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Charles Harmon — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Polk, Iowa
Our Model Tree links this Charles Harmon across the 1930 and 1940 US Censuses in Polk, Iowa (XGBoost, ~Confirmed) — first a head (b.~1887), then head of a 10-person household.
Age 43
b. ~1887
Male
Head
Born: Kansas
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Polk, Iowa |
| Surname | Harmon |
| Given Name | Charles M. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Kansas |
| Age at First Marriage | 24 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | Agent |
| Industry | Insurance |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 6000 |
| Radio Set | R |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
| Occupation | Agent |
| Township / Ward | Des Moines City |
| Est. Birth Year | ~1887 |
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.
10 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Charles | Age | Birth yr |
|---|---|---|---|---|
| Charles Harmon | Son | — | 10 | ~1920 |
| Neva Harmon | Spouse | — | 40 | ~1890 |
| Doris Harmon | Daughter | — | 15 | ~1915 |
| Mabel Mcdaniel | Other | — | 44 | ~1886 |
| George Harmon | Son | — | 12 | ~1918 |
| Marie Harmon | Daughter | — | 5 | ~1925 |
| Charlotte Harmon | Daughter | — | 10 | ~1920 |
| Lucile Harmon | Daughter | — | 17 | ~1913 |
| Charles Harmon | Head | — | 43 | ~1887 |
| Grace Harmon | Daughter | — | 12 | ~1918 |
Census Appearances
1930
Polk, Iowa
Head, age 43
Polk, Iowa · implied b. ~1887 — 10 household members
| Surname | Harmon |
| Given Name | Charles M. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Kansas |
| Age at First Marriage | 24 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Agent |
| Industry | Insurance |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 6000 |
| Radio Set | R |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1940
Polk-County, Iowa
Head, age 53
Polk-County, Iowa · implied b. ~1887 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harmon |
| Given Name | Chas. M. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Kansas |
| 1935 Residence (City) | Des Moines City |
| 1935 Residence (County) | Polk |
| Occupation | Interviewer |
| Industry | State Employ Ser |
| Class of Worker | GW |
| Hours Worked | 44 |
| Income (1939) | 1740 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
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 Charles Harmon across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Charles Harmon
Head · 1930 · age 43 · b. ~1887 · Iowa
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Polk, Iowa
Open full size
1930 US Federal Census — Polk, Iowa
Page Contents
46 people indexed on this census page (ia:1930:iowacensus00reel675:0876)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Andrew Hoffman | 63 | Head | Locomotive Fireman | Ohio |
| 52 | Edith Hoffman | 64 | Wife | None | Iowa |
| 53 | Alice Hoffman | 14 | Daughter | None | Iowa |
| 54 | Lewis H. Williams | 66 | Head | Boiler-Maker | Wales |
| 55 | Rosa Williams | 64 | Wife | None | England |
| 56 | Bertha A. Williams | 38 | Daughter | None | Illinois |
| 57 | Rosa Williams | 36 | Daughter | None | Illinois |
| 58 | Owen J. Williams | 31 | Son | Machinist | Missouri |
| 59 | Hazel L. Williams | 25 | Daughter-in-law | None | Iowa |
| 60 | George M. Case | 28 | Head | Realtor | Indiana |
| 61 | Martha E. Case | 27 | Wife | None | Ohio |
| 62 | Henry W. Messer | 50 | Head | Commercial Traveler | Illinois |
| 63 | Rosa G. Messer | 51 | Wife | None | Iowa |
| 64 | Harry J. Messer | 25 | Son | Machinist | Iowa |
| 65 | Leona Messer | 26 | Daughter-in-law | None | Iowa |
| 66 | Grace Messer | 20 | Daughter | Mailing Dept. | Iowa |
| 67 | Charles M. Harmon THIS PERSON | 43 | Head | Agent | Kansas |
| 68 | Neva P. Harmon | 40 | Wife | None | Missouri |
| 69 | Lucile Harmon | 17 | Daughter | None | Missouri |
| 70 | Doris E. Harmon | 15 | Daughter | None | Missouri |
| 71 | George Harmon | 12 | Son | None | Kansas |
| 72 | Grace Harmon | 12 | Daughter | None | Kansas |
| 73 | Charles Harmon | 10 | Son | None | Iowa |
| 74 | Charlotte Harmon | 10 | Daughter | None | Iowa |
| 75 | Marie Harmon | 5 | Daughter | None | Iowa |
| 76 | Mabel E. Mcdaniel | 44 | Sister-in-law | Private Secretary | Missouri |
| 77 | John A. Thompson | 63 | Head | Boilermaker | New York |
| 78 | Mary Thompson | 74 | Wife | None | Wales |
| 79 | Charles F. Thompson | 34 | Son | Boilermaker Helper | Illinois |
| 80 | Ruth E. Thompson | 25 | Daughter-in-law | None | Iowa |
| 81 | Charles D. Thompson | 1 | Son | None | Iowa |
| 82 | Robert G. Oliver | 57 | Head | Locomotive Engineer | Missouri |
| 83 | Elsie M. Oliver | 50 | Wife | None | England |
| 84 | Grace G. Oliver | 19 | Daughter | None | Iowa |
| 85 | Ellen J. Oliver | 16 | Daughter | None | Iowa |
| 86 | Clifton W. Oliver | 11 | Son | None | Iowa |
| 87 | Gerald L. Bagg | 31 | Head | Machinist | Iowa |
| 88 | Thelma L. Bagg | 30 | Wife | None | Iowa |
| 89 | Robert H. Bagg | 8 | Son | None | Iowa |
| 90 | William G. Bagg | 2 | Son | None | Iowa |
| 91 | Ray Corlett | 47 | Head | Assistant Chief Clerk | Wisconsin |
| 92 | Lillian Corlett | 35 | Wife | None | Illinois |
| 93 | Ray Corlett | 10 | Son | None | Wisconsin |
| 94 | Lilia C. Wadding | 55 | Head | Clergyman | Pennsylvania |
| 95 | Janet Wadding | 51 | Wife | None | Iowa |
| 96 | Esther Wadding | 15 | Daughter | None | Iowa |
Related Census Records
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)