ~1917 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Marshall |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Oregon |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read/Write | Yes |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
1940
Multnomah-County, Oregon
Daughter, age 22
Multnomah-County, Oregon · implied b. ~1918 — 2 household members
| Surname | Marshall |
| Given Name | Mary Ellen |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Oregon |
| 1935 Residence (City) | Portland city |
| 1935 Residence (County) | Multnomah |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | C 1 |
| 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 Mary Marshall across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Charles Marshall (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles Marshall
b. ~1880
Source father
● Household
· direct · ~0.92
This person
Anchor record
Mary Marshall
Daughter · 1940 · age 22 · b. ~1918 · 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-t0627-03388-00692)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Patricia Flanagan | 7 | daughter | — | Oregon |
| 42 | Judith Flanagan | 5 | daughter | — | Oregon |
| 43 | Milan Boisvert | 14 | nephew | — | Oregon |
| 44 | Elmer O. Wilson | 68 | Head | — | Illinois |
| 45 | Inez O. Wilson | 57 | wife | — | Washington |
| 46 | Ada Wilson | 27 | daughter | Dry-Cleaner | Oregon |
| 47 | Elmer O. Jr. Wilson | 18 | son | Just Left For Ccc Camp | Oregon |
| 48 | Clyde S. Rumbaugh | 55 | Head | Laborer | Nebraska |
| 49 | Winnibel Morris | 58 | Sister | — | Nebraska |
| 50 | Pearl Ann Lambert | 51 | Head | — | Iowa |
| 51 | William V. Lambert | 23 | Son | Log Clerk | Oregon |
| 52 | Mabel Lambert | 21 | Law in Law | — | Oregon |
| 53 | Charles S. Lewis | 76 | Head | Tailor | England |
| 54 | Charles Marshall | 60 | Head | Chief Clerk | Ohio |
| 55 | Mary Ellen Marshall THIS PERSON | 22 | daughter | — | Oregon |
| 57 | George Miller | 58 | Head | Janitor-Retail | Oregon |
| 58 | Delia Miller | 43 | wife | — | Minnesota |
| 59 | Tom Miller | 24 | son | — | Oregon |
| 60 | Edith Peterson | 47 | Head | Chamber-Maid | Oregon |
| 61 | Willis Townsend | 61 | Head | Salesman | Oregon |
| 62 | Ella Townsend | 63 | wife | — | Maine |
| 63 | Edwin Hall | 40 | Head | Longshoreman | Tennessee |
| 64 | Helen Hall | 40 | wife | — | Oregon |
| 65 | Floyd Hall | 21 | son | Partsman | Oregon |
| 66 | Harvey Hall | 18 | son | — | California |
| 67 | Harold Hall | 14 | son | — | Oregon |
| 68 | Donald Hall | 9 | son | — | Oregon |
| 69 | Frank Daiber | 49 | Head | Trucking Foreman | California |
| 70 | Charlotte Daiber | 44 | wife | Auditor | Washington |
| 71 | Geraldine Daiber | 23 | daughter | Cashier And Book-Keeper | Washington |
| 72 | Donald Daiber | 15 | son | — | Washington |
| 73 | Lester Sanford | 44 | Head | Plywood Patcher | North Dakota |
| 74 | Inga Sanford | 44 | wife | — | North Dakota |
| 75 | Roy Sanford | 21 | son | Plywood Woodman | Montana |
| 76 | Ralph Wenrick | 26 | Head | General Maintenance Mechanic | Washington |
| 77 | Freda Wenrick | 23 | wife | — | Washington |
| 78 | Ronald Wenrick | 3 | son | — | Oregon |
| 79 | Frank Callow | 54 | Head | Painter | Iowa |
| 80 | Bertha Callow | 46 | wife | — | Iowa |
Related Census Records
Pedigree Summary
Mary
Gen 1 · 1 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)