HN
Harold Nelson — 1920 US Census Record
Model Tree available1920 United States Federal Census · King, Washington
Our Model Tree links this Harold Nelson across the 1920, 1930 and 1940 US Censuses in King, Washington (XGBoost, ~Confirmed), with identified parents Nels & Niels — first a son (b.~1914), then head of a 7-person household.
Age 6
b. ~1914
Male
Son
Born: Washington
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | King, Washington |
| Surname | Nelson |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Additional Details | |
| Speaks English | Yes |
| Mother Tongue | German |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
| Township / Ward | Seattle |
| Est. Birth Year | ~1914 |
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.
7 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Harold | Age | Birth yr |
|---|---|---|---|---|
| Nels Nelson | Head | — | 45 | ~1875 |
| Andrew Nelson | Other | — | 45 | ~1875 |
| Julius Dahl | Other | — | 60 | ~1860 |
| Clarence Nelson | Son | — | 8 | ~1912 |
| Vernon Nelson | Son | — | 5 | ~1915 |
| Harold Nelson | Son | — | 6 | ~1914 |
| Eleanor Nelson | Spouse | — | 38 | ~1882 |
Census Appearances
1920
King, Washington
Son, age 6
King, Washington · implied b. ~1914 — 7 household members
| Surname | Nelson |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Speaks English | Yes |
| Mother Tongue | German |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1930
King, Washington
Son, age 16
King, Washington · implied b. ~1914 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nielsen |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1940
King-County, Washington
Head, age 27
King-County, Washington · implied b. ~1913 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nielsen |
| Given Name | Harold |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Washington |
| 1935 Residence (City) | Seattle, City |
| 1935 Residence (County) | King |
| Occupation | automobile mechanic |
| Industry | Automobile Dealer |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1420 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
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 Nels Nelson (~0.92 confidence) and father Niels Nielsen (~0.92 confidence) and mother Eleanor Nelson (~0.92 confidence) and mother Eleonore Nielsen (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Nels Nelson
b. ~1875
Source father
● Household
· direct · ~0.92
Father
Niels Nielsen
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Eleanor Nelson
b. ~1882
Source mother
● Household
· direct · ~0.92
Mother
Eleonore Nielsen
b. ~1890
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harold Nelson
Son · 1920 · age 6 · b. ~1914 · Washington
★ You are viewing this record
Sibling
Vernon Nelson
Sibling · 1920 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clarence Nelson
Sibling · 1920 · age 8
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 — King, Washington
Open full size
1920 US Federal Census — King, Washington
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1926unit:1159)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Morton M. Moreton | 66 | Head | Farmer | Michigan |
| 52 | May R. Moreton | 42 | Daughter | Teacher | California |
| 53 | Henry B. Lay | 25 | Son-in-law | Teacher | Iowa |
| 54 | Althea M. Lay | 26 | Daughter | — | Washington |
| 55 | Dennis J. Lay | 25 | Brother | — | Washington |
| 56 | Dewey E. Lay | 24 | Brother | Truck Driver | Washington |
| 57 | Olof Lagerstedt | 48 | Head | Baker | Sweden |
| 58 | Hanna Lagerstedt | 45 | Wife | — | Sweden |
| 59 | Svea Lagerstedt | 18 | Daughter | Operator | Sweden |
| 60 | Nels Lagerstedt | 17 | Son | Apprentice | Sweden |
| 61 | Svea Lagerstedt | 15 | Daughter | — | Sweden |
| 62 | Holger Lagerstedt | 12 | Son | — | Sweden |
| 63 | Andrew Lagerstedt | 10 | Son | — | Sweden |
| 64 | Harry Lagerstedt | 9 | Son | — | Washington |
| 65 | Edith Lagerstedt | 8 | Daughter | — | Washington |
| 66 | Walter Lagerstedt | 5 | Son | — | Washington |
| 67 | Nels M. Nelson | 45 | Head | Sexton | Denmark |
| 68 | Eleanor Nelson | 38 | Wife | — | Denmark |
| 69 | Clarence Nelson | 8 | Son | — | Washington |
| 70 | Harold Nelson THIS PERSON | 6 | Son | — | Washington |
| 71 | Vernon Nelson | 5 | Son | — | Washington |
| 72 | Andrew Nelson | 45 | Brother | Laborer | Denmark |
| 73 | Julius Dahl | 60 | Boarder | Laborer | Denmark |
| 74 | Charles T. Tallman | 33 | Head | Civil Engineer | Oregon |
| 75 | Elsie Tallman | 31 | Wife | — | England |
| 76 | George T. Tallman | 9 | Son | — | Washington |
| 77 | Phyllis J. Tallman | 4 | Daughter | — | Washington |
| 78 | Arthur S. Sims | 46 | Head | Clerk | Pennsylvania |
| 79 | Marion L. Sims | 38 | Wife | — | Colorado |
| 80 | Walter L. Sims | 13 | Son | — | Washington |
| 81 | Francis Sims | 12 | Daughter | — | Washington |
| 82 | Marion Sims | 8 | Daughter | — | Washington |
| 83 | Elton B. Smith | 25 | Head | Ship Builder | Washington |
| 84 | Charlotte L. Smith | 27 | Wife | — | Illinois |
| 85 | Frances L. Smith | 2 | Daughter | — | Washington |
| 86 | Herbert D. Smith | 1 | Son | — | Idaho |
| 87 | Conrad J. Nelson | 24 | Head | Auto Mechanic | Sweden |
| 88 | Mitta L. Nelson | 27 | Wife | — | Wisconsin |
| 89 | Francis B. Nelson | 2 | Son | — | Canada |
| 90 | Frances Count | 20 | Head | Teacher | Wisconsin |
| 91 | Joseph L. Barrett | 30 | Head | Salesman | Illinois |
| 92 | Alice M. Barrett | 30 | Wife | — | Sweden |
| 93 | Doris Barrett | 6 | Daughter | — | Washington |
| 94 | Norman Barrett | 4 | Son | — | Washington |
| 95 | Richard Barrett | 1 | Son | — | Washington |
| 96 | Francis B. Davis | 32 | Head | Motorman | Nebraska |
| 97 | Mae E. Davis | 33 | Wife | — | Iowa |
| 98 | Zula A. Davis | 9 | Daughter | — | Wyoming |
| 99 | Gelsa B. Davis | 7 | Daughter | — | Montana |
| 100 | Ruben D. Hice | 53 | Head | Attorney | Minnesota |
Related Census Records
Pedigree Summary
Harold + 2 siblings
Gen 1 · 4 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)