JT
Julia Thompson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Prowers-County, Colorado
Our Model Tree links this Julia Thompson across the 1930 and 1940 US Censuses in Prowers-County, Colorado (XGBoost, ~Confirmed) — first a daughter (b.~1924), then head of a 9-person household.
Age 16
b. ~1924
Female
Daughter
Born: Colorado
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Prowers-County, Colorado |
| Surname | Thompson |
| Given Name | Julia |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Colorado |
| 1935 Residence (City) | Precinct 12 Wolf |
| 1935 Residence (County) | Prowers |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | H 1 |
| 1935 Residence | Same place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Township / Ward | Precinct 12 Wolf |
| 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 Julia | Age | Birth yr |
|---|---|---|---|---|
| Mary Thompson | Daughter | — | 10 | ~1930 |
| Bill Thompson | Son | — | 14 | ~1926 |
| Jimmie Thompson | Son | — | 8 | ~1932 |
| Anna Thompson | Daughter | — | 2 | ~1938 |
| Aura Thompson | Spouse | — | 42 | ~1898 |
| Aura Thompson | Daughter | — | 19 | ~1921 |
| Julia Thompson | Daughter | — | 16 | ~1924 |
| Henry Thompson | Head | — | 45 | ~1895 |
| Lula Thompson | Daughter | — | 3 | ~1937 |
Census Appearances
1930
Prowers, Colorado
Daughter, age 6
Prowers, Colorado · implied b. ~1924 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Julia |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Kansas |
| Can Read/Write | Yes |
| Home Owned/Rented | No |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1940
Prowers-County, Colorado
Daughter, age 16
Prowers-County, Colorado · implied b. ~1924 — 9 household members
| Surname | Thompson |
| Given Name | Julia |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Colorado |
| 1935 Residence (City) | Precinct 12 Wolf |
| 1935 Residence (County) | Prowers |
| Income (1939) | 0 |
| Highest Grade | H 1 |
| 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 Julia Thompson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Julia Thompson
Daughter · 1940 · age 16 · b. ~1924 · Colorado
★ You are viewing this record
Sibling
Mary Thompson
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jimmie Thompson
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lula Thompson
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Aura Thompson
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bill Thompson
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Thompson
Sibling · 1940 · age 2
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 — Prowers-County, Colorado
Open full size
1940 US Federal Census — Prowers-County, Colorado
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00474-00386)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | James Holdren | 53 | Head | Farmer | Kansas |
| 2 | Emma Holdren | 45 | Wife | — | Iowa |
| 3 | Earl Holdren | 24 | Son | Farmer | Colorado |
| 4 | Harry A. Holdren | 22 | Son | Salesman | Colorado |
| 5 | Jack Holdren | 19 | Son | Farmer | Colorado |
| 6 | Lee Holdren | 13 | Son | — | Colorado |
| 7 | Wallace Crabill | 46 | Head | Farmer | Colorado |
| 8 | Jennie Crabill | 67 | Mother | — | Denmark |
| 9 | Ethel Crabill | 48 | Sister | Teacher | Kansas |
| 10 | William Barry | 55 | Head | Farmer | Indiana |
| 11 | Bessie Barry | 53 | Wife | — | Kansas |
| 12 | Thelma Plummer | 31 | Daughter | — | Kansas |
| 13 | Vernon Plummer | 11 | Grand Son | — | Kansas |
| 14 | Pris Delay | 53 | Head | Farmer | Nebraska |
| 15 | Charley Delay | 17 | Nephew | — | Kansas |
| 16 | Sis Smoot | 53 | Head | Farmer | Missouri |
| 17 | Paul Smoot | 59 | Brother | Farmer | Missouri |
| 18 | Paul Davis | 59 | Head | Farmer | Pennsylvania |
| 19 | Nora Davis | 54 | Wife | — | Missouri |
| 20 | Everett Davis | 21 | Son | Farm Laborer | Kansas |
| 21 | Myrall Davis | 22 | Son | Farm Laborer | Iowa |
| 22 | Elaine Davis | 19 | Daughter | — | Kansas |
| 23 | Patricia Davis | 16 | Daughter | — | Kansas |
| 24 | Alferd Swaim | 71 | Head | Farmer | Wisconsin |
| 25 | Linnie Swaim | 71 | Wife | — | Wisconsin |
| 26 | Lee Swaim | 47 | Son | Farmer | Kansas |
| 27 | Henry B. Thompson | 45 | Head | Farmer | Kansas |
| 28 | Aura B. Thompson | 42 | Wife | — | Kansas |
| 29 | Aura Bell Thompson | 19 | Daughter | — | Kansas |
| 30 | Julia Thompson THIS PERSON | 16 | Daughter | — | Colorado |
| 31 | Bill Thompson | 14 | Son | — | Colorado |
| 32 | Mary Dell Thompson | 10 | Daughter | — | Colorado |
| 33 | Jimmie Thompson | 8 | Son | — | Colorado |
| 34 | Lula Thompson | 3 | Daughter | — | Colorado |
| 35 | Anna Thompson | 2 | Daughter | — | Colorado |
| 36 | Albert Borg | 52 | Head | Farmer | Kansas |
| 37 | Zephyra Borg | 52 | Wife | — | Indiana |
| 38 | Christine Borg | 3 | Daughter | — | Colorado |
| 39 | Annis Williams | 20 | Boarder | Teacher | Oklahoma |
| 40 | Ralph Tuttle | 41 | Head | Farmer | Oklahoma |
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)