MJ
Melvin Johnson — 1930 US Census Record
Model Tree available1930 United States Federal Census · Pocahontas, Iowa
Our Model Tree links this Melvin Johnson across the 1910, 1920 and 1930 US Censuses in Pocahontas, Iowa (XGBoost, ~Confirmed), with identified parents Ida & Lillie — first a son (b.~1907), then head of a 9-person household.
Age 23
b. ~1907
Male
Son
Born: Iowa
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Pocahontas, Iowa |
| Surname | Johnson |
| Given Name | Melvin |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| 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 | Colfax Township |
| Est. Birth Year | ~1907 |
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.
9 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Melvin | Age | Birth yr |
|---|---|---|---|---|
| Mildred Johnson | Daughter | — | 16 | ~1914 |
| Lucilla Johnson | Daughter | — | 12 | ~1918 |
| Alice Johnson | Daughter | — | 18 | ~1912 |
| Alfred Johnson | Head | — | 42 | ~1888 |
| Raymond Johnson | Son | — | 5 | ~1925 |
| Willard Johnson | Son | — | 14 | ~1916 |
| Melvin Johnson | Son | — | 23 | ~1907 |
| Arnold Johnson | Son | — | 9 | ~1921 |
| Ida Johnson | Spouse | — | 49 | ~1881 |
Census Appearances
1910
Pocahontas, Iowa
Son, age 3
Pocahontas, Iowa · implied b. ~1907 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Melvin |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1920
Pocahontas, Iowa
Son, age 12
Pocahontas, Iowa · implied b. ~1908 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Melvin R |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| 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
Pocahontas, Iowa
Son, age 23
Pocahontas, Iowa · implied b. ~1907 — 9 household members
| Surname | Johnson |
| Given Name | Melvin |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| 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 Melvin Johnson across 3 US Census years (1910, 1920 and 1930) in Pocahontas, Iowa, using XGBoost record linkage. Identified parents: mother Ida Johnson (~0.92 confidence) and mother Lillie Johnson (~0.92 confidence) and father Alfred Johnson (~0.92 confidence) and mother Ida Johnson (~0.92 confidence) and father Alfred Johnson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Ida Johnson
b. ~1881
Source mother
● Household
· direct · ~0.92
Mother
Lillie Johnson
b. ~1882
Source mother
● Household
· direct · ~0.92
Father
Alfred Johnson
b. ~1884
Source father
● Household
· direct · ~0.92
Mother
Ida Johnson
b. ~1886
Source mother
● Household
· direct · ~0.92
Father
Alfred Johnson
b. ~1888
Source father
● Household
· direct · ~0.92
This person
Anchor record
Melvin Johnson
Son · 1930 · age 23 · b. ~1907 · Iowa
★ You are viewing this record
Sibling
Lucilla Johnson
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mildred Johnson
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Johnson
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Raymond Johnson
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arnold Johnson
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Willard Johnson
Sibling · 1930 · age 14
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 — Pocahontas, Iowa
Open full size
1930 US Federal Census — Pocahontas, Iowa
Page Contents
50 people indexed on this census page (ia:1930:iowacensus00reel673:0119)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Harry C. Passow | 35 | Head | Farmer | Ohio |
| 2 | Emma H. Passow | 27 | Wife | — | Iowa |
| 3 | Marcella Passow | 5 | Daughter | — | Iowa |
| 4 | Louis Passow | 3 | Son | — | Iowa |
| 5 | Dorothy Passow | 2 | Daughter | — | Iowa |
| 6 | Elsie Passow | 1 | Daughter | — | Iowa |
| 7 | Betty Passow | 12 | Niece | — | Minnesota |
| 8 | Arthur Holander | 46 | Head | Farmer | Sweden |
| 9 | Josephine Holander | 45 | Wife | — | Iowa |
| 10 | Ruth Holander | 18 | Daughter | — | Iowa |
| 11 | Norman Holander | 15 | Son | Laborer | Iowa |
| 12 | Herbert Holander | 5 | Son | — | Iowa |
| 13 | Ambrose Murphy | 38 | Head | Farmer | Iowa |
| 14 | Arabella Murphy | 40 | Wife | — | New York |
| 15 | Mary Lou Murphy | 13 | Daughter | — | Iowa |
| 16 | Madeline Murphy | 3 | Daughter | — | Iowa |
| 17 | Jim Murphy | 45 | Head | Farmer | Iowa |
| 18 | Hazel Murphy | 33 | Wife | — | Iowa |
| 19 | James Jr. Murphy | 5 | Son | — | Iowa |
| 20 | Doris Murphy | 3 | Daughter | — | Iowa |
| 21 | Edward Svalin | 31 | Head | Farmer | Iowa |
| 22 | Esther L. Svalin | 24 | Wife | — | Minnesota |
| 23 | Marlyn L. Svalin | 1 | Son | — | Iowa |
| 24 | Andrew Edgren | 63 | Father-in-law | — | Sweden |
| 25 | Gilbert Johnson | 48 | Head | Farmer | Iowa |
| 26 | Ida Johnson | 42 | Wife | — | Iowa |
| 27 | Ruth M. Johnson | 21 | Daughter | — | Iowa |
| 28 | Florence Johnson | 18 | Daughter | — | Iowa |
| 29 | Amanda Johnson | 80 | Mother | — | Sweden |
| 30 | Arthur Johnson | 49 | Head | Farmer | Illinois |
| 31 | Emma Johnson | 50 | Wife | — | Iowa |
| 32 | Gladys Johnson | 20 | Daughter | — | Iowa |
| 33 | Theodore Johnson | 18 | Son | Laborer | Iowa |
| 34 | Juanita Johnson | 16 | Daughter | — | Iowa |
| 35 | Vivian Johnson | 14 | Daughter | — | Iowa |
| 36 | Helen Johnson | 12 | Daughter | — | Iowa |
| 37 | Fern Johnson | 8 | Daughter | — | Iowa |
| 38 | Lois Johnson | 5 | Daughter | — | Iowa |
| 39 | Alfred Johnson | 42 | Head | Farmer | Iowa |
| 40 | Ida L. Johnson | 49 | Wife | — | Iowa |
| 41 | Melvin Johnson THIS PERSON | 23 | Son | Laborer | Iowa |
| 42 | Alice Johnson | 18 | Daughter | Laborer | Iowa |
| 43 | Mildred Johnson | 16 | Daughter | — | Iowa |
| 44 | Willard Johnson | 14 | Son | — | Iowa |
| 45 | Lucilla Johnson | 12 | Daughter | — | Iowa |
| 46 | Arnold Johnson | 9 | Son | — | Iowa |
| 47 | Raymond Jr. Johnson | 5 | Son | — | Iowa |
| 48 | Nels Dalquist | 54 | Head | Farmer | Iowa |
| 49 | Sophie Dalquist | 50 | Wife | — | Iowa |
| 50 | Mabel L. Dalquist | 14 | Daughter | — | Iowa |
Pedigree Summary
Melvin + 6 siblings
Gen 1 · 5 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)