HC
Howard Clark — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cherokee-County, Iowa
Our Model Tree links this Howard Clark across the 1930 and 1940 US Censuses in Cherokee-County, Iowa (XGBoost, ~Confirmed) — first a son (b.~1926), then head of a 12-person household.
Age 14
b. ~1926
Male
Son
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cherokee-County, Iowa |
| Surname | Clark |
| Given Name | Howard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Cherokee |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Cherokee City |
| Est. Birth Year | ~1926 |
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.
12 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Howard | Age | Birth yr |
|---|---|---|---|---|
| Doncia Gregg | Spouse | — | 38 | ~1902 |
| Dy Clark | Daughter | — | 5 | ~1935 |
| Howard Clark | Son | — | 14 | ~1926 |
| Irvin Gregg | Son | — | 18 | ~1922 |
| Phoebe Gregg | Daughter | — | 13 | ~1927 |
| Donald Clark | Son | — | 12 | ~1928 |
| Earl Gregg | Head | — | 41 | ~1899 |
| Charles Clark | Son | — | 8 | ~1932 |
| Alice Clark | Daughter | — | 11 | ~1929 |
| Douglas Gregg | Daughter | — | 12 | ~1928 |
| Gertie Gregg | Daughter | — | 17 | ~1923 |
| John Gregg | Son | — | 15 | ~1925 |
Census Appearances
1930
Cherokee, Iowa
Son, age 4
Cherokee, Iowa · implied b. ~1926 — 19 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Howard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Cherokee-County, Iowa
Son, age 14
Cherokee-County, Iowa · implied b. ~1926 — 12 household members
| Surname | Clark |
| Given Name | Howard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Cherokee |
| Highest Grade | No 8 |
| 1935 Residence | Iowa |
| 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 Howard Clark across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Howard Clark
Son · 1940 · age 14 · b. ~1926 · Iowa
★ You are viewing this record
Sibling
John Gregg
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Irvin Gregg
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Clark
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gertie Gregg
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Douglas Gregg
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Phoebe Gregg
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Clark
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Clark
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dy Clark
Sibling · 1940 · age 5
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
1940 US Federal Census — Cherokee-County, Iowa
Open full size
1940 US Federal Census — Cherokee-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01147-00264)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Edward L. De Mars | 53 | Head | Barber | N. Dakota |
| 2 | Thos. M. Hatfield | 60 | Wife | Barber | Iowa |
| 3 | June Gervits | 9 | Daughter | — | Iowa |
| 4 | John Timmerman | 4 | Son | — | Iowa |
| 5 | Philip Mummert | 3 | Son | — | Iowa |
| 6 | Lyle Mummert | 2 | Son | — | Iowa |
| 7 | Casey Ware | 26 | Lodger | Maid | Iowa |
| 8 | Earl Gregg | 41 | Head | Cream Solicitor | Missouri |
| 9 | Doncia D. Gregg | 38 | Wife | Maid | N. Dak. |
| 10 | Irvin Gregg | 18 | Son | Delivery | Iowa |
| 11 | Gertie Gregg | 17 | Daughter | — | Minnesota |
| 12 | John Gregg | 15 | Son | — | Minnesota |
| 13 | Phoebe Gregg | 13 | Daughter | — | Minnesota |
| 14 | Douglas Gregg | 12 | Daughter | — | Minnesota |
| 15 | Howard Clark THIS PERSON | 14 | Son | — | Iowa |
| 16 | Donald Clark | 12 | Son | — | Iowa |
| 17 | Alice Clark | 11 | Daughter | — | Iowa |
| 18 | Charles Clark | 8 | Son | — | Iowa |
| 19 | Dy Lois Clark | 5 | Daughter | — | Iowa |
| 20 | Charles R. Spurpin | 26 | Head | Farmer | Iowa |
| 21 | Della Mae Spurpin | 23 | Wife | Farmer | Iowa |
| 22 | Donald Spurpin | 14 | Son | — | Iowa |
| 23 | Bill Olson | 6 | Son | — | Iowa |
| 24 | Alice De Witt | 16 | Maid | Servant | Iowa |
| 25 | William De Witt | 8 | Son | — | Iowa |
| 26 | Ethel Quakinsbush | 40 | Daughter | Saleslady | Iowa |
| 27 | Illing Lamb | 43 | Lodger | — | Missouri |
| 28 | Alex Robertson | 24 | Lodger | Brakeman | Iowa |
| 29 | Gladys Waters | 30 | Maid | Maid | Iowa |
| 30 | Henry Hain | 59 | Lodger | — | Illinois |
| 31 | Vergil Loop | 23 | Son | Laborer | Iowa |
| 32 | Cecil Loop | 21 | Son | Laborer | Iowa |
| 33 | Bill Nelson | 22 | Son | — | Iowa |
| 34 | Dick Bond | 40 | Head | Secretary | Iowa |
| 35 | Beatrice Bond | 25 | Wife | Secretary | Iowa |
| 36 | Viola Johnson | 23 | Lodger | Stenographer | Iowa |
| 37 | Margaret Johnson | 83 | Lodger | — | Iowa |
| 38 | George Money | 80 | Head | — | Iowa |
| 39 | Mayberry Money | 38 | Daughter | — | Iowa |
| 40 | Nora Hansen | 24 | Lodger | Bookkeeper | Iowa |
Related Census Records
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 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)