CH
Charles Hart — 1940 US Census Record
Model Tree available1940 United States Federal Census · Rio-Grande-County, Colorado
Our Model Tree links this Charles Hart across the 1920, 1930 and 1940 US Censuses in Rio-Grande-County, Colorado (XGBoost, ~Confirmed), with identified parents Ralph & Bernadine — first a son (b.~1918), then head of a 7-person household.
Age 22
b. ~1918
Male
Son
Born: Colorado
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Rio-Grande-County, Colorado |
| Surname | Hart |
| Given Name | Charles Cecil |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Colorado |
| 1935 Residence (City) | Precinct 7 |
| 1935 Residence (County) | Rio Grande |
| Additional Details | |
| Occupation | laborer |
| Industry | farm |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 342 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Occupation | Laborer |
| Township / Ward | Precinct 7 |
| Est. Birth Year | ~1918 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Charles | Age | Birth yr |
|---|---|---|---|---|
| Eva Hart | Daughter | — | 5 | ~1935 |
| Mary Hart | Daughter | — | 15 | ~1925 |
| Ralph Hart | Head | — | 45 | ~1895 |
| Bonnie Hart | Daughter | — | 11 | ~1929 |
| Charles Hart | Son | — | 22 | ~1918 |
| Clarence Hart | Son | — | 17 | ~1923 |
| Bernadina Hart | Spouse | — | 42 | ~1898 |
Census Appearances
1920
Rio Grande, …
Son, age 1
Rio Grande, Colorado · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hart |
| Given Name | Charles |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Nebraska |
| Mother's Birthplace | Kansas |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1930
Rio Grande, …
Son, age 12
Rio Grande, Colorado · implied b. ~1918 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hart |
| Given Name | Charles Cecil |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Nebraska |
| Mother's Birthplace | Kansas |
| Can Read/Write | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1940
Rio-Grande-County, Colorado
Son, age 22
Rio-Grande-County, Colorado · implied b. ~1918 — 7 household members
| Surname | Hart |
| Given Name | Charles Cecil |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Colorado |
| 1935 Residence (City) | Precinct 7 |
| 1935 Residence (County) | Rio Grande |
| Occupation | laborer |
| Industry | farm |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 342 |
| Highest Grade | Hs 4 |
| 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 Charles Hart across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Ralph Hart (~0.92 confidence) and mother Bernadine Hart (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Ralph Hart
b. ~1895
Source father
● Household
· direct · ~0.92
Mother
Bernadine Hart
b. ~1896
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Charles Hart
Son · 1940 · age 22 · b. ~1918 · Colorado
★ You are viewing this record
Sibling
Clarence Hart
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bonnie Hart
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Hart
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eva Hart
Sibling · 1940 · age 5
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 — Rio-Grande-County, Colorado
Open full size
1940 US Federal Census — Rio-Grande-County, Colorado
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00478-00355)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Howard Hart | 36 | head | Operator | Nebraska |
| 2 | Dorothy O. Hart | 34 | wife | — | Kansas |
| 3 | Mildred Hart | 15 | daughter | — | Colorado |
| 4 | Lavern Hart | 10 | son | — | Colorado |
| 5 | Ronald Hart | 8 | son | — | Colorado |
| 6 | Jean Carl Hart | 4 | son | — | Colorado |
| 7 | Loyal Hart | 1 | son | — | Colorado |
| 8 | Jake Martinez | 27 | head | Laborer | Colorado |
| 9 | Antonia Martinez | 19 | wife | — | Colorado |
| 10 | Rita Martinez | 2 | daughter | — | Colorado |
| 11 | Fred E. Martinez | 29 | head | Laborer | Colorado |
| 12 | Cordelia Martinez | 24 | wife | — | Colorado |
| 13 | Joseph C. Long | 57 | head | Operator | Missouri |
| 14 | Agnes M. Long | 49 | wife | — | Minnesota |
| 15 | Ernest Long | 18 | son | — | Oklahoma |
| 16 | Bertha Mae Long | 17 | daughter | — | Colorado |
| 17 | Robert Pinkerton | 24 | head | Share Cropper | Nebraska |
| 18 | Ann Pinkerton | 26 | wife | — | Oklahoma |
| 19 | Leland Pinkerton | 3 | son | — | Colorado |
| 20 | Gordon Kerr | 36 | head | Operator | Kansas |
| 21 | Helena Kerr | 32 | wife | — | Kansas |
| 22 | John Kerr | 5 | son | — | Colorado |
| 23 | James R. Kerr | 4 | son | — | Colorado |
| 24 | Frances Kerr | 2 | daughter | — | Colorado |
| 25 | Ralph Hart | 45 | head | Operator | Nebraska |
| 26 | Bernadina Hart | 42 | wife | — | Kansas |
| 27 | Charles Cecil Hart THIS PERSON | 22 | son | Laborer | Colorado |
| 28 | Clarence E. Hart | 17 | son | — | Colorado |
| 29 | Mary E. Hart | 15 | daughter | — | Colorado |
| 30 | Bonnie Jean Hart | 11 | daughter | — | Colorado |
| 31 | Eva Jo Hart | 5 | daughter | — | Colorado |
| 32 | John Ross | 26 | head | Laborer | Colorado |
| 33 | Laura Ross | 26 | wife | — | Texas |
| 34 | Clarence Long | 21 | head | Share Cropper | Oklahoma |
| 35 | Marguerite Long | 21 | wife | — | Colorado |
| 36 | Luke L. Hart | 72 | head | Laborer | Pennsylvania |
| 37 | Isa Hart | 61 | wife | — | New York |
| 38 | Walter Paulson | 35 | head | Operator Manager | Illinois |
| 39 | Elizabeth Paulson | 37 | wife | — | Colorado |
| 40 | Mary K. Paulson | 4 | daughter | — | Colorado |
Pedigree Summary
Charles + 4 siblings
Gen 1 · 2 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)