FJ
Francis Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Dubuque-County, Iowa
Our Model Tree links this Francis Johnson across the 1930 and 1940 US Censuses in Dubuque-County, Iowa (XGBoost, ~Confirmed) — first a son (b.~1927), then head of a 12-person household.
Age 13
b. ~1927
Male
Son
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Dubuque-County, Iowa |
| Surname | Johnson |
| Given Name | Francis |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Prairie Creek Twp |
| 1935 Residence (County) | Dubuque |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Prairie Creek Twp |
| Est. Birth Year | ~1927 |
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.
12 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Francis | Age | Birth yr |
|---|---|---|---|---|
| Elenor Johnson | Daughter | — | 10 | ~1930 |
| Catherine Johnson | Daughter | — | 5 | ~1935 |
| Loretta Johnson | Daughter | — | 19 | ~1921 |
| Lucille Johnson | Daughter | — | 7 | ~1933 |
| Geraldine Johnson | Daughter | — | 2 | ~1938 |
| Rita Johnson | Daughter | — | 12 | ~1928 |
| Henry Johnson | Head | — | 48 | ~1892 |
| Henry Johnson | Son | — | 15 | ~1925 |
| Ralph Johnson | Son | — | ~1940 | |
| Francis Johnson | Son | — | 13 | ~1927 |
| Raymond Johnson | Son | — | 17 | ~1923 |
| Margaret Johnson | Spouse | — | 44 | ~1896 |
Census Appearances
1930
Dubuque, Iowa
Son, age 3
Dubuque, Iowa · implied b. ~1927 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Francis |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Dubuque-County, Iowa
Son, age 13
Dubuque-County, Iowa · implied b. ~1927 — 12 household members
| Surname | Johnson |
| Given Name | Francis |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Prairie Creek Twp |
| 1935 Residence (County) | Dubuque |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 Francis Johnson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Francis Johnson
Son · 1940 · age 13 · b. ~1927 · Iowa
★ You are viewing this record
Sibling
Rita Johnson
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Geraldine Johnson
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Johnson
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Raymond Johnson
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Henry Johnson
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elenor Johnson
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Loretta Johnson
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lucille Johnson
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ralph Johnson
Sibling · 1940 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Dubuque-County, Iowa
Open full size
1940 US Federal Census — Dubuque-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01159-00622)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Doris Reeher | 2 | Daughter | — | Iowa |
| 42 | Leo Moriarity | 31 | Hired hand | Farm Laborer | Iowa |
| 43 | Leon Driscoll | 35 | Head | Farmer | Iowa |
| 44 | Bertha Driscoll | 31 | Wife | — | Iowa |
| 45 | Dale Driscoll | 1 | Son | — | Iowa |
| 46 | Michael Puetz | 35 | Hired hand | Farm Laborer | Iowa |
| 47 | Anna Meloy | 63 | Head | — | Iowa |
| 48 | Elmer Meloy | 37 | Son | Farmer | Iowa |
| 49 | Edmund Meloy | 34 | Son | — | Iowa |
| 50 | Gus Meloy | 28 | Son | Garage Mechanic | Iowa |
| 51 | Cecil Meloy | 21 | Son | Farm Laborer | Iowa |
| 52 | Clara Meloy | 27 | Daughter | Rural Teacher | Iowa |
| 53 | Ilene Meloy | 23 | Daughter | — | Iowa |
| 54 | Henry Johnson | 48 | Head | Farmer | Illinois |
| 55 | Margaret Johnson | 44 | Wife | — | Iowa |
| 56 | Loretta Johnson | 19 | Daughter | — | Iowa |
| 57 | Raymond Johnson | 17 | Son | Farm Laborer | Iowa |
| 58 | Henry Jr. Johnson | 15 | Son | Farm Laborer | Iowa |
| 59 | Francis Johnson THIS PERSON | 13 | Son | — | Iowa |
| 60 | Rita Johnson | 12 | Daughter | — | Iowa |
| 61 | Elenor Johnson | 10 | Daughter | — | Iowa |
| 62 | Lucille Johnson | 7 | Daughter | — | Iowa |
| 63 | Catherine Johnson | 5 | Daughter | — | Iowa |
| 64 | Geraldine Johnson | 2 | Daughter | — | Iowa |
| 65 | Ralph Johnson | 0 | Son | — | Iowa |
| 66 | Elmer Polfer | 26 | Head | Tavern Operator | Iowa |
| 67 | Stella Polfer | 26 | Wife | — | Iowa |
| 68 | John Connelly | 74 | Head | Farmer | Iowa |
| 69 | Anna Connelly | 55 | Wife | — | Iowa |
| 70 | Anna Connelly | 22 | Daughter | Rural Teacher | Iowa |
| 71 | John Paul Connelly | 20 | Son | Farm Laborer | Iowa |
| 72 | Maurice Connelly | 18 | Son | Farm Laborer | Iowa |
| 73 | Frank Pefab | 42 | Head | Farmer | Iowa |
| 74 | Dora Pefab | 39 | Wife | — | Iowa |
| 75 | Helen Pefab | 18 | Daughter | — | Iowa |
| 76 | Walter Pefab | 13 | Son | — | Iowa |
| 77 | James Pefab | 3 | Son | — | Iowa |
| 78 | Stanley Logsdon | 22 | Hired hand | Farm Laborer | S. Dakota |
| 79 | Walter Meloy | 59 | Head | Farmer | Iowa |
| 80 | Elizabeth Meloy | 62 | Wife | — | Iowa |
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)