MN
Margaret Nelson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Multnomah-County, Oregon
Our Model Tree links this Margaret Nelson across the 1920, 1930 and 1940 US Censuses in Multnomah-County, Oregon (XGBoost, ~Confirmed) — first a head (b.~1879), then head of a 3-person household.
Age 61
b. ~1879
Female
Head
Born: Illinois
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Multnomah-County, Oregon |
| Surname | Nelson |
| Given Name | Margaret E |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 61 |
| Marital Status | Widowed |
| Birthplace | Illinois |
| 1935 Residence (City) | Portland city |
| 1935 Residence (County) | Multnomah |
| Additional Details | |
| Class of Worker | H |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Portland City |
| Est. Birth Year | ~1879 |
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 Margaret | Age | Birth yr |
|---|---|---|---|---|
| Marian Gifford | Daughter | — | 34 | ~1906 |
| Margaret Nelson | Head | — | 61 | ~1879 |
| Fred Gifford | Other | — | 34 | ~1906 |
Census Appearances
1920
Multnomah, Oregon
Spouse, age 41
Multnomah, Oregon · implied b. ~1879 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Margaret E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Illinois |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Multnomah, Oregon
Spouse, age 51
Multnomah, Oregon · implied b. ~1879 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Margaret E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 25 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Multnomah-County, Oregon
Head, age 61
Multnomah-County, Oregon · implied b. ~1879 — 3 household members
| Surname | Nelson |
| Given Name | Margaret E |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 61 |
| Marital Status | Widowed |
| Birthplace | Illinois |
| 1935 Residence (City) | Portland city |
| 1935 Residence (County) | Multnomah |
| Class of Worker | H |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Nelson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Margaret Nelson
Head · 1940 · age 61 · b. ~1879 · 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
22 people indexed on this census page (nara:1940:m-t0627-03386-00363)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Margaret E Nelson THIS PERSON | 61 | Head | — | Illinois |
| 2 | Fred Green Gifford | 34 | Lodger | Rodman | Oregon |
| 3 | Marian Gifford | 34 | Daughter | — | Oregon |
| 4 | Franklin D Dick | 26 | Head | Gas Mgr | Pennsylvania |
| 5 | Marjorie W Dick | 24 | Wife | — | California |
| 6 | Don D Parker | 38 | Head | Advertising Agt | Washington |
| 7 | Lucille G Parker | 35 | Wife | — | Michigan |
| 8 | Kingsley D Parker | 12 | Son | — | Oregon |
| 9 | Herman T Bohlman | 67 | Head | — | Oregon |
| 10 | Maud Bohlman | 58 | Wife | Music Teacher | Illinois |
| 11 | Louis G Fox | 49 | Head | Ticket Clerk | Oregon |
| 12 | Grace D Fox | 44 | Wife | School Teacher | Louisiana |
| 13 | Myrtle Smith | 16 | Ad. daughter | — | Missouri |
| 14 | Harold F Waffle | 31 | Head | Bookkeeper | Oregon |
| 15 | Althea Waffle | 27 | Wife | Clerk | Oregon |
| 16 | Emma F Waffle | 65 | Mother | — | Oregon |
| 17 | Robert J Lewis | 64 | Head | Const. Eng. | California |
| 18 | Nita D Lewis | 55 | Wife | — | Missouri |
| 19 | Theresa S Tivelli | 70 | Head | — | Italy |
| 20 | Sophie Frances Tivelli | 41 | Daughter | Power Machine Op. | Oregon |
| 21 | James D Hodson | 73 | Head | Handy Man | England |
| 22 | Thomas Hodson | 72 | Brother | Engineer | England |
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)