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Helen Nelson — 1930 US Census Record
Model Tree available1930 United States Federal Census · King, Washington
Our Model Tree links this Helen Nelson across the 1910, 1920 and 1930 US Censuses in King, Washington (XGBoost, ~Confirmed), with identified parents Nels & Maren — first a daughter (b.~1900), then head of a 4-person household.
Age 30
b. ~1900
Female
Daughter
Born: Wisconsin
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | King, Washington |
| Surname | Nelson |
| Given Name | Helen B |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Denmark |
| Mother's Birthplace | New Jersey |
| Additional Details | |
| Occupation | Bookkeeper |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
| Occupation | Bookkeeper |
| Township / Ward | Bussen Precinct |
| Est. Birth Year | ~1900 |
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 1930 census.
| Name | Relation to head | Relative to Helen | Age | Birth yr |
|---|---|---|---|---|
| Helen Nelson | Daughter | — | 30 | ~1900 |
| Christopher Nelson | Head | — | 61 | ~1869 |
| Merrill Nelson | Son | — | 25 | ~1905 |
| Anna Nelson | Spouse | — | 59 | ~1871 |
Census Appearances
1910
King, Washington
Daughter, age 10
King, Washington · implied b. ~1900 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Helen B. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Denmark |
| Mother's Birthplace | New Jersey |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1920
King, Washington
Daughter, age 20
King, Washington · implied b. ~1900 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Helen B |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Denmark |
| Mother's Birthplace | New Jersey |
| Occupation | Bookkeeper |
| Industry | Office |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1930
King, Washington
Daughter, age 30
King, Washington · implied b. ~1900 — 4 household members
| Surname | Nelson |
| Given Name | Helen B |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Denmark |
| Mother's Birthplace | New Jersey |
| Occupation | Bookkeeper |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
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 Helen Nelson across 3 US Census years (1910, 1920 and 1930) in King, Washington, using XGBoost record linkage. Identified parents: father Nels Nelson (~0.84 confidence) and mother Maren Nelson (~0.84 confidence) and father Christian Nelson (~0.92 confidence) and father Christopher Nelson (~0.92 confidence) and mother Anna Nelson (~0.92 confidence) and mother Annie Nelson (~0.92 confidence) and mother Mary Nelson (~0.46 confidence). The pedigree spans 2 generations with 7 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.83
Father
Nels Nelson
b. ~1850
Source father>father
● Household
· direct · ~0.84
Mother
Maren Nelson
b. ~1851
Source father>mother
● Household
· direct · ~0.84
Father
Christian Nelson
b. ~1866
Source father
● Household
· direct · ~0.92
Father
Christopher Nelson
b. ~1869
Source father
● Household
· direct · ~0.92
Mother
Anna Nelson
b. ~1871
Source mother
● Household
· direct · ~0.92
Mother
Annie Nelson
b. ~1879
Source mother
● Household
· direct · ~0.92
Mother
Mary Nelson
b. ~1890
Source father>mother
● Household
· direct · ~0.46
This person
Anchor record
Helen Nelson
Daughter · 1930 · age 30 · b. ~1900 · Washington
★ You are viewing this record
Sibling
Merrill Nelson
Sibling · 1930 · age 25
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 — King, Washington
Open full size
1930 US Federal Census — King, Washington
Page Contents
12 people indexed on this census page (ia:1930:15thcensus2489unitrs:0950)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | David R Olson | 41 | Head | Mechanic | North Dakota |
| 2 | Thea Olson | 41 | Wife | Dressmaker | North Dakota |
| 3 | Rosemond L Olson | 20 | Daughter | Clerk | North Dakota |
| 4 | John R Threet | 27 | Head | Machinist | Oklahoma |
| 5 | Beatrice E Threet | 24 | Wife | Clerk | Washington |
| 8 | Barry P Hall | 22 | Head | Cabinet Maker | Mississippi |
| 9 | Anna A Hall | 22 | Wife | — | Washington |
| 10 | Lewis P Hall | 0 | Son | — | Washington |
| 11 | Christopher Nelson | 61 | Head | — | Denmark |
| 12 | Anna Nelson | 59 | Wife | — | New Jersey |
| 13 | Helen B Nelson THIS PERSON | 30 | Daughter | Bookkeeper | Wisconsin |
| 14 | Merrill E Nelson | 25 | Son | Machinist | Wisconsin |
Pedigree Summary
Helen + 1 sibling
Gen 1 · 4 parents
~0.92
Gen 2 · 3 grandparents
~0.71
Max depth 4 (1900–1950 window)
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)