EJ
Effie Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Olmsted-County, Minnesota
Our Model Tree links this Effie Johnson across the 1930 and 1940 US Censuses in Olmsted-County, Minnesota (XGBoost, ~Confirmed) — first a spouse (b.~1885), then head of a 7-person household.
Age 55
b. ~1885
Female
Spouse
Born: Minnesota
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Olmsted-County, Minnesota |
| Surname | Johnson |
| Given Name | Effie M. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | Rochester City |
| 1935 Residence (County) | Olmsted |
| Additional Details | |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Township / Ward | Rochester City |
| Est. Birth Year | ~1885 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Effie | Age | Birth yr |
|---|---|---|---|---|
| Effie Johnson | Spouse | — | 55 | ~1885 |
| Stanley Johnson | Son | — | 18 | ~1922 |
| Allen Johnson | Son | — | 13 | ~1927 |
| Harold Johnson | Son | — | 25 | ~1915 |
| Alice Johnson | Daughter | — | 14 | ~1926 |
| Anton Johnson | Head | — | 60 | ~1880 |
| Dorothy Johnson | Daughter | — | 22 | ~1918 |
Census Appearances
1930
Olmsted, Minnesota
Other, age 45
Olmsted, Minnesota · implied b. ~1885 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Effie M. |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Minnesota |
| Age at First Marriage | 17 |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Olmsted-County, Minnesota
Spouse, age 55
Olmsted-County, Minnesota · implied b. ~1885 — 7 household members
| Surname | Johnson |
| Given Name | Effie M. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | Rochester City |
| 1935 Residence (County) | Olmsted |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
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 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Effie Johnson
Spouse · 1940 · age 55 · b. ~1885 · Minnesota
★ 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 — Olmsted-County, Minnesota
Open full size
1940 US Federal Census — Olmsted-County, Minnesota
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01944-00781)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Helen M. Hanson | 19 | Lodger | Waitress | So Dakota |
| 2 | Edmund F. Mccoy | 39 | Head | Carpenter Helper | Minnesota |
| 3 | Gertrude M. Mccoy | 37 | Wife | — | Minnesota |
| 4 | Ronald E. Mccoy | 9 | Son | — | Minnesota |
| 5 | Gordon J. Mccoy | 8 | Son | — | Minnesota |
| 6 | Ralph W. Mccoy | 6 | Son | — | Minnesota |
| 7 | Harold J. Mccoy | 4 | Son | — | Minnesota |
| 8 | Martha H. Merry | 49 | Head | Chambermaid | Minnesota |
| 9 | Frances D. Merry | 24 | Son | Mail Carrier | So Dakota |
| 10 | Roy W. Vroman | 58 | Head | R.R. Engineer | Minnesota |
| 11 | Lucille P. Vroman | 43 | Wife | — | Minnesota |
| 12 | Helen M. Vroman | 20 | Daughter | — | Minnesota |
| 13 | Dorothy L. Vroman | 19 | Daughter | — | Minnesota |
| 14 | Anton O. Johnson | 60 | Head | Plasterer | Minnesota |
| 15 | Effie M. Johnson THIS PERSON | 55 | Wife | — | Minnesota |
| 16 | Harold F. Johnson | 25 | Son | Plasterer Helper | Minnesota |
| 17 | Dorothy M. Johnson | 22 | Daughter | Housemaid | Minnesota |
| 18 | Stanley B. Johnson | 18 | Son | Musician | Minnesota |
| 19 | Alice M. Johnson | 14 | Daughter | — | Minnesota |
| 20 | Allen W. Johnson | 13 | Son | — | Minnesota |
| 21 | Chris B. Hunt | 76 | Head | Retired | Iowa |
| 22 | Celia Hunt | 65 | Wife | — | Minnesota |
| 23 | Maude Hunt | 47 | Daughter | — | Minnesota |
| 24 | Marie E. Burch | 48 | Lodger | Saleslady | Minnesota |
| 25 | Catherine Campion | 70 | Head | — | Minnesota |
| 26 | Victor D. Green | 50 | Head | Motion Picture Op. | So Dakota |
| 27 | Evelyn M. Green | 40 | Wife | — | Michigan |
| 28 | Lloyd L. Green | 19 | Son | — | Minnesota |
| 29 | Michaela E. Green | 4 | Daughter | — | Minnesota |
| 30 | Leo N. Henick | 44 | Head | Owner & Op | Minnesota |
| 31 | Alta N. Henick | 40 | Wife | — | Minnesota |
| 32 | Virginia E. Henick | 18 | Daughter | Salesclerk | Minnesota |
| 33 | Leo N. Jr. Henick | 17 | Son | Clerk | Minnesota |
| 34 | Robert A. Henick | 15 | Son | — | Minnesota |
| 35 | Donna Louise Henick | 6 | Daughter | — | Minnesota |
| 36 | Alden O. Wheeler | 27 | Head | Repair Man | Wisconsin |
| 37 | Florence C. Wheeler | 24 | Wife | — | Minnesota |
| 38 | Curtis L. Wheeler | 3 | Son | — | Minnesota |
| 39 | Beatrice Ann Wheeler | 0 | Daughter | — | Minnesota |
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)