HB
Harold Baker — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cowlitz-County, Washington
Our Model Tree links this Harold Baker across the 1920, 1930 and 1940 US Censuses in Cowlitz-County, Washington (XGBoost, ~Confirmed), with identified parents Lurman & Truman — first a head (b.~1910), then head of a 3-person household.
Age 30
b. ~1910
Male
Head
Born: Washington
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cowlitz-County, Washington |
| Surname | Baker |
| Given Name | Harold J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Washington |
| 1935 Residence (City) | Precinct 84 Toutle |
| 1935 Residence (County) | Cowlitz |
| Additional Details | |
| Occupation | caterpillar operator |
| Industry | logging |
| Class of Worker | PW |
| Hours Worked | 17 |
| Income (1939) | 1700 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
| Occupation | Caterpillar Operator |
| Township / Ward | Precinct 84 Toutle |
| Est. Birth Year | ~1910 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Harold | Age | Birth yr |
|---|---|---|---|---|
| Frances Baker | Spouse | — | 26 | ~1914 |
| Janet Baker | Daughter | — | 3 | ~1937 |
| Harold Baker | Head | — | 30 | ~1910 |
Census Appearances
1920
Cowlitz, Washington
Son, age 10
Cowlitz, Washington · implied b. ~1910 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Baker |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Washington |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1930
Cowlitz, Washington
Son, age 20
Cowlitz, Washington · implied b. ~1910 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Baker |
| Given Name | Harold J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Washington |
| Can Read/Write | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1940
Cowlitz-County, Washington
Head, age 30
Cowlitz-County, Washington · implied b. ~1910 — 3 household members
| Surname | Baker |
| Given Name | Harold J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Washington |
| 1935 Residence (City) | Precinct 84 Toutle |
| 1935 Residence (County) | Cowlitz |
| Occupation | caterpillar operator |
| Industry | logging |
| Class of Worker | PW |
| Hours Worked | 17 |
| Income (1939) | 1700 |
| 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 Baker across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Lurman Baker (~0.92 confidence) and father Truman Baker (~0.92 confidence) and mother Alice Baker (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Lurman Baker
b. ~1885
Source father
● Household
· direct · ~0.92
Father
Truman Baker
b. ~1885
Source father
● Household
· direct · ~0.92
Mother
Alice Baker
b. ~1893
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harold Baker
Head · 1940 · age 30 · b. ~1910 · Washington
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Cowlitz-County, Washington
Open full size
1940 US Federal Census — Cowlitz-County, Washington
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04337-00163)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ray M. Giddings | 41 | Head | — | Washington |
| 42 | Helen Giddings | 23 | Wife | — | Washington |
| 43 | William Miers | 42 | Head | Camp Foreman | Minnesota |
| 44 | Alice Miers | 36 | Wife | — | Kentucky |
| 45 | Joseph J. Porter | 41 | Head | Bucker | Oregon |
| 46 | Minnie Porter | 34 | Wife | — | North Dakota |
| 47 | Lawrence Porter | 15 | Son | — | Oregon |
| 48 | Devona Porter | 11 | Daughter | — | Minnesota |
| 49 | Marion Porter | 6 | Daughter | — | Oregon |
| 50 | William King | 55 | Head | Crushed Rock Contractor | Wyoming |
| 51 | Julia King | 51 | Wife | — | Illinois |
| 52 | Ernest King | 24 | Son | — | Washington |
| 53 | John Turner | 16 | Step-son | — | Washington |
| 54 | John P. Allen | 43 | Head | Jack Hammer Man | New Mexico |
| 55 | Ola M. Allen | 34 | Wife | — | Oklahoma |
| 56 | Clarence E. Sadler | 31 | Head | Skidder Mechanic | Illinois |
| 57 | Clara Sadler | 29 | Wife | — | New Mexico |
| 58 | Richard Sadler | 8 | Son | — | Washington |
| 59 | Ronald Sadler | 5 | Son | — | Washington |
| 60 | Harold J. Baker THIS PERSON | 30 | Head | Caterpillar Operator | Washington |
| 61 | Frances A. Baker | 26 | Wife | — | Sweden |
| 62 | Janet L. Baker | 3 | Daughter | — | Washington |
| 63 | Sam Umiker | 34 | Head | Track Walker | Washington |
| 64 | Ruth Umiker | 23 | Wife | — | New Mexico |
| 65 | Kathleen Umiker | 4 | Daughter | — | Oregon |
| 66 | George Shanoskey | 46 | Head | Crusher Feeder | New York |
| 67 | Minnie Shanoskey | 59 | Wife | — | Oregon |
| 68 | Donald Baum | 22 | Head | Fern Picker | Washington |
| 69 | Albert E. Mandt | 46 | Head | Carpenter Helper | Missouri |
| 70 | Marguerite Mandt | 36 | Wife | Silk Finisher | Missouri |
| 71 | George Denny | 68 | Head | — | Illinois |
| 72 | Alice Denny | 62 | Wife | — | Oregon |
| 73 | Roy Coalman | 26 | Head | Rigger Man | Oregon |
| 74 | Annetta Coalman | 23 | Wife | — | Oregon |
| 75 | Richard Coalman | 1 | Son | — | Washington |
| 76 | Glen Russell | 23 | Partner | Choker Setter | Vermont |
| 77 | Ray Beck | 40 | Head | Maintenance Man | Washington |
| 78 | Ida Beck | 40 | Wife | — | Michigan |
| 79 | William R. Beck | 18 | Son | — | Washington |
| 80 | William E. Kerle | 22 | Head | Logging | Idaho |
Pedigree Summary
Harold
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 1940 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)