HJ
Harold Johnson — 1930 US Census Record
Model Tree available1930 United States Federal Census · Lucas, Iowa
Our Model Tree links this Harold Johnson across the 1910, 1920 and 1930 US Censuses in Lucas, Iowa (XGBoost, ~Confirmed), with identified parents Carl & Carl — first a son (b.~1907), then head of a 7-person household.
Age 23
b. ~1907
Male
Son
Born: Iowa
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Lucas, Iowa |
| Surname | Johnson |
| Given Name | Harold |
| 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 | Bookkeeper |
| Industry | Bank |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Bookkeeper |
| Township / Ward | Benton 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.
7 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Harold | Age | Birth yr |
|---|---|---|---|---|
| Carl Johnson | Head | — | 51 | ~1879 |
| Minnie Johnson | Other | — | 46 | ~1884 |
| Edwin Johnson | Son | — | 16 | ~1914 |
| Harold Johnson | Son | — | 23 | ~1907 |
| Emery Johnson | Son | — | 20 | ~1910 |
| Dale Johnson | Son | — | 7 | ~1923 |
| Carl Johnson | Son | — | 12 | ~1918 |
Census Appearances
1910
Lucas, Iowa
Son, age 2
Lucas, Iowa · implied b. ~1908 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Harold R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1920
Lucas, Iowa
Son, age 12
Lucas, Iowa · implied b. ~1908 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Harold 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 |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Lucas, Iowa
Son, age 23
Lucas, Iowa · implied b. ~1907 — 7 household members
| Surname | Johnson |
| Given Name | Harold |
| 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 | Bookkeeper |
| Industry | Bank |
| 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 Harold Johnson across 3 US Census years (1910, 1920 and 1930) in Lucas, Iowa, using XGBoost record linkage. Identified parents: father Carl Johnson (~0.92 confidence) and father Carl Johnson (~0.92 confidence) and father C Johnson (~0.92 confidence) and mother Minnie Johnson (~0.92 confidence) and mother Minnie Johnson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Carl Johnson
b. ~1879
Source father
● Household
· direct · ~0.92
Father
Carl Johnson
b. ~1880
Source father
● Household
· direct · ~0.92
Father
C Johnson
b. ~1859
Source father
● Household
· direct · ~0.92
Mother
Minnie Johnson
b. ~1884
Source mother
● Household
· direct · ~0.92
Mother
Minnie Johnson
b. ~1885
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harold Johnson
Son · 1930 · age 23 · b. ~1907 · Iowa
★ You are viewing this record
Sibling
Emery Johnson
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Carl Johnson
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dale Johnson
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edwin Johnson
Sibling · 1930 · age 16
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 — Lucas, Iowa
Open full size
1930 US Federal Census — Lucas, Iowa
Page Contents
50 people indexed on this census page (ia:1930:iowacensus00reel666:0265)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Dale Thomas | 27 | Head | Farmer | Iowa |
| 52 | Mabel Thomas | 26 | Wife-H | — | Iowa |
| 53 | Doris Thomas | 5 | Daughter | — | Iowa |
| 54 | Harold Thomas | 2 | Son | — | Iowa |
| 55 | Allan Parker | 36 | Head | Farmer | Iowa |
| 56 | Ethel Parker | 32 | Wife-H | — | Iowa |
| 57 | Howard Parker | 11 | Son | — | Nebraska |
| 58 | Verlyn Parker | 9 | Son | — | Iowa |
| 59 | Glen Parker | 8 | Son | — | Iowa |
| 60 | Gail Parker | 6 | Son | — | Iowa |
| 61 | Richard Parker | 4 | Son | — | Iowa |
| 62 | Jerry Parker | 2 | Son | — | Iowa |
| 63 | Carl Johnson | 51 | Head | Farmer | Iowa |
| 64 | Minnie Johnson | 46 | Wife-H | — | Iowa |
| 65 | Harold Johnson THIS PERSON | 23 | Son | Bookkeeper | Iowa |
| 66 | Emery Johnson | 20 | Son | Farm Labour | Iowa |
| 67 | Edwin Johnson | 16 | Son | — | Iowa |
| 68 | Carl Jr. Johnson | 12 | Son | — | Iowa |
| 69 | Dale Johnson | 7 | Son | — | Iowa |
| 70 | Richard Johnson | 24 | Head | Farmer | Iowa |
| 71 | Bertha Johnson | 25 | Wife-H | — | Nebraska |
| 72 | Arlene Johnson | 3 | Daughter | — | Iowa |
| 73 | Keith Johnson | 1 | Son | — | Iowa |
| 74 | Mann Arnold | 71 | Head | Farmer | Iowa |
| 75 | Doneta Arnold | 70 | Wife-H | — | Iowa |
| 76 | Steve Stoneking | 18 | Hired Man | Farm Labour | Iowa |
| 77 | Frank Cumberledge | 51 | Head | Farmer | Iowa |
| 78 | Mary Cumberledge | 53 | Wife-H | — | Iowa |
| 79 | Nelson Cumberledge | 21 | Son | Farm Labour | Iowa |
| 80 | Murl Cumberledge | 13 | Son | — | Iowa |
| 81 | Lester Cumberledge | 10 | Son | — | Iowa |
| 82 | Betty Cumberledge | 7 | Daughter | — | Iowa |
| 83 | Daniel Myers | 73 | Head | — | Pennsylvania |
| 84 | Mary Myers | 71 | Wife-H | — | Iowa |
| 85 | Frank Myers | 48 | Head | Farmer | Iowa |
| 86 | Ethel Myers | 43 | Wife-H | — | Iowa |
| 87 | Flora Myers | 22 | Daughter | Teacher | Iowa |
| 88 | Daniel Myers | 16 | Son | — | Iowa |
| 89 | Cleo Myers | 12 | Niece | — | Iowa |
| 90 | Frances Myers | 11 | Niece | — | Iowa |
| 91 | John Anderson | 52 | Head | Farmer | Iowa |
| 92 | Della Anderson | 54 | Wife-H | — | Iowa |
| 93 | David Hupp | 58 | Head | Farmer | Iowa |
| 94 | Lucinda Hupp | 66 | Sister-H | — | Iowa |
| 95 | Hannah Hupp | 60 | Sister | — | Iowa |
| 96 | Will Hupp | 62 | Brother | — | Iowa |
| 97 | Sarah Hupp | 56 | Sister | — | Iowa |
| 98 | Margaret Hupp | 51 | Sister | — | Iowa |
| 99 | Harry Smith | 52 | Head | Farm Labourer | Iowa |
| 100 | Ada Smith | 40 | Wife-H | — | Iowa |
Pedigree Summary
Harold + 4 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)