JT
Jane Thompson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Boulder-County, Colorado
Our Model Tree links this Jane Thompson across the 1930 and 1940 US Censuses in Boulder-County, Colorado (XGBoost, ~Confirmed) — first a spouse (b.~1901), then head of a 5-person household.
Age 39
b. ~1901
Female
Spouse
Born: Colorado
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Boulder-County, Colorado |
| Surname | Thompson |
| Given Name | Jane P. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Colorado |
| 1935 Residence (City) | Boulder city |
| 1935 Residence (County) | Boulder |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | C 4 |
| 1935 Residence | Same place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Township / Ward | Boulder City |
| Est. Birth Year | ~1901 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Jane | Age | Birth yr |
|---|---|---|---|---|
| Thomas Thompson | Son | — | 12 | ~1928 |
| Warren Thompson | Head | — | 41 | ~1899 |
| Robert Thompson | Son | — | 5 | ~1935 |
| Peter Thompson | Son | — | 13 | ~1927 |
| Jane Thompson | Spouse | — | 39 | ~1901 |
Census Appearances
1930
Boulder, Colorado
Other, age 29
Boulder, Colorado · implied b. ~1901 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Jane |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Colorado |
| Age at First Marriage | 23 |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read/Write | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1940
Boulder-County, Colorado
Spouse, age 39
Boulder-County, Colorado · implied b. ~1901 — 5 household members
| Surname | Thompson |
| Given Name | Jane P. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Colorado |
| 1935 Residence (City) | Boulder city |
| 1935 Residence (County) | Boulder |
| Class of Worker | 0 |
| Highest Grade | C 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 Jane Thompson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Jane Thompson
Spouse · 1940 · age 39 · b. ~1901 · Colorado
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Boulder-County, Colorado
Open full size
1940 US Federal Census — Boulder-County, Colorado
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00457-00809)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Herbert Kelso | 49 | Head | Jeweler | Nebraska |
| 2 | Inez S. Kelso | 45 | Wife | — | Nebraska |
| 3 | Jane Kelso | 19 | Daughter | — | Colorado |
| 4 | Marietta Kelso | 17 | Daughter | — | Colorado |
| 5 | Warren O. Thompson | 41 | Head | Teacher | California |
| 6 | Jane P. Thompson THIS PERSON | 39 | Wife | — | Colorado |
| 7 | Peter M. Thompson | 13 | Son | — | Colorado |
| 8 | Thomas L. Thompson | 12 | Son | — | Colorado |
| 9 | Robert W. Thompson | 5 | Son | — | California |
| 10 | Don Anderson | 35 | Head | Proprietor | Kansas |
| 11 | Ruth Anderson | 44 | Sister | — | Kansas |
| 12 | Beth Anderson | 39 | Sister | Stenographer | Kansas |
| 13 | Dorothy Anderson | 37 | Sister | Teacher | Colorado |
| 14 | Russell S. Cade | 42 | Head | Meter Reader | Kansas |
| 15 | Opal T. Cade | 41 | Wife | — | Kansas |
| 16 | La Fauna Mcdonough | 20 | Daughter | — | Kansas |
| 17 | Brenda Lou Mcdonough | 0 | Granddaughter | — | Colorado |
| 18 | William A. Roach | 56 | Head | V. Pres. & Gen. Mgr. | Pennsylvania |
| 19 | Violet Helen Roach | 54 | Wife | — | Pennsylvania |
| 20 | Frank C. Potts | 37 | Head | Coach - Football | Oklahoma |
| 21 | Hazel L. Potts | 33 | Wife | — | Oklahoma |
| 22 | Frances Louise Potts | 10 | Daughter | — | Colorado |
| 23 | David Gordon Potts | 6 | Son | — | Colorado |
| 24 | Donna Valerie Potts | 4 | Daughter | — | Colorado |
| 25 | Jennie E. Dickson | 65 | Head | — | Iowa |
| 26 | Ray C. Dickson | 49 | Son | Wpa Assistant | Iowa |
| 27 | Velma Dickson | 40 | Daughter | — | Iowa |
| 28 | Russell F. Thomas | 29 | Head | Pipe Fitter'S Helper | Missouri |
| 29 | Elizabeth Thomas | 23 | Wife | — | South Dakota |
| 30 | Gerald Thomas | 4 | Son | — | South Dakota |
| 31 | Dale Thomas | 2 | Son | — | Colorado |
| 32 | Augusta Johnson | 49 | Head | House Worker | Germany |
| 33 | Louise A. Johnson | 17 | Daughter | — | Colorado |
| 34 | Ellen L. Johnson | 16 | Daughter | — | Colorado |
| 35 | Elizabeth Johnson | 15 | Daughter | — | Colorado |
| 36 | Irma S. Young | 60 | Head | — | Pennsylvania |
| 37 | Grosley Claire G. Young | 23 | Niece | Welfare Worker | Pennsylvania |
| 38 | Edna L. Johnson | 53 | Lodger | Teacher | Illinois |
| 39 | Frederick Bramhall | 59 | Head | Teacher | New York |
| 40 | Frances May Bramhall | 49 | Wife | — | 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)