HP
Harold Parker — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Polk, Iowa
Our Model Tree links this Harold Parker across the 1920 and 1930 US Censuses in Polk, Iowa (XGBoost, ~Confirmed) — first a son (b.~1913), then head of a 8-person household.
Age 17
b. ~1913
Male
Son
Born: Iowa
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Polk, Iowa |
| Surname | Parker |
| Given Name | Harold S |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | England |
| Additional Details | |
| Occupation | Manager |
| Industry | News boys |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Manager |
| Township / Ward | Des Moines City |
| Est. Birth Year | ~1913 |
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.
8 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Harold | Age | Birth yr |
|---|---|---|---|---|
| Ethel Parker | Daughter | — | 15 | ~1915 |
| Elizabeth Parker | Daughter | — | 10 | ~1920 |
| George Parker | Son | — | 13 | ~1917 |
| Rachael Parker | Other | — | 40 | ~1890 |
| Hazel Parker | Daughter | — | 12 | ~1918 |
| Harold Parker | Son | — | 17 | ~1913 |
| Dorothy Parker | Daughter | — | 19 | ~1911 |
| Samuel Parker | Head | — | 43 | ~1887 |
Census Appearances
1920
Polk, Iowa
Son, age 7
Polk, Iowa · implied b. ~1913 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Parker |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Polk, Iowa
Son, age 17
Polk, Iowa · implied b. ~1913 — 8 household members
| Surname | Parker |
| Given Name | Harold S |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | England |
| Occupation | Manager |
| Industry | News boys |
| 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 Parker across 2 US Census years (1920 and 1930) in Polk, Iowa, using XGBoost record linkage.
Show:
This person
Anchor record
Harold Parker
Son · 1930 · age 17 · b. ~1913 · Iowa
★ You are viewing this record
Sibling
George Parker
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ethel Parker
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hazel Parker
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Parker
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Parker
Sibling · 1930 · age 10
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 — Polk, Iowa
Open full size
1930 US Federal Census — Polk, Iowa
Page Contents
48 people indexed on this census page (ia:1930:iowacensus00reel674:0734)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Charles G Brewer | 27 | Head | Salesman | Iowa |
| 52 | Gladys Brewer | 27 | Wife-H | Clerk | Iowa |
| 53 | Violet Osborne | 29 | Boarder | Bookkeeper | Ohio |
| 54 | Clancy R Ferris | 52 | — | — | Illinois |
| 55 | Frank E Mckinn | 59 | Head | Florist | Iowa |
| 56 | Amanda M Mckinn | 60 | Wife-H | — | Kentucky |
| 57 | Sarah A Noland | 78 | Mother-in-law | — | Iowa |
| 58 | Samuel G Parker | 43 | Head | Superintendent | Iowa |
| 59 | Rachael L Parker | 40 | Wife-H | — | England |
| 60 | Dorothy Parker | 19 | Daughter | Clerk | Iowa |
| 61 | Harold S Parker THIS PERSON | 17 | Son | Manager | Iowa |
| 62 | Ethel Parker | 15 | Daughter | — | Iowa |
| 63 | George L Parker | 13 | Son | — | Iowa |
| 64 | Hazel L Parker | 12 | Daughter | — | Iowa |
| 65 | Elizabeth J Parker | 10 | Daughter | — | Iowa |
| 66 | Frank E Epperson | 30 | Head | Salesman | Minnesota |
| 67 | Annetta M Epperson | 29 | Wife-H | — | Iowa |
| 68 | Beverly J Epperson | 2 | Daughter | — | Iowa |
| 69 | William G Read | 35 | Head | Agent | Iowa |
| 70 | Vera Read | 32 | Wife-H | — | Kansas |
| 71 | Adron G Read | 10 | Son | — | Iowa |
| 72 | Charles P Read | 6 | Son | — | Iowa |
| 73 | Emmett L Bond | 30 | Head | Electrician | Missouri |
| 74 | Carrie L Bond | 28 | Wife-H | — | Missouri |
| 75 | Harold J Bond | 10 | Son | — | Missouri |
| 76 | Lloyd H Provitt | 16 | Nephew | — | Missouri |
| 77 | Glen G Conaway | 30 | Head | Salesman | Iowa |
| 78 | Elizabeth E Conaway | 30 | Wife-H | — | Iowa |
| 79 | John H Conaway | 29 | Son | Clerk | Iowa |
| 80 | Helen L Conaway | 22 | Daughter | — | Iowa |
| 81 | Jennie Simpkins | 25 | Daughter | Teacher | Iowa |
| 82 | Thomas O Spencer | 26 | Head | Mechanic | Iowa |
| 83 | Fern L Spencer | 28 | Wife-H | — | Missouri |
| 84 | Maggie Haws | 62 | Head | — | Iowa |
| 85 | William G Haws | 28 | Lodger | Teacher | Missouri |
| 86 | Oliver J Haws | 27 | Lodger | Teacher | Missouri |
| 87 | Ralph S Mchuman | 42 | Head | Salesman | Iowa |
| 88 | Bessie A Mchuman | 44 | Wife-H | — | Iowa |
| 89 | Gilbert G Mchuman | 15 | Son | — | Iowa |
| 90 | Evelyn M Mchuman | 14 | Daughter | — | Iowa |
| 91 | Kenneth L Mchuman | 10 | Son | — | Iowa |
| 92 | Lola B Mchuman | 5 | Daughter | — | Iowa |
| 93 | William H Rosenberger | 46 | Head | Manager | Iowa |
| 94 | Carrie E Rosenberger | 40 | Wife-H | Cook | Iowa |
| 95 | Agnes Rosenberger | 22 | Daughter | Waitress | Iowa |
| 96 | Agnes E M Rosenberger | 19 | Daughter | Waitress | Oregon |
| 97 | William J Rosenberger | 11 | Son | — | Iowa |
| 98 | Pauline P Rosenberger | 6 | Daughter | — | Iowa |
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)