HJ
Harold Johnson — 1930 US Census Record
Model Tree available1930 United States Federal Census · Marion, Indiana
Our Model Tree links this Harold Johnson across the 1910, 1920 and 1930 US Censuses in Marion, Indiana (XGBoost, ~Confirmed), with identified parents Charles & Charles — first a son (b.~1902), then head of a 6-person household.
Age 28
b. ~1902
Male
Son
Born: Indiana
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Marion, Indiana |
| Surname | Johnson |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Additional Details | |
| Occupation | Electrician |
| Industry | Robt Elec Co |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Electrician |
| Township / Ward | Indianapolis City |
| Est. Birth Year | ~1902 |
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.
6 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Harold | Age | Birth yr |
|---|---|---|---|---|
| Pearl Williams | Daughter | — | 23 | ~1907 |
| Charles Johnson | Head | — | 46 | ~1884 |
| Wilma Hammond | Other | — | 5 | ~1925 |
| Harold Johnson | Son | — | 28 | ~1902 |
| Fred Johnson | Son | — | 21 | ~1909 |
| Maggie Johnson | Spouse | — | 47 | ~1883 |
Census Appearances
1910
Marion, Indiana
Son, age 6
Marion, Indiana · implied b. ~1904 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Harold D |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Ohio |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1920
Marion, Indiana
Son, age 17
Marion, Indiana · implied b. ~1903 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | Boiler Helper |
| Industry | Rail Road |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Marion, Indiana
Son, age 28
Marion, Indiana · implied b. ~1902 — 6 household members
| Surname | Johnson |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | Electrician |
| Industry | Robt Elec Co |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 Harold Johnson across 3 US Census years (1910, 1920 and 1930) in Marion, Indiana, using XGBoost record linkage. Identified parents: father Charles Johnson (~0.92 confidence) and father Charles Johnson (~0.92 confidence) and father Howard Johnson (~0.92 confidence) and mother Maggie Johnson (~0.92 confidence) and mother Eva Johnson (~0.92 confidence) and mother Maud Johnson (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles Johnson
b. ~1884
Source father
● Household
· direct · ~0.92
Father
Charles Johnson
b. ~1880
Source father
● Household
· direct · ~0.92
Father
Howard Johnson
b. ~1878
Source father
● Household
· direct · ~0.92
Mother
Maggie Johnson
b. ~1883
Source mother
● Household
· direct · ~0.92
Mother
Eva Johnson
b. ~1889
Source mother
● Household
· direct · ~0.92
Mother
Maud Johnson
b. ~1882
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harold Johnson
Son · 1930 · age 28 · b. ~1902 · Indiana
★ You are viewing this record
Sibling
Fred Johnson
Sibling · 1930 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Pearl Williams
Sibling · 1930 · age 23
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 — Marion, Indiana
Open full size
1930 US Federal Census — Marion, Indiana
Page Contents
31 people indexed on this census page (ia:1930:indianacensus00reel616:0457)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Lawrence Harrison | 23 | Boarder | Student | Indiana |
| 2 | Charles Blank | 36 | Head | Locomotive Engineer | Illinois |
| 3 | Bessie Blank | 35 | Wife | — | Indiana |
| 4 | Robert Blank | 7 | Son | — | Indiana |
| 5 | Chester Blank | 1 | Son | — | Indiana |
| 6 | Arthur Case | 32 | Head | Traffic Manager | Ohio |
| 7 | Margaret Case | 31 | Wife | — | Indiana |
| 8 | Louis Case | 76 | Father | Clerk | Ohio |
| 9 | Daris Baker | 39 | Head | Machinist | Indiana |
| 10 | Maud Baker | 38 | Wife | — | Indiana |
| 11 | Benny Sacks | 19 | Son-in-law | Marking Glass | Indiana |
| 12 | Evelyn Baker | 22 | Daughter | Marking Glass | Indiana |
| 13 | Robert Busch | 39 | Head | Painter | Indiana |
| 14 | Edna Busch | 37 | Wife | — | Indiana |
| 15 | Mary Busch | 9 | Daughter | — | Indiana |
| 16 | Robert Busch | 6 | Son | — | Indiana |
| 17 | Charles Johnson | 46 | Head | Car Maker | Indiana |
| 18 | Maggie Johnson | 47 | Wife | — | Indiana |
| 19 | Harold Johnson THIS PERSON | 28 | Son | Electrician | Indiana |
| 20 | Fred Johnson | 21 | Son | Laborer | Indiana |
| 21 | Pearl Williams | 23 | Daughter | Waitress | Indiana |
| 22 | Wilma Hammond | 5 | Granddaughter | — | Indiana |
| 23 | Jacob Thompson | 56 | Head | Baker | Ohio |
| 24 | Daisy Thompson | 55 | Wife | — | Ohio |
| 25 | Vernon Gibson | 30 | Son-in-law | Machinist | Indiana |
| 26 | Arvilla Gibson | 28 | Daughter | — | Indiana |
| 27 | Betty Gibson | 5 | Granddaughter | — | Indiana |
| 28 | Deloris Gibson | 2 | Granddaughter | — | Indiana |
| 29 | Robert Staub | 39 | Head | Lithographer | Ohio |
| 30 | Fannie Staub | 36 | Wife | Choc Dipper | Indiana |
| 31 | Robert Staub | 11 | Son | — | Ohio |
Pedigree Summary
Harold + 2 siblings
Gen 1 · 6 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)