JH
Jack Harris — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Otero-County, Colorado
Our Model Tree links this Jack Harris across the 1930 and 1940 US Censuses in Otero-County, Colorado (XGBoost, ~Confirmed) — first a son (b.~1929), then head of a 9-person household.
Age 11
b. ~1929
Male
Son
Born: Colorado
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Otero-County, Colorado |
| Surname | Harris |
| Given Name | Jack |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Colorado |
| 1935 Residence (City) | Precinct 26 |
| 1935 Residence (County) | Otero |
| Additional Details | |
| Highest Grade | No 5 |
| 1935 Residence | Same House |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Township / Ward | Precinct 26 |
| Est. Birth Year | ~1929 |
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 Jack | Age | Birth yr |
|---|---|---|---|---|
| Alfill Harris | Son | — | 29 | ~1911 |
| Virginia Dawson | Other | — | 20 | ~1920 |
| Ruth Harris | Spouse | — | 48 | ~1892 |
| Dorthy Harris | Daughter | — | 16 | ~1924 |
| Jesse Harris | Head | — | 51 | ~1889 |
| Jack Harris | Son | — | 11 | ~1929 |
| Lorain Harris | Daughter | — | 7 | ~1933 |
| Cliford Harris | Son | — | 20 | ~1920 |
| Bertha Johnson | Other | — | 25 | ~1915 |
Census Appearances
1930
Otero, Colorado
Son, age 1
Otero, Colorado · implied b. ~1929 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harris |
| Given Name | Jack W |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Kansas |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1940
Otero-County, Colorado
Son, age 11
Otero-County, Colorado · implied b. ~1929 — 9 household members
| Surname | Harris |
| Given Name | Jack |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Colorado |
| 1935 Residence (City) | Precinct 26 |
| 1935 Residence (County) | Otero |
| Highest Grade | No 5 |
| 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 Jack Harris across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Jack Harris
Son · 1940 · age 11 · b. ~1929 · Colorado
★ You are viewing this record
Sibling
Alfill Harris
Sibling · 1940 · age 29
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lorain Harris
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Cliford Harris
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorthy Harris
Sibling · 1940 · age 16
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 — Otero-County, Colorado
Open full size
1940 US Federal Census — Otero-County, Colorado
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00473-00644)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Bert Stuart | 49 | Head | Laborer | Kansas |
| 42 | Rebecca Stuart | 52 | Wife | — | Kentucky |
| 43 | Calvin Mason | 19 | Stepson | — | Arkansas |
| 44 | Alma Mason | 17 | Stepdaughter | — | Arkansas |
| 45 | Ernest Mason | 14 | Stepson | — | Arkansas |
| 46 | Helen Mason | 12 | Stepdaughter | — | Arkansas |
| 47 | Herman Mason | 9 | Step Son | — | Arkansas |
| 48 | Edwin Piper | 27 | Head | Farmer | Colorado |
| 49 | Elizabeth Piper | 26 | Wife | — | Colorado |
| 50 | Donald Piper | 5 | Son | — | Colorado |
| 51 | James Piper | 3 | Son | — | Colorado |
| 52 | B. F. Piper | 67 | Father | — | Kansas |
| 53 | J. E. Walter | 48 | Head | Farmer | Kansas |
| 54 | Mamie Walter | 51 | Wife | — | Missouri |
| 55 | Walter Loeffler | 18 | Hired hand | Farm Laborer | Kansas |
| 56 | Lulis E. Honey | 24 | Head | Farmer | Illinois |
| 57 | Margaret Honey | 24 | Wife | — | Colorado |
| 58 | Ronald Honey | 0 | Son | — | Colorado |
| 59 | Jesse Harris | 51 | Head | — | Iowa |
| 60 | Ruth M. Harris | 48 | Wife | — | Kansas |
| 61 | Jack Harris THIS PERSON | 11 | Son | — | Colorado |
| 62 | Lorain Harris | 7 | Daughter | — | Colorado |
| 63 | Dorthy Harris | 16 | Daughter | — | Colorado |
| 64 | Alfill Harris | 29 | Son | Farmer | Colorado |
| 65 | Cliford Harris | 20 | Son | Farmer | Colorado |
| 66 | Bertha Johnson | 25 | Lodger | Teacher | New York |
| 67 | Virginia Dawson | 20 | Lodger | Teacher | Colorado |
| 68 | Elmer Earl | 28 | Head | Farmer | Kansas |
| 69 | Emma Earl | 27 | Wife | — | Colorado |
| 70 | Gary William Earl | 0 | Son | — | Colorado |
| 71 | D. M. Abbott | 38 | Head | Farmer | Illinois |
| 72 | Ella Abbott | 32 | Wife | — | Colorado |
| 73 | Ervin Abbott | 13 | Son | — | California |
| 74 | Barbara Abbott | 11 | Daughter | — | Colorado |
| 75 | Edith Abbott | 8 | Daughter | — | Colorado |
| 76 | Bonnie Abbott | 7 | Daughter | — | Colorado |
| 77 | Raymond Abbott | 6 | Son | — | Colorado |
| 78 | Edward Abbott | 4 | Son | — | Colorado |
| 79 | Leona Abbott | 2 | Daughter | — | Colorado |
| 80 | Dorthy Abbott | 1 | Daughter | — | 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)