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Harold Nelson — 1920 US Census Record
Model Tree available1920 United States Federal Census · Multnomah, Oregon
Our Model Tree links this Harold Nelson across the 1920, 1930 and 1940 US Censuses in Multnomah, Oregon (XGBoost, ~Confirmed), with identified parents Oscar & Nels — first a son (b.~1917), then head of a 4-person household.
Age 3
b. ~1917
Male
Son
Born: Oregon
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Multnomah, Oregon |
| Surname | Nelson |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Oregon |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Additional Details | |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
| Township / Ward | Portland City |
| Est. Birth Year | ~1917 |
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 1920 census.
| Name | Relation to head | Relative to Harold | Age | Birth yr |
|---|---|---|---|---|
| Ruth Nelson | Daughter | — | 1 | ~1919 |
| Nels Nelson | Head | — | 32 | ~1888 |
| Harold Nelson | Son | — | 3 | ~1917 |
| Hennie Nelson | Spouse | — | 26 | ~1894 |
Census Appearances
1920
Multnomah, Oregon
Son, age 3
Multnomah, Oregon · implied b. ~1917 — 4 household members
| Surname | Nelson |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Oregon |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
1930
Multnomah, Oregon
Son, age 13
Multnomah, Oregon · implied b. ~1917 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Hardy |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Oregon |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
Head, age 24
Multnomah-County, Oregon · implied b. ~1916 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Henry Wallace |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Oregon |
| 1935 Residence (City) | Portland city |
| 1935 Residence (County) | Multnomah |
| Occupation | Driving Delivery Service |
| Industry | Delivery Service |
| Class of Worker | PW |
| Hours Worked | 50 |
| Income (1939) | 432 |
| Highest Grade | Hs 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 Harold Nelson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Oscar Nelson (~0.92 confidence) and father Nels Nelson (~0.92 confidence) and mother Hennie Nelson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Oscar Nelson
b. ~1887
Source father
● Household
· direct · ~0.92
Father
Nels Nelson
b. ~1888
Source father
● Household
· direct · ~0.92
Mother
Hennie Nelson
b. ~1894
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harold Nelson
Son · 1920 · age 3 · b. ~1917 · Oregon
★ You are viewing this record
Sibling
Ruth Nelson
Sibling · 1920 · age 1
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
1920 US Federal Census — Multnomah, Oregon
Open full size
1920 US Federal Census — Multnomah, Oregon
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1503unit:0069)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Bernard Bartel | 45 | Head | Carpenter | Germany |
| 52 | Mary Bartel | 40 | Wife | — | West Prussia |
| 53 | Henry Bartel | 26 | Son | Shipping | Kansas |
| 54 | Reinhard Bartel | 16 | Son | — | Kansas |
| 55 | Samuel H Dickens | 66 | Head | Machinist | Pennsylvania |
| 56 | Cassandra Dickens | 63 | Wife | — | Indiana |
| 57 | Eugene Saxson | 34 | Head | Carpenter | Missouri |
| 58 | Nettie Saxson | 34 | Wife | — | Missouri |
| 59 | Charles Saxson | 12 | Son | Errand Boy | Oregon |
| 60 | Lloyd Saxson | 11 | Son | — | Oregon |
| 61 | Thelma Saxson | 3 | Daughter | — | Oregon |
| 62 | Abram Rautter | 41 | Head | Tailor | Finland |
| 63 | Aina R Rautter | 33 | Wife | — | Finland |
| 64 | Edward R Rautter | 2 | Son | — | Oregon |
| 65 | Arthur Uday | 32 | Head | Logger | Nebraska |
| 66 | Julia Uday | 32 | Wife | — | Norway |
| 67 | Lichenberg | 40 | Head | Tailor | Wisconsin |
| 68 | Frank Lundmark | 40 | Head | Logger | Oregon |
| 69 | Malissa Lundmark | 34 | Wife | — | Iowa |
| 70 | Ruth Lundmark | 12 | Daughter | — | Oregon |
| 71 | Wayne Lundmark | 10 | Son | — | Oregon |
| 72 | Melbourn Lundmark | 5 | Son | — | Oregon |
| 73 | Enid Lundmark | 1 | Daughter | — | Oregon |
| 74 | John E Stirnac | 36 | Head | Laborer | Austria |
| 75 | Mary Stirnac | 30 | Wife | — | Sweden |
| 76 | Ruth M Stirnac | 5 | Daughter | — | Oregon |
| 77 | John A Stirnac | 1 | Son | — | Oregon |
| 78 | Siegfried Tiglow | 29 | Head | Accountant | Minnesota |
| 79 | Helene Tiglow | 24 | Wife | — | Oregon |
| 80 | Herman Graf | 54 | Roomer | Operator | Switzerland |
| 81 | Harry J Sabin | 62 | Head | Carpenter | New York |
| 82 | Cora S Sabin | 58 | Wife | — | New Hampshire |
| 83 | Frank Flemming | 39 | Head | Carpenter | Minnesota |
| 84 | Ruby Flemming | 29 | Wife | — | Missouri |
| 85 | Edna M Flemming | 5 | Daughter | — | Oregon |
| 86 | Ernest Flemming | 1 | Son | — | Oregon |
| 87 | Albert Delaney | 49 | Head | Brakeman | Wisconsin |
| 88 | Mary Delaney | 31 | Wife | — | Canada |
| 89 | Wilfred Delaney | 20 | Son | Switch Tender | Wisconsin |
| 90 | Leland Delaney | 15 | Son | — | Wisconsin |
| 91 | Bertha Delaney | 10 | Daughter | — | Oklahoma |
| 92 | Nels M Nelson | 32 | Head | Woodsman | Sweden |
| 93 | Hennie Nelson | 26 | Wife | — | Sweden |
| 94 | Harold Nelson THIS PERSON | 3 | Son | — | Oregon |
| 95 | Ruth Nelson | 1 | Daughter | — | Oregon |
| 96 | Julius Mackrodt | 34 | Head | — | Denmark |
| 97 | Bridget Mackrodt | 38 | Wife | — | Ireland |
| 98 | Julius Mackrodt | 13 | Son | Druggist | Illinois |
| 99 | Christina Mackrodt | 10 | Daughter | — | Illinois |
| 100 | Thomas Fletcher | 43 | Head | Boiler Maker | England |
Related Census Records
Pedigree Summary
Harold + 1 sibling
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)