TJ
Thomas Johnston — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Douglas, Colorado
Our Model Tree links this Thomas Johnston across the 1930 and 1940 US Censuses in Douglas, Colorado (XGBoost, ~Confirmed) — first a son (b.~1928), then head of a 10-person household.
Age 2
b. ~1928
Male
Son
Born: Colorado
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Douglas, Colorado |
| Surname | Johnston |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Colorado |
| Mother's Birthplace | Colorado |
| Additional Details | |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Township / Ward | Precinct 6 Greenland |
| Est. Birth Year | ~1928 |
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.
10 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Thomas | Age | Birth yr |
|---|---|---|---|---|
| Ruby Allis | Daughter | — | 16 | ~1914 |
| Wilbur Johnston | Son | — | 8 | ~1922 |
| Marshall Allis | Other | — | 57 | ~1873 |
| Marjorie Johnston | Daughter | — | 4 | ~1926 |
| Emma Johnston | Other | — | 30 | ~1900 |
| Fred Allis | Son | — | 23 | ~1907 |
| Alfred Allis | Son | — | 19 | ~1911 |
| Ruth Allis | Daughter | — | 16 | ~1914 |
| Ross Johnston | Head | — | 37 | ~1893 |
| Thomas Johnston | Son | — | 2 | ~1928 |
Census Appearances
1930
Douglas, Colorado
Son, age 2
Douglas, Colorado · implied b. ~1928 — 10 household members
| Surname | Johnston |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Colorado |
| Mother's Birthplace | Colorado |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1940
Douglas-County, Colorado
Son, age 12
Douglas-County, Colorado · implied b. ~1928 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnston |
| Given Name | Tommy |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Colorado |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Douglas |
| Highest Grade | No 6 |
| 1935 Residence | Colorado |
| 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 Thomas Johnston across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Thomas Johnston
Son · 1930 · age 2 · b. ~1928 · Colorado
★ You are viewing this record
Sibling
Ruby Allis
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marjorie Johnston
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Wilbur Johnston
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Allis
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Fred Allis
Sibling · 1930 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alfred Allis
Sibling · 1930 · age 19
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
1930 US Federal Census — Douglas, Colorado
Open full size
1930 US Federal Census — Douglas, Colorado
Page Contents
50 people indexed on this census page (ia:1930:15thcensus232unit:0425)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Joe Lozane | 78 | Head | Farmer | Missouri |
| 2 | Ada Lozane | 52 | Wife-H | — | Colorado |
| 3 | Beatrice Lozane | 19 | Daughter | — | Colorado |
| 4 | Thomas Johnson | 27 | Head | Farmer | Colorado |
| 5 | Mary Johnson | 29 | Wife-H | — | Iowa |
| 6 | James D. Harding | 25 | Lodger | Laborer | Michigan |
| 7 | Mary Harding | 22 | Wife-H | — | Ohio |
| 8 | Lee Warren | 28 | Head | Farmer | Oklahoma |
| 9 | Mable Warren | 24 | Wife-H | — | Kansas |
| 10 | Patsy Warren | 5 | Son | — | Colorado |
| 11 | Dwayne Warren | 2 | Son | — | Colorado |
| 12 | Lucy Elliott | 24 | Boarder | Teaching | Oklahoma |
| 13 | Albert Furgon | 33 | Head | Farmer | Missouri |
| 14 | Francis Furgon | 32 | Wife-H | — | Missouri |
| 15 | Jimmie Furgon | 8 | Son | — | Colorado |
| 16 | Albert Jr. Furgon | 5 | Son | — | Colorado |
| 17 | Wilbert Wright | 13 | Nephew | — | Missouri |
| 18 | John Miller | 54 | Head | Laborer | Russia |
| 19 | Christina Miller | 47 | Wife-H | — | Russia |
| 20 | John Miller | 11 | Son | — | Colorado |
| 21 | Ruby Williams | 7 | Boarder | — | Colorado |
| 22 | J. D. Nelson | 65 | Head | Wood Worker | Iowa |
| 23 | Sarah Nelson | 63 | Wife-H | — | Iowa |
| 24 | Elizabeth E. Nelson | 5 | Granddaughter | — | Colorado |
| 25 | James S. Nelson | 3 | Grandson | — | Colorado |
| 26 | Eugene Nelson | 2 | Grandson | — | Colorado |
| 27 | Leona S. Nelson | 1 | Granddaughter | — | Colorado |
| 28 | William A. Allis | 27 | Head | Laborer | Colorado |
| 29 | Sond Allis | 30 | Wife-H | — | Colorado |
| 30 | Maxine Allis | 8 | Step-Daughter | — | Colorado |
| 31 | Georgia Anna Allis | 7 | Step-Daughter | — | Colorado |
| 32 | Anna Barrett | 21 | Boarder | Teacher | Colorado |
| 33 | Ross Johnston | 37 | Head | Farmer | Colorado |
| 34 | Emma Johnston | 30 | Wife-H | — | Colorado |
| 35 | Wilbur Johnston | 8 | Son | — | Colorado |
| 36 | Marjorie Johnston | 4 | Daughter | — | Colorado |
| 37 | Thomas Johnston THIS PERSON | 2 | Son | — | Colorado |
| 38 | Marshall Allis | 57 | H | Farmer | New York |
| 39 | Fred Allis | 23 | Son | Laborer | Colorado |
| 40 | Alfred Allis | 19 | Son | Laborer | Colorado |
| 41 | Ruth Allis | 16 | Daughter | — | Colorado |
| 42 | Ruby Allis | 16 | Daughter | — | Colorado |
| 43 | Fred Noe | 44 | Head | Rancher | Colorado |
| 44 | Katie Noe | 43 | Wife-H | — | Iowa |
| 45 | Frank Noe | 20 | Son | Laborer | Colorado |
| 46 | Charles Noe | 18 | Son | — | Colorado |
| 47 | Campbell Noe | 15 | Son | — | Colorado |
| 48 | Marjorie Noe | 12 | Daughter | — | Colorado |
| 49 | Willis Noe | 9 | Son | — | Colorado |
| 50 | Isaac J. Noe | 7 | Son | — | Colorado |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)