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Charlie Hall — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Boulder-County, Colorado
Our Model Tree links this Charlie Hall across the 1930 and 1940 US Censuses in Boulder-County, Colorado (XGBoost, ~Confirmed) — first a son (b.~1919), then head of a 12-person household.
Age 21
b. ~1919
Male
Son
Born: Colorado
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Boulder-County, Colorado |
| Surname | Hall |
| Given Name | Charlie |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Colorado |
| 1935 Residence (City) | Election Precinct No 6 Canfield |
| 1935 Residence (County) | Boulder |
| Additional Details | |
| Occupation | laborer |
| Industry | ditch work |
| Class of Worker | PW |
| Hours Worked | 2 |
| Income (1939) | 988 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Occupation | Laborer |
| Township / Ward | Election Precinct No 6 Canfield |
| Est. Birth Year | ~1919 |
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.
12 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Charlie | Age | Birth yr |
|---|---|---|---|---|
| Clara Hall | Daughter | — | 5 | ~1935 |
| Tommy Hunter | Other | — | 13 | ~1927 |
| Walter Hunter | Other | — | 37 | ~1903 |
| Margaret Hall | Daughter | — | 9 | ~1931 |
| Delila Hall | Daughter | — | 11 | ~1929 |
| Alfred Hall | Son | — | 28 | ~1912 |
| Doris Hall | Daughter | — | 7 | ~1933 |
| Hilla Hunter | Other | — | 23 | ~1917 |
| Charlie Hall | Son | — | 21 | ~1919 |
| Mark Hall | Head | — | 51 | ~1889 |
| Walter Hunter | Other | — | 11 | ~1929 |
| Zella Hall | Spouse | — | 35 | ~1905 |
Census Appearances
1930
Boulder, Colorado
Son, age 12
Boulder, Colorado · implied b. ~1918 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hall |
| Given Name | Charlie |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Arkansas |
| Mother's Birthplace | Oklahoma |
| Can Read/Write | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1940
Boulder-County, Colorado
Son, age 21
Boulder-County, Colorado · implied b. ~1919 — 12 household members
| Surname | Hall |
| Given Name | Charlie |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Colorado |
| 1935 Residence (City) | Election Precinct No 6 Canfield |
| 1935 Residence (County) | Boulder |
| Occupation | laborer |
| Industry | ditch work |
| Class of Worker | PW |
| Hours Worked | 2 |
| Income (1939) | 988 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| 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 Charlie Hall across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Charlie Hall
Son · 1940 · age 21 · b. ~1919 · Colorado
★ You are viewing this record
Sibling
Clara Hall
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Hall
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Delila Hall
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Doris Hall
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alfred Hall
Sibling · 1940 · age 28
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
1940 US Federal Census — Boulder-County, Colorado
Open full size
1940 US Federal Census — Boulder-County, Colorado
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00457-00086)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | David B. Joslin | 5 | Son | — | Colorado |
| 42 | Henry Wasilkow | 63 | Head | Farmer | Russia |
| 43 | Mary Wasilkow | 61 | Wife | — | Russia |
| 44 | Dan Mares | 35 | Head | Farm Laborer | New Mexico |
| 45 | Anna Mares | 33 | Wife | — | Colorado |
| 46 | Mildred Mares | 15 | Daughter | — | Colorado |
| 47 | Isabel Mares | 13 | Daughter | — | Montana |
| 48 | Eusebio Mares | 11 | Son | — | Colorado |
| 49 | Julia Mares | 9 | Daughter | — | Colorado |
| 50 | Dorothy Mares | 7 | Daughter | — | Colorado |
| 51 | Albert Mares | 4 | Son | — | Colorado |
| 52 | Floyd Mares | 1 | Son | — | Colorado |
| 53 | Belisario Lopez | 80 | Uncle | — | New Mexico |
| 54 | Clarence Bixler | 51 | Head | Feeder | Kansas |
| 55 | Elsie Bixler | 49 | Wife | — | Utah |
| 56 | Howard Bixler | 28 | Son | Farmer | Utah |
| 57 | Arthur R. Lody | 69 | Head | Farmer | Iowa |
| 58 | Minnie Lody | 62 | Wife | — | Colorado |
| 59 | Frank Tanaka | 52 | Head | Farmer | Japan |
| 60 | George Tanaka | 20 | Son | Truck Driver | Colorado |
| 61 | Tom Tanaka | 18 | Son | Farm Laborer | Colorado |
| 62 | King Tanaka | 16 | Son | Farm Laborer | Colorado |
| 63 | Sam Tanaka | 15 | Son | — | Colorado |
| 64 | Mary Tanaka | 13 | Daughter | — | Colorado |
| 65 | Ruth Tanaka | 11 | Daughter | — | Colorado |
| 66 | Rocky Tanaka | 8 | Son | — | Colorado |
| 67 | Dickey Tanaka | 7 | Son | — | Colorado |
| 68 | Bobby Tanaka | 5 | Son | — | Colorado |
| 69 | Mark D. Hall | 51 | Head | Truck Driver | Arkansas |
| 70 | Zella Hall | 35 | Wife | — | Okla |
| 71 | Alfred Hall | 28 | Son | Laborer | Okla |
| 72 | Charlie Hall THIS PERSON | 21 | Son | Laborer | Colorado |
| 73 | Delila Hall | 11 | Daughter | — | Colorado |
| 74 | Margaret Hall | 9 | Daughter | — | Colorado |
| 75 | Doris Hall | 7 | Daughter | — | Colorado |
| 76 | Clara Hall | 5 | Daughter | — | Colorado |
| 77 | Walter Hunter | 37 | Brother-in-law | Farmer | Idaho |
| 78 | Hilla Hunter | 23 | Sister | — | Colorado |
| 79 | Tommy Hunter | 13 | Nephew | — | Colorado |
| 80 | Walter Hunter | 11 | Nephew | — | Colorado |
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)