EJ
Effie Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Box-Elder-County, Utah
Our Model Tree links this Effie Johnson across the 1910, 1920, 1930 and 1940 US Censuses in Box-Elder-County, Utah (XGBoost, ~Confirmed) — first a head (b.~1879), then head of a 8-person household.
Age 61
b. ~1879
Female
Head
Born: Utah
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Box-Elder-County, Utah |
| Surname | Johnson |
| Given Name | Effie |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 61 |
| Marital Status | Widowed |
| Birthplace | Utah |
| 1935 Residence (City) | Fielding Town |
| 1935 Residence (County) | Box Elder |
| Additional Details | |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
| Township / Ward | Fielding Town |
| Est. Birth Year | ~1879 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Effie | Age | Birth yr |
|---|---|---|---|---|
| Bert Deakin | Other | — | 1 | ~1939 |
| Effie Johnson | Head | — | 61 | ~1879 |
| Blair Johnson | Son | — | 20 | ~1920 |
| Nedra Deakin | Daughter | — | 4 | ~1936 |
| Thelma Deakin | Daughter | — | 5 | ~1935 |
| Effie Deakin | Daughter | — | 24 | ~1916 |
| Beth Johnson | Daughter | — | 16 | ~1924 |
| Bert Deakin | Other | — | 26 | ~1914 |
Census Appearances
1910
Box Elder, …
Spouse, age 30
Box Elder, Utah · implied b. ~1880 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Effie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Utah |
| Years Married | 11 |
| Children Born | 6 |
| Children Living | 5 |
| Father's Birthplace | Utah |
| Mother's Birthplace | England |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
1920
Box Elder, …
Spouse, age 40
Box Elder, Utah · implied b. ~1880 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Effie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Utah |
| Father's Birthplace | Vermont |
| Mother's Birthplace | England |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
1930
Box Elder, …
Spouse, age 50
Box Elder, Utah · implied b. ~1880 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Effie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Utah |
| Age at First Marriage | 19 |
| Father's Birthplace | Utah |
| Mother's Birthplace | England |
| Can Read/Write | Yes |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
1940
Box-Elder-County, Utah
Head, age 61
Box-Elder-County, Utah · implied b. ~1879 — 8 household members
| Surname | Johnson |
| Given Name | Effie |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 61 |
| Marital Status | Widowed |
| Birthplace | Utah |
| 1935 Residence (City) | Fielding Town |
| 1935 Residence (County) | Box Elder |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
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 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Effie Johnson
Head · 1940 · age 61 · b. ~1879 · Utah
★ 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 — Box-Elder-County, Utah
Open full size
1940 US Federal Census — Box-Elder-County, Utah
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04209-00454)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ralfafa | Ralfasa Grover | 45 | Head | Farmer | Utah |
| 2 | Violet Grover | 45 | Wife | — | Utah |
| 3 | Eldon Grover | 18 | Son | Farmer | Utah |
| 4 | Verl Grover | 14 | Son | — | Utah |
| 5 | Mavis Grover | 12 | Daughter | — | Utah |
| 6 | Erma Grover | 10 | Daughter | — | Utah |
| 7 | Janice Grover | 8 | Daughter | — | Utah |
| 8 | Ruth Grover | 6 | Daughter | — | Utah |
| 9 | Raymond Grover | 3 | Son | — | Utah |
| 10 | Clifford E. Cannon | 32 | Head | Proprietor | Utah |
| 11 | Ida Cannon | 30 | Wife | — | Utah |
| 12 | Murray E. Cannon | 10 | Son | — | Utah |
| 13 | Beverly Cannon | 4 | Daughter | — | Utah |
| 14 | Gale Cannon | 2 | Daughter | — | Utah |
| 15 | Eugene Cannon | 57 | Head | Janitor | Utah |
| 16 | Corinda Cannon | 54 | Wife | — | Utah |
| 17 | Micah Yarn | 70 | Head | Farmer | Utah |
| 18 | Mary L. Yarn | 65 | Wife | — | Utah |
| 19 | Effie Johnson THIS PERSON | 61 | Head | — | Utah |
| 20 | Blair B. Johnson | 20 | Son | — | Utah |
| 21 | Beth Johnson | 16 | Daughter | — | Utah |
| 22 | Bert Deakin | 26 | Son-in-law | Sheepherder | Utah |
| 23 | Effie Deakin | 24 | Daughter | — | Utah |
| 24 | Thelma Deakin | 5 | Daughter | — | Utah |
| 25 | Nedra Deakin | 4 | Daughter | — | Utah |
| 26 | Bert Deakin | 1 | Grandson | — | Utah |
| 27 | David B. Jones | 48 | Head | Laborer | Utah |
| 28 | Ruby Jones | 44 | Wife | — | Utah |
| 29 | Dale B. Jones | 26 | Son | Laborer | Utah |
| 30 | Duane A. Jones | 23 | Son | Laborer | Utah |
| 31 | John G. A.B. Jones | 21 | Son | Laborer | Utah |
| 32 | Owen Jones | 10 | Son | — | Utah |
| 33 | D. Wayne Jones | 3 | Son | — | Utah |
| 34 | Esta Jones | 3 | Daughter | — | Utah |
| 35 | Alice I. Welling | 80 | Head | — | Utah |
| 36 | Leonard S. Welling | 43 | Son | Farmer | Utah |
| 37 | Allen K. Welling | 36 | Son | — | Utah |
| 38 | Jed L. Earl | 57 | Head | Merchant | Utah |
| 39 | Leander F. Earl | 17 | Son | — | Idaho |
| 40 | Samuel R. Earl | 26 | Son | Merchant Helper | Idaho |
Related Census Records
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)