MR
Margaret Ross — 1940 US Census Record
Model Tree available1940 United States Federal Census · Marion-County, Oregon
Our Model Tree links this Margaret Ross across the 1920, 1930 and 1940 US Censuses in Marion-County, Oregon (XGBoost, ~Confirmed), with identified parents Henry & Leland — first a daughter (b.~1916), then head of a 4-person household.
Age 24
b. ~1916
Female
Daughter
Born: Oregon
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Marion-County, Oregon |
| Surname | Ross |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Oregon |
| 1935 Residence (City) | Salem City |
| 1935 Residence (County) | Marion |
| Additional Details | |
| Occupation | Stenographer |
| Industry | Law Office |
| Class of Worker | PW |
| Hours Worked | 39 |
| Income (1939) | 731 |
| Highest Grade | C-3 |
| 1935 Residence | Same Place |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
| Occupation | Stenographer |
| Township / Ward | Salem City |
| Est. Birth Year | ~1916 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Margaret Ross | Daughter | — | 24 | ~1916 |
| Eustace Ross | Head | — | 50 | ~1890 |
| Daniel Ross | Son | — | 16 | ~1924 |
| Virginia Ross | Spouse | — | 49 | ~1891 |
Census Appearances
1920
Marion, Oregon
Daughter, age 3
Marion, Oregon · implied b. ~1917 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ross |
| Given Name | Maxine T |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Oregon |
| Father's Birthplace | Oregon |
| Mother's Birthplace | Oregon |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
1930
Marion, Oregon
Daughter, age 13
Marion, Oregon · implied b. ~1917 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ross |
| Given Name | Maxine L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Oregon |
| Father's Birthplace | Oregon |
| Mother's Birthplace | Oregon |
| Can Read/Write | Yes |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
1940
Marion-County, Oregon
Daughter, age 24
Marion-County, Oregon · implied b. ~1916 — 4 household members
| Surname | Ross |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Oregon |
| 1935 Residence (City) | Salem City |
| 1935 Residence (County) | Marion |
| Occupation | Stenographer |
| Industry | Law Office |
| Class of Worker | PW |
| Hours Worked | 39 |
| Income (1939) | 731 |
| Highest Grade | C-3 |
| 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 Margaret Ross across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Henry Ross (~0.92 confidence) and father Leland Ross (~0.92 confidence) and father Eustace Ross (~0.92 confidence) and mother Virginia Ross (~0.92 confidence) and mother Minnie Ross (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Henry Ross
b. ~1886
Source father
● Household
· direct · ~0.92
Father
Leland Ross
b. ~1888
Source father
● Household
· direct · ~0.92
Father
Eustace Ross
b. ~1890
Source father
● Household
· direct · ~0.92
Mother
Virginia Ross
b. ~1891
Source mother
● Household
· direct · ~0.92
Mother
Minnie Ross
b. ~1893
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Margaret Ross
Daughter · 1940 · age 24 · b. ~1916 · Oregon
★ You are viewing this record
Sibling
Daniel Ross
Sibling · 1940 · age 16
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 — Marion-County, Oregon
Open full size
1940 US Federal Census — Marion-County, Oregon
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-03375-00278)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ella M Donaldson | 51 | Wife | — | Iowa |
| 2 | George W Donaldson | 31 | Son | Salesman | Oregon |
| 3 | Leonard O Donaldson | 23 | Son | Spinner | Oregon |
| 4 | Joann Donaldson | 17 | Daughter | New Worker | Oregon |
| 5 | Eustace Ross | 50 | Head | Attorney | Oregon |
| 6 | Virginia M Ross | 49 | Wife | — | Oregon |
| 7 | Margaret Ross THIS PERSON | 24 | Daughter | Stenographer | Oregon |
| 8 | Daniel H Ross | 16 | Son | New Worker | Oregon |
| 9 | Mary E Norbert | 71 | Head | — | England |
| 10 | Evelyn Anne Norbert | 45 | Daughter | Secretary | England |
| 11 | Christine D Simmons | 40 | Head | — | Missouri |
| 12 | Elizabeth A Simmons | 8 | Daughter | — | Missouri |
| 13 | Jessica L Simmons | 6 | Daughter | — | Missouri |
| 14 | James Simmons | 4 | Son | — | Oregon |
| 15 | Fred S Davis | 27 | Head | Bleacher | Pennsylvania |
| 16 | Helene M Davis | 28 | Wife | — | Illinois |
| 17 | Stella G Davis | 4 | Daughter | New Worker | Washington |
| 18 | James V Callaway | 37 | Head | Owner-Manager | Oregon |
| 19 | Mamie A Callaway | 63 | Mother | Housekeeper | Oregon |
| 20 | John Gardner | 68 | Head | — | Canada |
| 21 | Minnie Gardner | 64 | Wife | — | Wisconsin |
| 22 | Henry B Seagrave | 72 | Head | Sheet Metal | Missouri |
| 23 | Margaret E Seagrave | 72 | Wife | — | Iowa |
| 24 | Roland L Seagrave | 50 | Son | Sheet Metal | Missouri |
| 25 | Lula B Seagrave | 52 | Daughter-in-law | — | Missouri |
| 26 | Everett A Van Orsdol | 38 | Head | Superintendent | Oregon |
| 27 | Alice A Van Orsdol | 37 | Wife | — | South Dakota |
| 28 | Margaret A Van Orsdol | 15 | Daughter | New Worker | Oregon |
| 29 | Richard A Van Orsdol | 10 | Son | — | Oregon |
| 30 | Everett J Van Orsdol | 8 | Son | — | Oregon |
| 31 | Claude C Cline | 45 | Head | Switchman | Oregon |
| 32 | Ida J Cline | 39 | Wife | — | Ohio |
| 33 | Arthur Cline | 20 | Son | New Worker | Oregon |
| 34 | Doris Cline | 15 | Daughter | New Worker | Oregon |
| 35 | Donald Cline | 10 | Son | — | Oregon |
| 36 | William H Trust | 51 | Head | Postal Clerk | Texas |
| 37 | Bernice M Trust | 45 | Wife | Music Teacher | Colorado |
| 38 | Robert C Trust | 19 | Son | New Worker | Oregon |
| 39 | Emma Lou Trust | 16 | Daughter | New Worker | Oregon |
Pedigree Summary
Margaret + 1 sibling
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)