HT
Harold Thompson — 1930 US Census Record
Model Tree available1930 United States Federal Census · Umatilla, Oregon
Our Model Tree links this Harold Thompson across the 1920, 1930 and 1940 US Censuses in Umatilla, Oregon (XGBoost, ~Confirmed), with identified parents Bertha & Mason — first a son (b.~1913), then head of a 5-person household.
Age 17
b. ~1913
Male
Son
Born: Washington
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Umatilla, Oregon |
| Surname | Thompson |
| Given Name | Harold A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Nebraska |
| Mother's Birthplace | Oregon |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
| Township / Ward | Pendleton City |
| Est. Birth Year | ~1913 |
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.
5 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Harold | Age | Birth yr |
|---|---|---|---|---|
| Carolyn Thompson | Daughter | — | 19 | ~1911 |
| Jean Thompson | Daughter | — | 7 | ~1923 |
| Mason Thompson | Head | — | 42 | ~1888 |
| Harold Thompson | Son | — | 17 | ~1913 |
| Bertha Thompson | Spouse | — | 42 | ~1888 |
Census Appearances
1920
Umatilla, Oregon
Son, age 7
Umatilla, Oregon · implied b. ~1913 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Nebraska |
| Mother's Birthplace | Oregon |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1930
Umatilla, Oregon
Son, age 17
Umatilla, Oregon · implied b. ~1913 — 5 household members
| Surname | Thompson |
| Given Name | Harold A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Nebraska |
| Mother's Birthplace | Oregon |
| Can Read/Write | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1940
Umatilla-County, Oregon
Head, age 27
Umatilla-County, Oregon · implied b. ~1913 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | H. W. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Washington |
| 1935 Residence (City) | Hermiston City |
| 1935 Residence (County) | Umatilla |
| Occupation | Pharmacist |
| Industry | Retail Drug |
| Class of Worker | E |
| Hours Worked | 84 |
| Income (1939) | 70 |
| Highest Grade | H 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 Thompson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Bertha Thompson (~0.92 confidence) and father Mason Thompson (~0.92 confidence) and father Nestor Thompson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Bertha Thompson
b. ~1888
Source mother
● Household
· direct · ~0.92
Father
Mason Thompson
b. ~1888
Source father
● Household
· direct · ~0.92
Father
Nestor Thompson
b. ~1888
Source father
● Household
· direct · ~0.92
This person
Anchor record
Harold Thompson
Son · 1930 · age 17 · b. ~1913 · Oregon
★ You are viewing this record
Sibling
Carolyn Thompson
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jean Thompson
Sibling · 1930 · age 7
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 — Umatilla, Oregon
Open full size
1930 US Federal Census — Umatilla, Oregon
Page Contents
50 people indexed on this census page (ia:1930:15thcensus1956unit:0326)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Everett King | 39 | Head | Auto Dealer | Oregon |
| 2 | Flossie King | 35 | Wife | — | Oregon |
| 3 | Eugene King | 17 | Son | — | Oregon |
| 4 | Harold King | 8 | Son | — | Oregon |
| 5 | Leonard King | 6 | Son | — | Oregon |
| 6 | Ross Kennedy | 33 | Head | Bookkeeper | Oregon |
| 7 | Agnes Kennedy | 32 | Wife | — | Oregon |
| 8 | Ray Kennedy | 9 | Son | — | Oregon |
| 9 | Eugene Clark | 32 | Head | Switchman | Oregon |
| 10 | Thelma Clark | 30 | Wife | — | Oregon |
| 11 | Evelyn Clark | 6 | Daughter | — | Oregon |
| 12 | Harold R. Brock | 34 | Head | Merchant | Oregon |
| 13 | Helen Brock | 34 | Wife | — | Maine |
| 14 | Mary Esther Brock | 2 | Daughter | — | Oregon |
| 15 | Hugh S. Boyd | 38 | Head | Worker | Washington |
| 16 | Grace Boyd | 37 | Wife | — | Maine |
| 17 | Arvin Boyd | 11 | Son | — | Washington |
| 18 | Donald Boyd | 9 | Son | — | Washington |
| 19 | Alex Mckenzie | 72 | Head | — | Scotland |
| 20 | Clara Mckenzie | 64 | Wife | — | Germany |
| 21 | John Lee | 42 | Head | Operator | Wisconsin |
| 22 | Virginia Lee | 9 | Daughter | — | Oregon |
| 23 | Albertina Hoeffs | 76 | Mother in law | — | Germany |
| 24 | Burl Stilwell | 25 | Head | Salesman | Oregon |
| 25 | Gwendolyn Stilwell | 25 | Wife | Teacher | Washington |
| 26 | Theora Stilwell | 4 | Daughter | — | Oregon |
| 27 | Stanley S. Sayres | 32 | Head | Auto Dealer | Washington |
| 28 | Madalin Sayres | 30 | Wife | — | Nebraska |
| 29 | Sharon Sayres | 2 | Daughter | — | Oregon |
| 30 | Howard Cunningham | 36 | Head | Ditcher | Montana |
| 31 | Elizabeth Cunningham | 34 | Wife | — | Canada French |
| 32 | Margaret Cunningham | 9 | Daughter | — | Washington |
| 33 | Patricia Cunningham | 7 | Daughter | — | Oregon |
| 34 | Charles Peterson | 57 | Head | Contractor | Sweden |
| 35 | Inson Alma Peterson | 53 | Sister | — | Sweden |
| 36 | Norman Peterson | 13 | Nephew | — | Iowa |
| 37 | Mason Thompson | 42 | Head | Merchant | Nebraska |
| 38 | Bertha Thompson | 42 | Wife | — | Oregon |
| 39 | Carolyn A. Thompson | 19 | Daughter | — | Washington |
| 40 | Harold A. Thompson THIS PERSON | 17 | Son | — | Washington |
| 41 | Jean Thompson | 7 | Daughter | — | Oregon |
| 42 | Harry Baldwin | 36 | Head | Salesman | Pennsylvania |
| 43 | Muriel Baldwin | 35 | Wife | — | Washington |
| 44 | Kyle Baldwin | 6 | Son | — | Washington |
| 45 | Truman L. Rogers | 37 | Head | Mechanic | Washington |
| 46 | Jessie M. Rogers | 33 | Wife | Stenographer | Minnesota |
| 47 | Robert Rogers | 9 | Son | — | Oregon |
| 48 | Fred Falconer | 50 | Head | Farmer | Iowa |
| 49 | Josephine Falconer | 45 | Wife | — | Oregon |
| 50 | Fred Jr. Falconer | 11 | Son | — | Washington |
Pedigree Summary
Harold + 2 siblings
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 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)