EJ
Evelyn Johnson — 1930 US Census Record
Model Tree available1930 United States Federal Census · Pottawattamie, Iowa
Our Model Tree links this Evelyn Johnson across the 1910, 1920 and 1930 US Censuses in Pottawattamie, Iowa (XGBoost, ~Confirmed), with identified parents Waldemar & Valdemar — first a daughter (b.~1906), then head of a 4-person household.
Age 24
b. ~1906
Female
Daughter
Born: Iowa
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Pottawattamie, Iowa |
| Surname | Johnson |
| Given Name | Evelyn |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Washington |
| Additional Details | |
| Occupation | Clerk |
| Industry | Telephone Office |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Clerk |
| Township / Ward | Council Bluffs City |
| Est. Birth Year | ~1906 |
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 1930 census.
| Name | Relation to head | Relative to Evelyn | Age | Birth yr |
|---|---|---|---|---|
| Evelyn Johnson | Daughter | — | 24 | ~1906 |
| Valdemar Johnson | Head | — | 53 | ~1877 |
| Laura Johnson | Other | — | 50 | ~1880 |
| Wallace Johnson | Son | — | 19 | ~1911 |
Census Appearances
1910
Pottawattamie, Iowa
Daughter, age 4
Pottawattamie, Iowa · implied b. ~1906 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Evelyn |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Washington |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1920
Pottawattamie, Iowa
Daughter, age 13
Pottawattamie, Iowa · implied b. ~1907 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Evelyn |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Washington |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Pottawattamie, Iowa
Daughter, age 24
Pottawattamie, Iowa · implied b. ~1906 — 4 household members
| Surname | Johnson |
| Given Name | Evelyn |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Washington |
| Occupation | Clerk |
| Industry | Telephone Office |
| Class of Worker | W |
| 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 Evelyn Johnson across 3 US Census years (1910, 1920 and 1930) in Pottawattamie, Iowa, using XGBoost record linkage. Identified parents: father Waldemar Johnson (~0.92 confidence) and father Valdemar Johnson (~0.92 confidence) and mother Anna Johnson (~0.92 confidence) and mother Laura Johnson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Waldemar Johnson
b. ~1877
Source father
● Household
· direct · ~0.92
Father
Valdemar Johnson
b. ~1877
Source father
● Household
· direct · ~0.92
Mother
Anna Johnson
b. ~1878
Source mother
● Household
· direct · ~0.92
Mother
Laura Johnson
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Evelyn Johnson
Daughter · 1930 · age 24 · b. ~1906 · Iowa
★ You are viewing this record
Sibling
Wallace Johnson
Sibling · 1930 · age 19
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 — Pottawattamie, Iowa
Open full size
1930 US Federal Census — Pottawattamie, Iowa
Page Contents
50 people indexed on this census page (ia:1930:iowacensus00reel679:0122)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Charles J Brunow | 22 | Son | Proprietor | Iowa |
| 52 | Fred G Johnson | 42 | Head | Agent | Iowa |
| 53 | Katherine E Johnson | 42 | Wife-H | — | Iowa |
| 54 | Donald H Johnson | 20 | Son | Clerk | Iowa |
| 55 | Louis Green | 62 | Head | Retired | Iowa |
| 56 | Nora B Green | 60 | Wife-H | — | Missouri |
| 57 | Jay L Bosley | 32 | Head | Switchman | Iowa |
| 58 | Grace L Bosley | 29 | Wife-H | — | Iowa |
| 59 | Harold E Bosley | 10 | Son | — | Iowa |
| 60 | Oscar S Scott | 57 | Uncle | — | Iowa |
| 61 | Edith Dunfee | 42 | Head | Cashier | Iowa |
| 62 | Warner Dunfee | 21 | Son | Clerk | Iowa |
| 63 | Ida Dunfee | 20 | Daughter | Billing Clerk | Iowa |
| 64 | Maurine Dunfee | 13 | Daughter | — | Iowa |
| 65 | George Dunfee | 10 | Son | — | Missouri |
| 66 | Valdemar M Johnson | 53 | Head | Postal Clerk | Iowa |
| 67 | Laura H Johnson | 50 | Wife-H | — | Washington |
| 68 | Evelyn Johnson THIS PERSON | 24 | Daughter | Clerk | Iowa |
| 69 | Wallace H Johnson | 19 | Son | — | Iowa |
| 70 | Elmer W Heaton | 49 | Head | Salesman | Iowa |
| 71 | May Heaton | 45 | Wife-H | — | Iowa |
| 72 | Richard P Williams | 50 | Head | Bridge Engineer | Iowa |
| 73 | Charlotte B Williams | 48 | Wife-H | — | Iowa |
| 74 | Fred S Bell | 38 | Head | Inspector | Missouri |
| 75 | Audrey B Bell | 35 | Wife-H | — | Missouri |
| 76 | Audrey M Bell | 8 | Daughter | — | Missouri |
| 77 | Arthur Morris | 38 | Head | Co. Manager | Iowa |
| 78 | Aileen K Morris | 34 | Wife-H | — | Iowa |
| 79 | Arthur P Morris | 5 | Daughter | — | Iowa |
| 80 | Valarie Marquardt | 80 | Head-H | — | Germany |
| 81 | Victor H Marquardt | 44 | Son | Florist | Iowa |
| 82 | Leonard Marquardt | 37 | Son | Butcher | Iowa |
| 83 | George P Blank | 56 | Head | Auditor | Iowa |
| 84 | Maude B Blank | 46 | Wife-H | — | Iowa |
| 85 | Dorothy L Blank | 15 | Daughter | — | Iowa |
| 86 | Anagene P Blank | 13 | Daughter | — | Iowa |
| 87 | Catherine K Blank | 11 | Daughter | — | Iowa |
| 88 | Lena Blank | 85 | Sister | Retired | Germany |
| 89 | Philippina Blank | 87 | Mother | — | Germany |
| 90 | John E Anderson | 40 | Head | Proprietor | Illinois |
| 91 | Katherine Anderson | 40 | Wife-H | — | Iowa |
| 92 | Earl E Anderson | 17 | Son | — | Iowa |
| 93 | Ruth E Anderson | 16 | Daughter | — | Iowa |
| 94 | Elizabeth Webb | 59 | Mother-law | — | Iowa |
| 95 | Joseph E Webb | 40 | Brother-law | Chef | Iowa |
| 96 | Clyde Talley | 24 | Head | Salesman | Missouri |
| 97 | Cleo A Talley | 26 | Wife-H | — | Iowa |
| 98 | John E Garside | 71 | Head | Metal Worker | Illinois |
| 99 | Etta A Garside | 67 | Wife-H | — | Illinois |
| 100 | Edwin R Jackson | 48 | Head | Trust Officer | Iowa |
Pedigree Summary
Evelyn + 1 sibling
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
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)