GC
George Clark — 1930 US Census Record
Model Tree available1930 United States Federal Census · Harrison, Iowa
Our Model Tree links this George Clark across the 1900, 1910, 1920 and 1930 US Censuses in Harrison, Iowa (XGBoost, ~Confirmed), with identified parents Lee & Lee — first a son (b.~1900), then head of a 4-person household.
Age 30
b. ~1900
Male
Son
Born: Iowa
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Harrison, Iowa |
| Surname | Clark |
| Given Name | George |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Iowa |
| Additional Details | |
| Occupation | Farmer |
| Industry | General farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Farmer |
| Township / Ward | Union Township |
| Est. Birth Year | ~1900 |
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 George | Age | Birth yr |
|---|---|---|---|---|
| Neva Clark | Daughter | — | 26 | ~1904 |
| Lee Clark | Head | — | 66 | ~1864 |
| Delilah Clark | Other | — | 24 | ~1906 |
| George Clark | Son | — | 30 | ~1900 |
Census Appearances
1900
Harrison, Iowa
Son, age 1
Harrison, Iowa · implied b. ~1899 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Georg E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Iowa |
| Birth Month | June |
| Birth Year | 1899 |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1910
Harrison, Iowa
Son, age 11
Harrison, Iowa · implied b. ~1899 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | George L |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Iowa |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1920
Harrison, Iowa
Son, age 20
Harrison, Iowa · implied b. ~1900 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | George |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Harrison, Iowa
Son, age 30
Harrison, Iowa · implied b. ~1900 — 4 household members
| Surname | Clark |
| Given Name | George |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Iowa |
| Occupation | Farmer |
| Industry | General farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| 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 George Clark across 4 US Census years (1900, 1910, 1920 and 1930) in Harrison, Iowa, using XGBoost record linkage. Identified parents: father Lee Clark (~0.92 confidence) and father Lee Clark (~0.92 confidence) and mother Nellie Clark (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Lee Clark
b. ~1863
Source father
● Household
· direct · ~0.92
Father
Lee Clark
b. ~1864
Source father
● Household
· direct · ~0.92
Mother
Nellie Clark
b. ~1870
Source mother
● Household
· direct · ~0.92
This person
Anchor record
George Clark
Son · 1930 · age 30 · b. ~1900 · Iowa
★ You are viewing this record
Sibling
Neva Clark
Sibling · 1930 · age 26
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 — Harrison, Iowa
Open full size
1930 US Federal Census — Harrison, Iowa
Page Contents
50 people indexed on this census page (ia:1930:iowacensus00reel658:0737)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Lee Clark | 66 | Head | Farmer | Missouri |
| 2 | George Clark THIS PERSON | 30 | Son | Farmer | Iowa |
| 3 | Neva Clark | 26 | Daughter | Music Instructor | Iowa |
| 4 | Delilah Clark | 24 | Daughter-in-law | None | Iowa |
| 5 | Noah Gill | 48 | Head | Farmer | Iowa |
| 6 | Goldie Gill | 45 | Wife | None | Iowa |
| 7 | Gerald P. Gill | 21 | Son | Farmer | Iowa |
| 8 | Myron G. Gill | 16 | Son | Laborer | Iowa |
| 9 | Ambrose O'Neill | 39 | Head | Farmer | Iowa |
| 10 | Myrtle O'Neill | 22 | Wife | None | Iowa |
| 11 | Buster O'Neill | 7 | Son | None | Nebraska |
| 12 | John H. O'Neill | 4 | Son | None | Iowa |
| 13 | Bobbie L. O'Neill | 2 | Son | None | Iowa |
| 14 | Barbara J. O'Neill | 1 | Daughter | None | Iowa |
| 15 | Emma O'Neill | 72 | Mother | None | Ohio |
| 16 | William O'Neill | 75 | Father | None | Iowa |
| 17 | Thomas Thompson | 49 | Head | Farmer | Iowa |
| 18 | Marie Thompson | 43 | Wife | None | Iowa |
| 19 | Hilles Thompson | 18 | Son | None | Iowa |
| 20 | Margaret Thompson | 16 | Daughter | None | Iowa |
| 21 | Marie Thompson | 14 | Daughter | None | Iowa |
| 22 | Laverne Thompson | 12 | Son | None | Iowa |
| 23 | Pearl Thompson | 10 | Daughter | None | Iowa |
| 24 | Irene Thompson | 6 | Daughter | None | Iowa |
| 25 | Arlene Thompson | 2 | Daughter | None | Iowa |
| 26 | Fred Klaus | 47 | Lodger | Laborer | Iowa |
| 27 | Henry O'Neill | 49 | Head | Farmer | Iowa |
| 28 | Pearl O'Neill | 31 | Wife | None | Iowa |
| 29 | Grace O'Neill | 8 | Daughter | None | Iowa |
| 30 | Bonnie O'Neill | 3 | Daughter | None | Iowa |
| 31 | Martha O'Neill | 83 | Mother | None | Illinois |
| 32 | Frank Hall | 44 | Lodger | Laborer | Iowa |
| 33 | Benjamin Tinken | 38 | Head | Farmer | Iowa |
| 34 | Mable Tinken | 36 | Wife | None | Iowa |
| 35 | Helen Tinken | 8 | Daughter | None | Iowa |
| 36 | Lynn Tinken | 6 | Son | None | Iowa |
| 37 | Elly Tinken | 4 | Son | None | Iowa |
| 38 | Scott Smith | 27 | Head | Laborer | Missouri |
| 39 | Nellie Smith | 23 | Wife | None | Iowa |
| 40 | Donald Smith | 2 | Son | None | Missouri |
| 41 | Colleen Smith | 0 | Daughter | None | Iowa |
| 42 | Ernest Killpack | 41 | Head | Farmer | Iowa |
| 43 | Eelen Killpack | 39 | Wife | None | Iowa |
| 44 | Frederick Killpack | 11 | Son | None | Iowa |
| 45 | Vincent Killpack | 10 | Son | None | Iowa |
| 46 | Carroll Killpack | 3 | Son | None | Iowa |
| 47 | George E. Millsap | 30 | Head | Farmer | Iowa |
| 48 | Fern Millsap | 26 | Wife | None | Nebraska |
| 49 | Ruth Ann Millsap | 3 | Daughter | None | Iowa |
| 50 | Virginia Millsap | 1 | Daughter | None | Iowa |
Pedigree Summary
George + 1 sibling
Gen 1 · 3 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)