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Alvin Johnson — 1930 US Census Record
Model Tree available1930 United States Federal Census · Scott, Iowa
Our Model Tree links this Alvin Johnson across the 1910, 1920 and 1930 US Censuses in Scott, Iowa (XGBoost, ~Confirmed), with identified parents Clarence & Cyrus — first a son (b.~1909), then head of a 3-person household.
Age 21
b. ~1909
Male
Son
Born: Iowa
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Scott, Iowa |
| Surname | Johnson |
| Given Name | Alvin |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Additional Details | |
| Occupation | Laborer |
| Industry | General Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Laborer |
| Township / Ward | Blue Grass Township Part |
| Est. Birth Year | ~1909 |
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.
3 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Alvin | Age | Birth yr |
|---|---|---|---|---|
| Clarence Johnson | Head | — | 47 | ~1883 |
| Alvin Johnson | Son | — | 21 | ~1909 |
| Manda Johnson | Other | — | 44 | ~1886 |
Census Appearances
1910
Muscatine, Iowa
Son, age
Muscatine, Iowa · implied b. ~1910 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Alvin |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1920
Scott, Iowa
Son, age 10
Scott, Iowa · implied b. ~1910 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Alvin |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Scott, Iowa
Son, age 21
Scott, Iowa · implied b. ~1909 — 3 household members
| Surname | Johnson |
| Given Name | Alvin |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | Laborer |
| Industry | General Farm |
| 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 Alvin Johnson across 3 US Census years (1910, 1920 and 1930) in 2 locations, using XGBoost record linkage. Identified parents: father Clarence Johnson (~0.92 confidence) and father Cyrus Johnson (~0.92 confidence) and mother Amanda Johnson (~0.92 confidence) and mother Catharine Johnson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Clarence Johnson
b. ~1883
Source father
● Household
· direct · ~0.92
Father
Cyrus Johnson
b. ~1887
Source father
● Household
· direct · ~0.92
Mother
Amanda Johnson
b. ~1887
Source mother
● Household
· direct · ~0.92
Mother
Catharine Johnson
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Alvin Johnson
Son · 1930 · age 21 · b. ~1909 · Iowa
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Scott, Iowa
Open full size
1930 US Federal Census — Scott, Iowa
Page Contents
50 people indexed on this census page (ia:1930:iowacensus00reel681:0098)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Lois Plett | 2 | Daughter | None | Iowa |
| 2 | George Springmeier | 36 | Head | Farmer | Iowa |
| 3 | Laura Springmeier | 31 | Wife-H | None | Iowa |
| 4 | Everett Springmeier | 8 | Son | None | Iowa |
| 5 | Henry Eckmann | 79 | Roomer | Laborer | Germany |
| 6 | Louis F Cawley | 44 | Head | Farmer | Iowa |
| 7 | Ellen Cawley | 39 | Wife-H | None | Illinois |
| 8 | Clarence Cawley | 10 | Son | None | Illinois |
| 9 | Lois Cawley | 2 | Daughter | None | Iowa |
| 10 | Raymond B Robinson | 45 | Head | Farmer | Iowa |
| 11 | Olga Robinson | 45 | Wife-H | None | Iowa |
| 12 | Vera Fischer | 19 | Roomer | School Teacher | Iowa |
| 13 | Hugo Brumm | 34 | Head | Farmer | Iowa |
| 14 | Hilda Brumm | 26 | Wife-H | None | Iowa |
| 15 | Clarence Johnson | 47 | Head | Farmer | Iowa |
| 16 | Manda Johnson | 44 | Wife-H | None | Iowa |
| 17 | Alvin Johnson THIS PERSON | 21 | Son | Laborer | Iowa |
| 18 | Robert Baugh | 35 | Head | Electrician | Missouri |
| 19 | Della Baugh | 35 | Wife-H | None | Illinois |
| 20 | Karl Baugh | 15 | Son | None | Iowa |
| 21 | Marian Baugh | 13 | Daughter | None | Iowa |
| 22 | Gertrude Baugh | 11 | Daughter | None | Iowa |
| 23 | Helen Baugh | 10 | Daughter | None | South Dakota |
| 24 | Roy Baugh | 7 | Son | None | South Dakota |
| 25 | Marie Baugh | 6 | Daughter | None | Iowa |
| 26 | Jimmie Baugh | 4 | Son | None | Iowa |
| 27 | Bobby Baugh | 3 | Son | None | Iowa |
| 28 | Laverne Baugh | 1 | Son | None | Iowa |
| 29 | Orville Schroder | 25 | Head | Farmer | Iowa |
| 30 | Olga Schroder | 30 | Sister-H | None | Iowa |
| 31 | Herbert Schroder | 28 | Brother | Laborer | Iowa |
| 32 | Rollo Schroder | 15 | Brother | Laborer | Iowa |
| 33 | Roy Findley | 37 | Head | Farmer | Iowa |
| 34 | Myrtle Findley | 31 | Wife-H | None | Iowa |
| 35 | Vera Findley | 13 | Daughter | None | Iowa |
| 36 | Earl Findley | 8 | Son | None | Iowa |
| 37 | William A Barnes | 71 | Head | Farmer | Pennsylvania |
| 38 | Minerva Barnes | 59 | Wife-H | None | Iowa |
| 39 | Roland Barnes | 27 | Son | None | Iowa |
| 40 | Chester Barnes | 39 | Son | Farmer | Iowa |
| 41 | Evelyn Barnes | 27 | Daughter-in-law | None | Illinois |
| 42 | Tony Wendland | 46 | Head | Farmer | Iowa |
| 43 | Alma Wendland | 46 | Wife-H | None | Iowa |
| 44 | Leo J Wendland | 21 | Son | Stenographer | Iowa |
| 45 | Clarence A Wendland | 18 | Son | Laborer | Iowa |
| 46 | Vivian H Wendland | 15 | Daughter | None | Iowa |
| 47 | Ada S Wendland | 12 | Daughter | None | Iowa |
| 48 | Mildred Wendland | 9 | Daughter | None | Iowa |
| 49 | Marcella V Wendland | 9 | Daughter | None | Iowa |
| 50 | — | None | — | — | — |
Pedigree Summary
Alvin
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)