BJ
Blanche Johnson — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Multnomah, Oregon
Our Model Tree links this Blanche Johnson across the 1920 and 1930 US Censuses in Multnomah, Oregon (XGBoost, ~Confirmed) — first a daughter (b.~1911), then head of a 9-person household.
Age 19
b. ~1911
Female
Daughter
Born: Oregon
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Multnomah, Oregon |
| Surname | Johnson |
| Given Name | Blanche |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Oregon |
| Age at First Marriage | 19 |
| Father's Birthplace | Oregon |
| Mother's Birthplace | Texas |
| Additional Details | |
| Occupation | Cashier |
| Industry | Financial Co |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
| Occupation | Cashier |
| Township / Ward | Portland City |
| Est. Birth Year | ~1911 |
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.
9 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Blanche | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Johnson | Daughter | — | 11 | ~1919 |
| Lawrence Johnson | Son | — | 8 | ~1922 |
| Noel Johnson | Son | — | 5 | ~1925 |
| Albert Johnson | Son | — | 17 | ~1913 |
| Mary Johnson | Daughter | — | 13 | ~1917 |
| Blanche Johnson | Daughter | — | 19 | ~1911 |
| Delmar Johnson | Son | — | 10 | ~1920 |
| Walter Johnson | Son | — | 6 | ~1924 |
| Blanche Johnson | Head | — | 42 | ~1888 |
Census Appearances
1920
Multnomah, Oregon
Daughter, age 9
Multnomah, Oregon · implied b. ~1911 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Blanche H. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Oregon |
| Father's Birthplace | Oregon |
| Mother's Birthplace | Texas |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
1930
Multnomah, Oregon
Daughter, age 19
Multnomah, Oregon · implied b. ~1911 — 9 household members
| Surname | Johnson |
| Given Name | Blanche |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Oregon |
| Age at First Marriage | 19 |
| Father's Birthplace | Oregon |
| Mother's Birthplace | Texas |
| Occupation | Cashier |
| Industry | Financial Co |
| Class of Worker | W |
| Can Read/Write | Yes |
| 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 Blanche Johnson across 2 US Census years (1920 and 1930) in Multnomah, Oregon, using XGBoost record linkage.
Show:
This person
Anchor record
Blanche Johnson
Daughter · 1930 · age 19 · b. ~1911 · Oregon
★ You are viewing this record
Sibling
Delmar Johnson
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Johnson
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lawrence Johnson
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Walter Johnson
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Johnson
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Noel Johnson
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Albert Johnson
Sibling · 1930 · 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
1930 US Federal Census — Multnomah, Oregon
Open full size
1930 US Federal Census — Multnomah, Oregon
Page Contents
50 people indexed on this census page (ia:1930:15thcensus1954unit:0850)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Betty Demos | 10 | Daughter | None | Oregon |
| 2 | James Demos | 8 | Son | None | Oregon |
| 3 | Hugo Godshell | 42 | Head | Laborer | Finland |
| 4 | Julia Godshell | 54 | Wife | None | Finland |
| 5 | William Kranhold | 55 | Head | Packer | Wisconsin |
| 6 | Margaret Kranhold | 52 | Wife | None | Scotland |
| 7 | Charles Blomquist | 57 | Head | Tally | Sweden |
| 8 | Rosella A Blomquist | 57 | Wife | Practical Nurse | Missouri |
| 9 | Alfonso Runas | 30 | Head | Boilermaker | Germany |
| 10 | Grace W Runas | 22 | Wife | None | Kansas |
| 11 | Edward A Runas | 2 | Son | None | Oregon |
| 12 | Clancy J Wise | 34 | Head | Inspector | Missouri |
| 13 | Sybil S Wise | 30 | Wife | None | North Carolina |
| 14 | Stanley J Wise | 8 | Son | None | Oregon |
| 15 | William J Wise | 0 | Son | None | Oregon |
| 16 | Sidney L Renevelt | 30 | Head | Asst Manager | Montana |
| 17 | Elizabeth Renevelt | 22 | Wife | None | Massachusetts |
| 18 | Royal E Renevelt | 6 | Son | None | California |
| 19 | George M Berthuson | 24 | Brother-in-law | Stock Clerk | Washington |
| 20 | Victor J Fischler | 68 | Head | Laborer | France |
| 21 | Anna E Fischler | 57 | Wife | None | Sweden |
| 22 | Edward E Fischler | 27 | Son | Truck Driver | Oregon |
| 23 | Victor Fischler | 22 | Son | Plumber | Oregon |
| 24 | Clementine Fischler | 18 | Daughter | Maid | Oregon |
| 25 | Lillie Fischler | 15 | Daughter | None | Oregon |
| 26 | James D Johnson | 45 | Head | Plaster | California |
| 27 | E Winifred Johnson | 30 | Wife | Stenographer | Oregon |
| 28 | J Hayward Johnson | 22 | Son | None | Wisconsin |
| 29 | Malinda A Brooks | 69 | Head | None | Texas |
| 30 | Henry Lauffman | 74 | Head | Laborer | Germany |
| 31 | Mary Lauffman | 73 | Wife | None | Germany |
| 32 | Arthur Beckley | 20 | Grand-son | Machinist | Oregon |
| 33 | James Macdonald | 38 | Head | Laborer | Switzerland |
| 34 | Sally Macdonald | 31 | Wife | None | Washington |
| 35 | Lillian Macdonald | 15 | Daughter | Saleslady | Washington |
| 36 | Eileen Macdonald | 12 | Daughter | None | Oregon |
| 37 | Marjorie Fleming | 4 | Boarder | None | California |
| 38 | Elizabeth Windmiller | 46 | Head | None | Rumania |
| 39 | Nicholas M Windmiller | 20 | Son | Electrician | Montana |
| 40 | Mary E Windmiller | 16 | Daughter | None | Montana |
| 41 | John A Windmiller | 11 | Son | None | Montana |
| 42 | Blanche L Johnson | 42 | Head | None | Texas |
| 43 | Blanche Johnson THIS PERSON | 19 | Daughter | Cashier | Oregon |
| 44 | Albert Johnson | 17 | Son | Shipping Clerk | Oregon |
| 45 | Mary E Johnson | 13 | Daughter | None | Oregon |
| 46 | Dorothy D Johnson | 11 | Daughter | None | Oregon |
| 47 | Delmar Johnson | 10 | Son | None | Oregon |
| 48 | Lawrence Q Johnson | 8 | Son | None | Oregon |
| 49 | Walter J Johnson | 6 | Son | None | Oregon |
| 50 | Noel J Johnson | 5 | Son | None | Oregon |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)