EC
Emma Campbell — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Jefferson-County, Colorado
Our Model Tree links this Emma Campbell across the 1920, 1930 and 1940 US Censuses in Jefferson-County, Colorado (XGBoost, ~Confirmed) — first a spouse (b.~1891), then head of a 4-person household.
Age 49
b. ~1891
Female
Spouse
Born: Colorado
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Colorado |
| Surname | Campbell |
| Given Name | Emma K |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Colorado |
| 1935 Residence (City) | Precinct 36 |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Highest Grade | Hs 2 |
| 1935 Residence | Same House |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Township / Ward | Precinct 36 |
| Est. Birth Year | ~1891 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Emma | Age | Birth yr |
|---|---|---|---|---|
| Lynn Campbell | Son | — | 19 | ~1921 |
| Robert Campbell | Head | — | 49 | ~1891 |
| Cheryl Campbell | Daughter | — | 25 | ~1915 |
| Emma Campbell | Spouse | — | 49 | ~1891 |
Census Appearances
1920
Denver, Colorado
Spouse, age 29
Denver, Colorado · implied b. ~1891 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Emma |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Colorado |
| Father's Birthplace | Germany |
| Mother's Birthplace | Missouri |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | German |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1930
Jefferson, Colorado
Spouse, age 39
Jefferson, Colorado · implied b. ~1891 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Emma K. |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Colorado |
| Age at First Marriage | 20 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Missouri |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1940
Jefferson-County, Colorado
Spouse, age 49
Jefferson-County, Colorado · implied b. ~1891 — 4 household members
| Surname | Campbell |
| Given Name | Emma K |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Colorado |
| 1935 Residence (City) | Precinct 36 |
| 1935 Residence (County) | Jefferson |
| Highest Grade | Hs 2 |
| 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 Emma Campbell across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage.
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This person
Anchor record
Emma Campbell
Spouse · 1940 · age 49 · b. ~1891 · 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 — Jefferson-County, Colorado
Open full size
1940 US Federal Census — Jefferson-County, Colorado
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00465-00949)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Kenneth A Bardelli | 13 | Son | — | Colorado |
| 2 | Robert F Bardelli | 12 | Son | — | Colorado |
| 3 | William D Kichtig | 55 | Head | Salesman | Ohio |
| 4 | Sophie S Kichtig | 51 | Wife | — | Germany |
| 5 | Leah Kichtig | 24 | Daughter | Waitress | Arkansas |
| 6 | Juanita S Craig | 39 | Head | Teacher | Missouri |
| 7 | Deloris Miller | 40 | Lodger | Nurse | Iowa |
| 8 | Dr Stephen C Callay | 35 | Head | Doctor | Hungary |
| 9 | Clara S Callay | 29 | Wife | — | Kansas |
| 10 | Stephen B Callay | 1 | Son | — | Colorado |
| 11 | Robert Orville Campbell | 49 | Head | Machinery Salesman | Missouri |
| 12 | Emma K Campbell THIS PERSON | 49 | Wife | — | Colorado |
| 13 | Cheryl Doris Campbell | 25 | Daughter | Stenographer | Colorado |
| 14 | Lynn Ray Campbell | 19 | Son | Apprentice | Colorado |
| 15 | James Reynolds | 63 | Head | Railroad | Iowa |
| 16 | Ida A Reynolds | 62 | Wife | — | Iowa |
| 17 | Celer Pezoldt | 49 | Head | Electrician | Missouri |
| 18 | Martha Q Pezoldt | 50 | Wife | — | Illinois |
| 19 | Quinton Pezoldt | 21 | Son | Art Stockman | Illinois |
| 20 | Frank D Wilkinson | 67 | Head | — | Missouri |
| 21 | Nettie C Wilkinson | 73 | Wife | — | Ohio |
| 22 | Harley Cecil | 37 | Head | Floor Manager | Nebraska |
| 23 | Sarah S Cecil | 33 | Wife | — | Nebraska |
| 24 | Wilson C Cecil | 9 | Son | — | Denver |
| 25 | Joanne Cecil | 6 | Daughter | — | Denver |
| 26 | J D Reeser | 42 | Head | Construction | Indiana |
| 27 | Laura G Reeser | 33 | Wife | — | Colorado |
| 28 | Wm E Weldon | 33 | Head | Salesman | Canada |
| 29 | Pauline Weldon | 30 | Wife | — | Canada |
| 30 | Franklin J Elliott | 56 | Head | Construction Supt | Kentucky |
| 31 | Hellen B Elliott | 55 | Wife | — | Nebraska |
| 32 | Hellen C Elliott | 16 | Daughter | — | Missouri |
| 33 | Fred Green | 46 | Head | Teacher | Indiana |
| 34 | Pauline S Green | 47 | Wife | — | Indiana |
| 35 | Alice Green | 19 | Daughter | — | Colorado |
| 36 | Jack Green | 18 | Son | — | Colorado |
| 37 | Eugene Alexander | 29 | Lodger | Truck Driver | Colorado |
| 38 | Randolph Pezondak | 25 | Lodger | Laborer | Pennsylvania |
| 39 | Elizabeth S Schmidt | 63 | Head | House Work | Illinois |
| 40 | Morten C Molholm | 40 | Head | Lawyer | 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)