EJ
Effie Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Denver-County, Colorado
Our Model Tree links this Effie Johnson across the 1920, 1930 and 1940 US Censuses in Denver-County, Colorado (XGBoost, ~Confirmed) — first a spouse (b.~1874), then head of a 4-person household.
Age 66
b. ~1874
Female
Spouse
Born: Indiana
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Denver-County, Colorado |
| Surname | Johnson |
| Given Name | Effie M |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 66 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Denver |
| 1935 Residence (County) | Denver |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Township / Ward | Denver |
| Est. Birth Year | ~1874 |
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 Effie | Age | Birth yr |
|---|---|---|---|---|
| Effie Johnson | Spouse | — | 66 | ~1874 |
| Herbert Williams | Other | — | 17 | ~1923 |
| Albertine Williams | Daughter | — | 33 | ~1907 |
| Oscar Johnson | Head | — | 71 | ~1869 |
Census Appearances
1920
Denver, Colorado
Spouse, age 46
Denver, Colorado · implied b. ~1874 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Effie M |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Denver, Colorado
Spouse, age 56
Denver, Colorado · implied b. ~1874 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnsons |
| Given Name | Effie M. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Indiana |
| Age at First Marriage | 18 |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Denver-County, Colorado
Spouse, age 66
Denver-County, Colorado · implied b. ~1874 — 4 household members
| Surname | Johnson |
| Given Name | Effie M |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 66 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Denver |
| 1935 Residence (County) | Denver |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 Effie Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Effie Johnson
Spouse · 1940 · age 66 · b. ~1874 · 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 — Denver-County, Colorado
Open full size
1940 US Federal Census — Denver-County, Colorado
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00485-00008)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Katherine Kauder | 36 | Wife | — | Colorado |
| 42 | Eleanor G Condon | 47 | Head | Dressmaker | North Dakota |
| 43 | Donald S Condon | 20 | Son | Window Trimmer | California |
| 44 | Elsie Condon | 15 | Daughter | — | Colorado |
| 45 | George Floch | 44 | Head | Bookkeeper | Illinois |
| 46 | Helen Floch | 39 | Wife | — | New Jersey |
| 47 | George Jr Floch | 5 | Son | — | Colorado |
| 48 | Mary Elizabeth Floch | 3 | Daughter | — | Colorado |
| 49 | John S Kasten | 56 | Head | Accountant | Russia |
| 50 | Mary D Kasten | 55 | Wife | — | Russia |
| 51 | William Kasten | 20 | Son | — | Colorado |
| 52 | Charles Eugene Kasten | 18 | Son | — | Colorado |
| 53 | John P Harrington | 65 | Head | — | Kansas |
| 54 | Elsie M Harrington | 55 | Wife | — | Kansas |
| 55 | Thomas Ryan | 42 | Head | Railroad Engineer | Nebraska |
| 56 | Dorothy Ryan | 30 | Wife | — | Colorado |
| 57 | Margaret A Ryan | 10 | Daughter | — | Colorado |
| 58 | Patricia S Ryan | 6 | Daughter | — | Colorado |
| 59 | Stanley Spikey | 32 | Head | Brakeman | Nebraska |
| 60 | Anna O Spikey | 26 | Wife | — | Missouri |
| 61 | Quist J Spikey | 7 | Son | — | Colorado |
| 62 | Richard Spikey | 5 | Son | — | Colorado |
| 63 | Paul Spikey | 4 | Son | — | Colorado |
| 64 | Ernest M Morrow | 24 | Head | Skilled Labor | Colorado |
| 65 | Nadine Morrow | 26 | Wife | — | Colorado |
| 66 | Henning O Lund | 66 | Head | Meat Cutter | Sweden |
| 67 | Sarah D Lund | 60 | Wife | — | Wisconsin |
| 68 | Edgar Brecher | 41 | Lodger | Shipping Clerk | Missouri |
| 69 | Elizabeth Lasher | 74 | Head | — | New Jersey |
| 70 | Carrie D Akers | 70 | Sister | — | Wisconsin |
| 71 | Elizabeth Johnston | 45 | Lodger | Private Nurse | Delaware |
| 72 | Nellie Curtis | 57 | Lodger | Practical Nurse | Arkansas |
| 73 | Oscar Johnson | 71 | Head | — | Indiana |
| 74 | Effie M Johnson THIS PERSON | 66 | Wife | — | Indiana |
| 75 | Albertine C Williams | 33 | Daughter | Stenographer | Indiana |
| 76 | Herbert Williams | 17 | Grandson | — | Colorado |
| 77 | Joseph Reiger | 62 | Head | — | Germany |
| 78 | Mary A Reiger | 61 | Wife | — | Iowa |
| 79 | Sterling Steen | 22 | Head | Machinist | Kansas |
| 80 | Fern I Steen | 21 | Wife | — | Missouri |
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)