EJ
Eva Johnson — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Boone, Iowa
Our Model Tree links this Eva Johnson across the 1920 and 1930 US Censuses in Boone, Iowa (XGBoost, ~Confirmed) — first a daughter (b.~1919), then head of a 8-person household.
Age 11
b. ~1919
Female
Daughter
Born: Iowa
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Boone, Iowa |
| Surname | Johnson |
| Given Name | Eva |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Iowa |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Boone City |
| Est. Birth Year | ~1919 |
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 1930 census.
| Name | Relation to head | Relative to Eva | Age | Birth yr |
|---|---|---|---|---|
| Virginia Johnson | Daughter | — | 6 | ~1924 |
| Arlene Johnson | Daughter | — | 7 | ~1923 |
| Hattie Johnson | Daughter | — | 14 | ~1916 |
| Betty Johnson | Daughter | — | 3 | ~1927 |
| Eva Johnson | Daughter | — | 11 | ~1919 |
| Lorraine Johnson | Daughter | — | 17 | ~1913 |
| Charles Johnson | Head | — | 53 | ~1877 |
| Ida Johnson | Spouse | — | 47 | ~1883 |
Census Appearances
1920
Boone, Iowa
Daughter, age 1
Boone, Iowa · implied b. ~1919 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Eva |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Boone, Iowa
Daughter, age 11
Boone, Iowa · implied b. ~1919 — 8 household members
| Surname | Johnson |
| Given Name | Eva |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Iowa |
| Occupation | none |
| Can Read/Write | Yes |
| 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 Eva Johnson across 2 US Census years (1920 and 1930) in Boone, Iowa, using XGBoost record linkage.
Show:
This person
Anchor record
Eva Johnson
Daughter · 1930 · age 11 · b. ~1919 · Iowa
★ You are viewing this record
Sibling
Betty Johnson
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Virginia Johnson
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lorraine Johnson
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hattie Johnson
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arlene Johnson
Sibling · 1930 · age 7
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
1930 US Federal Census — Boone, Iowa
Open full size
1930 US Federal Census — Boone, Iowa
Page Contents
50 people indexed on this census page (ia:1930:iowacensus00reel643:0802)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Victor Jr. Rick | 1 | son | None | Iowa |
| 52 | Larkin R. Briggy | 61 | Head | Laborer | Iowa |
| 53 | John R. Jenkins | 38 | Head | Fireman | Iowa |
| 54 | Edith H. Jenkins | 33 | Wife | None | Iowa |
| 55 | Donald Jenkins | 16 | son | None | Iowa |
| 56 | Ronald Jenkins | 15 | son | None | Iowa |
| 57 | John Jenkins | 13 | son | None | Iowa |
| 58 | Darrell Jenkins | 9 | son | None | Iowa |
| 59 | Ray M. Jenkins | 4 | son | None | Iowa |
| 60 | Lonzo W. May | 57 | Head | Laborer | Iowa |
| 61 | Clara May | 54 | Wife | None | Iowa |
| 62 | Dewey May | 11 | son | None | Iowa |
| 63 | Robert A. Dement | 42 | Head | Minister | So Dakota |
| 64 | Anna Dement | 39 | Wife | None | So Dakota |
| 65 | Victoria Dement | 17 | daughter | None | So Dakota |
| 66 | Robert M. Dement | 7 | son | None | Iowa |
| 67 | Ronald Dement | 6 | son | None | Iowa |
| 68 | Walter Dement | 3 | son | None | Iowa |
| 69 | Oscar W. Nystrand | 52 | Head | Fire Knocker | Sweden |
| 70 | Christine Beckman | 50 | Sister-in-law | None | Sweden |
| 71 | Martha Nystrand | 18 | daughter | None | Iowa |
| 72 | Harold Potter | 32 | Head | Machinist | Iowa |
| 73 | Elsie Duncan | 38 | Housekeeper | Servant | Iowa |
| 74 | Harry Fisher | 40 | Head | Laborer | Iowa |
| 75 | Florence Fisher | 29 | Wife | None | Iowa |
| 76 | Barbara A. Fisher | 5 | daughter | None | Iowa |
| 77 | Nanciline Fisher | 2 | daughter | None | Iowa |
| 78 | William Miles | 83 | Head | None | England |
| 79 | Josephine Miles | 71 | Wife | None | Canada |
| 80 | Charles Johnson | 53 | Head | Miner | Sweden |
| 81 | Ida Johnson | 47 | Wife | None | Iowa |
| 82 | Lorraine Johnson | 17 | daughter | Saleswoman | Iowa |
| 83 | Hattie Johnson | 14 | daughter | None | Iowa |
| 84 | Eva Johnson THIS PERSON | 11 | daughter | None | Iowa |
| 85 | Arlene Johnson | 7 | daughter | None | Iowa |
| 86 | Virginia L. Johnson | 6 | daughter | None | Iowa |
| 87 | Betty Lou Johnson | 3 | daughter | None | Iowa |
| 88 | Elias Larson | 79 | Head | None | Sweden |
| 89 | Hulda C. Larson | 76 | Wife | None | Sweden |
| 90 | Mae Hopkins | 46 | Head | None | Iowa |
| 91 | Beatrice Hopkins | 14 | daughter | None | No Dakota |
| 92 | Ronald Hopkins | 11 | son | None | Minnesota |
| 93 | Bernadine Hopkins | 9 | daughter | None | Iowa |
| 94 | Robert Hopkins | 3 | son | None | Iowa |
| 95 | Albert J. Gilbert | 63 | Head | Miner | Iowa |
| 96 | Elizabeth Gilbert | 60 | Wife | None | Pennsylvania |
| 97 | Richard R. Fisher | 44 | Head | Machinist Helper | Iowa |
| 98 | Elsie Fisher | 41 | Wife | None | Iowa |
| 99 | Harold Fisher | 18 | son | None | Iowa |
| 100 | Dorothy Fisher | 14 | daughter | None | Iowa |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)