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Josephine Davis — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Boulder-County, Colorado
Our Model Tree links this Josephine Davis across the 1920, 1930 and 1940 US Censuses in Boulder-County, Colorado (XGBoost, ~Confirmed) — first a spouse (b.~1870), then head of a 3-person household.
Age 70
b. ~1870
Female
Spouse
Born: Missouri
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Boulder-County, Colorado |
| Surname | Davis |
| Given Name | Josephine |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 70 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | Longmont City |
| 1935 Residence (County) | Boulder |
| Additional Details | |
| Class of Worker | 0 |
| Income (1939) | 0 |
| Highest Grade | H-3 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Township / Ward | Longmont City |
| Est. Birth Year | ~1870 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Josephine | Age | Birth yr |
|---|---|---|---|---|
| George Davis | Head | — | 85 | ~1855 |
| Edgar Davis | Son | — | 42 | ~1898 |
| Josephine Davis | Spouse | — | 70 | ~1870 |
Census Appearances
1920
Boulder, Colorado
Spouse, age 49
Boulder, Colorado · implied b. ~1871 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Josephine |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Missouri |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1930
Boulder, Colorado
Other, age 60
Boulder, Colorado · implied b. ~1870 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Josephine |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 60 |
| Marital Status | Married |
| Birthplace | Missouri |
| Age at First Marriage | 21 |
| Father's Birthplace | United States |
| Mother's Birthplace | United States |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Boulder-County, Colorado
Spouse, age 70
Boulder-County, Colorado · implied b. ~1870 — 3 household members
| Surname | Davis |
| Given Name | Josephine |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 70 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | Longmont City |
| 1935 Residence (County) | Boulder |
| Class of Worker | 0 |
| Income (1939) | 0 |
| Highest Grade | H-3 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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 Josephine Davis across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Josephine Davis
Spouse · 1940 · age 70 · b. ~1870 · Colorado
★ You are viewing this record
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-t0627-00457-00978)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | George A. Davis | 85 | Head | — | Missouri |
| 2 | Josephine Davis THIS PERSON | 70 | Wife | — | Missouri |
| 3 | Edgar O. Davis | 42 | Son | Laborer | Missouri |
| 4 | Winda Akers | 70 | Head | — | Kentucky |
| 5 | Extra Line | None | — | — | — |
| 6 | R. B. Tson | 42 | Head | Laborer | Missouri |
| 7 | Ethel Tson | 33 | Wife | Housekeeper | Missouri |
| 8 | Alice June Tson | 12 | Daughter | — | Colorado |
| 9 | Sarah Jackson | 70 | Head | — | Iowa |
| 10 | Glenn Mathews | 39 | Nephew | Laborer | Colorado |
| 11 | James Bingham | 65 | Head | — | Missouri |
| 12 | Parlee Bingham | 69 | Wife | — | Illinois |
| 13 | Ida Worth | 71 | Head | — | Kansas |
| 14 | Harold Oehler | 27 | Head | Laborer | Colorado |
| 15 | Ruth Oehler | 23 | Wife | — | Colorado |
| 16 | Beverly Oehler | 1 | Daughter | — | Colorado |
| 17 | Charles Oehler | 0 | Son | — | Colorado |
| 18 | Ben Knaus | 64 | Head | Laborer | Nebraska |
| 19 | Florence Golden | 74 | Head | — | Colorado |
| 20 | William Murphy | 57 | Lodger | Farmer | Colorado |
| 21 | Elizabeth S. Coleman | 72 | Head | Proprietor | Illinois |
| 22 | Victor Nelson | 51 | Lodger | Machinist | Colorado |
| 23 | Frank Lonkinson | 56 | Lodger | Welder | Ohio |
| 24 | Cady C. Gay | 31 | Lodger | Machine Operator | Arkansas |
| 25 | Howard Cotter | 29 | Lodger | Laborer | Kansas |
| 26 | Jesse L. Stevens | 50 | Lodger | — | Missouri |
| 27 | Here Ends 400 Block Kimbark (East Side) And Begins 500 Block 6Th Avenue (South Side) | None | — | — | — |
| 28 | Lloyd W. Fisher | 46 | Head | Mechanic | Nebraska |
| 29 | Ruby Fisher | 40 | Wife | Book Keeper | Missouri |
| 30 | Ted R. Adams | 28 | Head | Linoleum Man | Kansas |
| 31 | Irene Adams | 29 | Wife | — | Colorado |
| 32 | William Price | 59 | Father-in-law | Water Superintendent | Colorado |
| 33 | Here Ends 500 Block 6Th Avenue (South Side) And Begins 500 Block Kimbark (West Side) | None | — | — | — |
| 34 | William H. Ingraham | 72 | Head | Electrician | New Jersey |
| 35 | Emma Ingraham | 74 | Wife | — | Michigan |
| 36 | George Schlichter | 65 | Head | Bookkeeper | Kansas |
| 37 | Edith Schlichter | 56 | Wife | — | Ohio |
| 38 | Irene M. Nixon | 47 | Head | Research Stenographer | Illinois |
| 39 | Kathryn Clark | 63 | Head | — | Indiana |
| 40 | Ellen Shaffer | 84 | Mother | — | Indiana |
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)