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Thomas Thompson — 1920 US Census Record
Model Tree available1920 United States Federal Census · Cowlitz, Washington
Our Model Tree links this Thomas Thompson across the 1920, 1930 and 1940 US Censuses in Cowlitz, Washington (XGBoost, ~Confirmed), with identified parents Mary & Harry — first a son (b.~1877), then head of a 6-person household.
Age 43
b. ~1877
Male
Son
Born: Finland
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Cowlitz, Washington |
| Surname | Thompson |
| Given Name | Thomas L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 43 |
| Marital Status | Single |
| Birthplace | Finland |
| Year of Immigration | 1890 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Finland |
| Mother's Birthplace | Finland |
| Additional Details | |
| Occupation | Farmer |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Finnish |
| Birth Country | Finland |
| Birthplace (normalized) | finland |
| Occupation | Farmer |
| Township / Ward | Township 6 South Kalama Prect |
| Est. Birth Year | ~1877 |
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.
6 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Thomas | Age | Birth yr |
|---|---|---|---|---|
| Anna Thompson | Daughter | — | 32 | ~1888 |
| Nellie Thompson | Daughter | — | 27 | ~1893 |
| Harry Thompson | Head | — | 62 | ~1858 |
| Alex Thompson | Son | — | 36 | ~1884 |
| Thomas Thompson | Son | — | 43 | ~1877 |
| Mary Thompson | Spouse | — | 72 | ~1848 |
Census Appearances
1920
Cowlitz, Washington
Son, age 43
Cowlitz, Washington · implied b. ~1877 — 6 household members
| Surname | Thompson |
| Given Name | Thomas L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 43 |
| Marital Status | Single |
| Birthplace | Finland |
| Year of Immigration | 1890 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Finland |
| Mother's Birthplace | Finland |
| Occupation | Farmer |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Finnish |
| Birth Country | Finland |
| Birthplace (normalized) | finland |
1930
Cowlitz, Washington
Son, age 52
Cowlitz, Washington · implied b. ~1878 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Tom A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 52 |
| Marital Status | Single |
| Birthplace | Finland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1890 |
| Father's Birthplace | Finland |
| Mother's Birthplace | Finland |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | O |
| Can Read/Write | Yes |
| Mother Tongue | Finnish |
| Veteran | No |
| Birth Country | Finland |
| Birthplace (normalized) | finland |
1940
Cowlitz-County, Washington
Head, age 62
Cowlitz-County, Washington · implied b. ~1878 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Tom A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 62 |
| Marital Status | Single |
| Birthplace | Finland |
| 1935 Residence (City) | Cloverdale |
| 1935 Residence (County) | Cowlitz |
| Naturalization Status | Naturalized |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | No 1 |
| 1935 Residence | Same House |
| Birth Country | Finland |
| Birthplace (normalized) | finland |
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 Thomas Thompson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Mary Thompson (~0.92 confidence) and father Harry Thompson (~0.92 confidence) and father J Johnson (~0.50 confidence) and mother Anna Johnson (~0.50 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.71
Mother
Mary Thompson
b. ~1848
Source mother
● Household
· direct · ~0.92
Father
Harry Thompson
b. ~1858
Source father
● Household
· direct · ~0.92
Father
J Johnson
b. ~1884
Source father
● Household
· direct · ~0.5
Mother
Anna Johnson
b. ~1889
Source mother
● Household
· direct · ~0.5
This person
Anchor record
Thomas Thompson
Son · 1920 · age 43 · b. ~1877 · Washington
★ You are viewing this record
Sibling
Nellie Thompson
Sibling · 1920 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alex Thompson
Sibling · 1920 · age 36
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Thompson
Sibling · 1920 · age 32
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 — Cowlitz, Washington
Open full size
1920 US Federal Census — Cowlitz, Washington
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1920unit:0918)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Otto Lindsten | 57 | Head | Farmer | Finland |
| 52 | Johanna Lindsten | 53 | Wife | — | Finland |
| 53 | William Lindsten | 21 | Son | Garage | Washington |
| 54 | Basil B. Boyer | 65 | Head | Farmer | Iowa |
| 55 | Mary E. Boyer | 57 | Wife | — | Michigan |
| 56 | Basil Jr. Boyer | 23 | Son | Farmer | Washington |
| 57 | Ali Pakkala | 29 | Head | Farmer | Finland |
| 58 | Lydia Pakkala | 31 | Wife | — | Finland |
| 59 | Fannie Pakkala | 8 | Daughter | — | Utah |
| 60 | Jennie Pakkala | 7 | Daughter | — | Utah |
| 61 | Joseph Pedraita | 45 | Head | Farmer | Switzerland |
| 62 | Ellen Pedraita | 33 | Wife | — | Sweden |
| 63 | Joseph Jr. Pedraita | 15 | Son | — | Montana |
| 64 | Lilly Pedraita | 14 | Daughter | — | Montana |
| 65 | Emma Pedraita | 12 | Daughter | — | Montana |
| 66 | Rudolph Pedraita | 11 | Son | — | Montana |
| 67 | Edna Pedraita | 9 | Daughter | — | Montana |
| 68 | Easter Pedraita | 5 | Daughter | — | Montana |
| 69 | Rema Pedraita | 2 | Daughter | — | Montana |
| 70 | Andrew Piila | 62 | Head | Farmer | Finland |
| 71 | Aina Piila | 49 | Wife | — | Finland |
| 72 | Edward Piila | 24 | Son | Farmer | Washington |
| 73 | Lempi Piila | 21 | Daughter | Stenographer | Oregon |
| 74 | William Piila | 14 | Son | — | Oregon |
| 75 | Arne Piila | 11 | Son | — | Oregon |
| 76 | Carl Gallion | 23 | Son in Law | Shoe Maker | Ohio |
| 77 | Eva Gallion | 17 | Daughter | — | Oregon |
| 78 | Charles Slotten | 61 | Head | Farmer | Germany |
| 79 | Elena Slotten | 53 | Wife | — | Norway |
| 80 | Samuelon Ole Slotten | 43 | Brother in Law | Ship Yard | Norway |
| 81 | John E. Johnson | 36 | Head | Farmer | Sweden |
| 82 | Nelson Ellen Johnson | 31 | Housekeeper | Housekeeper | Sweden |
| 83 | Raymond Johnson | 5 | Son | — | Oregon |
| 84 | Ruth Johnson | 4 | Daughter | — | Oregon |
| 85 | Harry Thompson | 62 | Head | Farmer | Finland |
| 86 | Mary Thompson | 72 | Wife | — | Finland |
| 87 | Thomas L. Thompson THIS PERSON | 43 | Son | Farmer | Finland |
| 88 | Alex Thompson | 36 | Son | Farmer | Finland |
| 89 | Anna Thompson | 32 | Daughter | Farmer | Finland |
| 90 | Nellie Thompson | 27 | Daughter | Housekeeper | Washington |
| 91 | Edward Hakkine | 38 | Head | Farmer | Finland |
| 92 | Edla Hakkine | 32 | Wife | — | Finland |
| 93 | Anni E. Hakkine | 2 | Son | — | Montana |
| 94 | Alex Anttila | 42 | Head | Farmer | Finland |
| 95 | Alma Anttila | 34 | Wife | — | Finland |
| 96 | Olaf Anttila | 13 | Son | — | Montana |
| 97 | Agnes Anttila | 14 | Daughter | — | Montana |
| 98 | Ida Anttila | 11 | Daughter | — | Finland |
| 99 | Edith Anttila | 7 | Daughter | — | Montana |
| 100 | Ben Sauvola | 38 | Head | Farmer | Finland |
Pedigree Summary
Thomas + 3 siblings
Gen 1 · 4 parents
~0.71
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)