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Eugene Harris — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Rio-Grande-County, Colorado
Our Model Tree links this Eugene Harris across the 1930 and 1940 US Censuses in Rio-Grande-County, Colorado (XGBoost, ~Confirmed) — first a son (b.~1924), then head of a 9-person household.
Age 16
b. ~1924
Male
Son
Born: Kansas
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Rio-Grande-County, Colorado |
| Surname | Harris |
| Given Name | Eugene |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | Election Precinct 7 |
| 1935 Residence (County) | Rio Grande |
| Additional Details | |
| Occupation | cutter |
| Class of Worker | PW |
| Hours Worked | 8 |
| Income (1939) | 84 |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
| Occupation | Cutter |
| Township / Ward | Election Precinct 7 |
| Est. Birth Year | ~1924 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Eugene | Age | Birth yr |
|---|---|---|---|---|
| William Harris | Son | — | 13 | ~1927 |
| Edward Harris | Son | — | 8 | ~1932 |
| Helen Harris | Spouse | — | 34 | ~1906 |
| Albert Harris | Son | — | 10 | ~1930 |
| Edward Harris | Head | — | 49 | ~1891 |
| Lucille Harris | Daughter | — | 3 | ~1937 |
| Bertha Harris | Daughter | — | 5 | ~1935 |
| Eugene Harris | Son | — | 16 | ~1924 |
| Walter Harris | Son | — | 11 | ~1929 |
Census Appearances
1930
Rio Grande, …
Son, age 7
Rio Grande, Colorado · implied b. ~1923 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harris |
| Given Name | Eugene |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Texas |
| Mother's Birthplace | Kansas |
| Can Read/Write | No |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1940
Rio-Grande-County, Colorado
Son, age 16
Rio-Grande-County, Colorado · implied b. ~1924 — 9 household members
| Surname | Harris |
| Given Name | Eugene |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | Election Precinct 7 |
| 1935 Residence (County) | Rio Grande |
| Occupation | cutter |
| Class of Worker | PW |
| Hours Worked | 8 |
| Income (1939) | 84 |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
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 Eugene Harris across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Eugene Harris
Son · 1940 · age 16 · b. ~1924 · Colorado
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Sibling
William Harris
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Albert Harris
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Walter Harris
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Harris
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bertha Harris
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lucille Harris
Sibling · 1940 · age 3
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
37 people indexed on this census page (nara:1940:m-t0627-00478-00345)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | George W. Mcconnell | 76 | Head | — | Indiana |
| 2 | Delia Mcconnell | 75 | Wife | — | Illinois |
| 3 | John April | 26 | Head | Operator | Colorado |
| 4 | Marie April | 25 | Wife | — | Kansas |
| 5 | John A. April | 5 | Son | — | Colorado |
| 6 | Ulysses A. Ellwood | 59 | Head | Manager | Kansas |
| 7 | Mabel A. Ellwood | 45 | Wife | — | Kansas |
| 8 | George E. Bowman | 32 | Head | Laborer | Missouri |
| 9 | Lena Bowman | 35 | Wife | — | Indiana |
| 10 | Betty Louise Bowman | 9 | Daughter | — | Kansas |
| 11 | Gilbert Lee Bowman | 7 | Son | — | Kansas |
| 12 | Hazel Maxine Bowman | 5 | Daughter | — | Kansas |
| 13 | Charles E. Mayness | 64 | Head | Auctioneer | Illinois |
| 14 | Rhoda Mayness | 59 | Wife | — | Iowa |
| 15 | Frank Sanchez | 58 | Head | Sheep Herder | Colorado |
| 16 | Felicita Sanchez | 50 | Wife | Cook | Colorado |
| 17 | Cora Sanchez | 18 | Daughter | Housework | Colorado |
| 18 | Meddie Sanchez | 8 | Daughter | — | Colorado |
| 19 | Lena Young | 24 | Daughter | House Work | Colorado |
| 20 | Susan Joan Young | 6 | Daughter | — | Colorado |
| 21 | Edward C. Harris | 49 | Head | Laborer | Texas |
| 22 | Helen C. Harris | 34 | Wife | — | Kansas |
| 23 | Eugene Harris THIS PERSON | 16 | Son | Cutter | Kansas |
| 24 | William Harris | 13 | Son | — | Colorado |
| 25 | Walter Lee Harris | 11 | Son | — | Colorado |
| 26 | Albert Harris | 10 | Son | — | Colorado |
| 27 | Edward Jr. Harris | 8 | Son | — | Colorado |
| 28 | Bertha Harris | 5 | Daughter | — | Colorado |
| 29 | Lucille Harris | 3 | Daughter | — | Colorado |
| 33 | Manuel C. Tenorio | 24 | Head | — | Colorado |
| 34 | Cleo Tenorio | 37 | Wife | Laborer | Colorado |
| 35 | Louis Tenorio | 11 | Grandson | — | Colorado |
| 36 | Esther Maestas | 36 | Head | — | Colorado |
| 37 | Esther Maestas | 18 | Daughter | — | Colorado |
| 38 | Josie Maestas | 16 | Daughter | — | Colorado |
| 39 | Eddie Maestas | 14 | Son | — | Colorado |
| 40 | Doris Maestas | 8 | Daughter | — | Colorado |
Related Census Records
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)