HW
Harry White — 1940 US Census Record
Model Tree available1940 United States Federal Census · Boulder-County, Colorado
Our Model Tree links this Harry White across the 1920, 1930 and 1940 US Censuses in Boulder-County, Colorado (XGBoost, ~Confirmed), with identified parents Walter — first a head (b.~1905), then head of a 5-person household.
Age 35
b. ~1905
Male
Head
Born: Colorado
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Boulder-County, Colorado |
| Surname | White |
| Given Name | Harry B |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Colorado |
| 1935 Residence (City) | Election Precinct 8 Burlington |
| 1935 Residence (County) | Boulder |
| Additional Details | |
| Occupation | Operator |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Occupation | Operator |
| Township / Ward | Election Precinct 8 Burlington |
| Est. Birth Year | ~1905 |
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 1940 census.
| Name | Relation to head | Relative to Harry | Age | Birth yr |
|---|---|---|---|---|
| Robert White | Daughter | — | 11 | ~1929 |
| Elberta White | Daughter | — | 9 | ~1931 |
| Harry White | Head | — | 35 | ~1905 |
| Arthur White | Son | — | 14 | ~1926 |
| Daisy White | Spouse | — | 35 | ~1905 |
Census Appearances
1920
Boulder, Colorado
Son, age 15
Boulder, Colorado · implied b. ~1905 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | White |
| Given Name | Harry B |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Occupation | Farm Labor |
| Industry | Farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1930
Boulder, Colorado
Head, age 25
Boulder, Colorado · implied b. ~1905 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | White |
| Given Name | Harry B. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Colorado |
| Age at First Marriage | 20 |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Missouri |
| Occupation | Seamstress |
| Industry | Shop |
| Class of Worker | 7749 |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1940
Boulder-County, Colorado
Head, age 35
Boulder-County, Colorado · implied b. ~1905 — 5 household members
| Surname | White |
| Given Name | Harry B |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Colorado |
| 1935 Residence (City) | Election Precinct 8 Burlington |
| 1935 Residence (County) | Boulder |
| Occupation | Operator |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
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 Harry White across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Walter White (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Walter White
b. ~1871
Source father
● Household
· direct · ~0.92
This person
Anchor record
Harry White
Head · 1940 · age 35 · b. ~1905 · Colorado
★ 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 — Boulder-County, Colorado
Open full size
1940 US Federal Census — Boulder-County, Colorado
Page Contents
18 people indexed on this census page (nara:1940:m-t0627-00457-00552)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Esther Johnston | 22 | Wife | — | Colorado |
| 2 | Wayne Johnston | 1 | Son | — | Colorado |
| 3 | William Hall | 45 | Head | Miner | Kentucky |
| 4 | Grace Hall | 40 | Wife | — | Kentucky |
| 5 | Virginia Hall | 22 | Daughter | Clerk | Kentucky |
| 6 | Eugene P Hall | 15 | Son | — | Kentucky |
| 7 | Maurene Hall | 13 | Daughter | — | Kentucky |
| 8 | Betty Sue Hall | 9 | Daughter | — | Kentucky |
| 9 | Harry B White THIS PERSON | 35 | Head | Operator | Colorado |
| 10 | Daisy B White | 35 | Wife | — | Kansas |
| 11 | Arthur D White | 14 | Son | — | Colorado |
| 12 | Robert White | 11 | Daughter | — | Colorado |
| 13 | Elberta M White | 9 | Daughter | — | Colorado |
| 14 | Ray Birdsill | 55 | Head | Operator | Colorado |
| 15 | Florence Birdsill | 54 | Wife | — | Colorado |
| 16 | Nellie Birdsill | 57 | Sister | — | Colorado |
| 17 | Maude Birdsill | 54 | Sister | — | Colorado |
| 18 | Grace Birdsill | 48 | Sister | — | Colorado |
Pedigree Summary
Harry
Gen 1 · 1 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)