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Florence Clark — 1930 US Census Record
Model Tree available1930 United States Federal Census · Polk, Iowa
Our Model Tree links this Florence Clark across the 1900, 1910, 1920 and 1930 US Censuses in Polk, Iowa (XGBoost, ~Confirmed), with identified parents Henry & Henry — first a daughter (b.~1897), then head of a 5-person household.
Age 33
b. ~1897
Female
Daughter
Born: Iowa
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Polk, Iowa |
| Surname | Clark |
| Given Name | Florence A |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Additional Details | |
| Occupation | Nurse |
| Industry | Practical |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Nurse |
| Township / Ward | Des Moines City |
| Est. Birth Year | ~1897 |
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.
5 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Florence | Age | Birth yr |
|---|---|---|---|---|
| Ora Clark | Daughter | — | 35 | ~1895 |
| Florence Clark | Daughter | — | 33 | ~1897 |
| Henry Clark | Head | — | 74 | ~1856 |
| Agnes Clark | Other | — | 64 | ~1866 |
| Charles Clark | Son | — | 23 | ~1907 |
Census Appearances
1900
Polk, Iowa
Daughter, age 4
Polk, Iowa · implied b. ~1896 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Florence |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Iowa |
| Birth Month | Sept |
| Birth Year | 1896 |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1910
Polk, Iowa
Daughter, age 13
Polk, Iowa · implied b. ~1897 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Florence U. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1920
Polk, Iowa
Daughter, age 23
Polk, Iowa · implied b. ~1897 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Florence A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | Auditing Clerk |
| Industry | Insurance Co. |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Polk, Iowa
Daughter, age 33
Polk, Iowa · implied b. ~1897 — 5 household members
| Surname | Clark |
| Given Name | Florence A |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | Nurse |
| Industry | Practical |
| 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 Florence Clark across 4 US Census years (1900, 1910, 1920 and 1930) in Polk, Iowa, using XGBoost record linkage. Identified parents: father Henry Clark (~0.92 confidence) and father Henry Clark (~0.92 confidence) and mother Ida Clark (~0.92 confidence) and mother Agnes Clark (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Henry Clark
b. ~1857
Source father
● Household
· direct · ~0.92
Father
Henry Clark
b. ~1862
Source father
● Household
· direct · ~0.92
Mother
Ida Clark
b. ~1866
Source mother
● Household
· direct · ~0.92
Mother
Agnes Clark
b. ~1867
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Florence Clark
Daughter · 1930 · age 33 · b. ~1897 · Iowa
★ You are viewing this record
Sibling
Ora Clark
Sibling · 1930 · age 35
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Clark
Sibling · 1930 · age 23
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
50 people indexed on this census page (ia:1930:iowacensus00reel677:0704)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | James D Gray | 23 | Head | Assembling | Iowa |
| 52 | Hellen C Gray | 19 | Wife-H | — | Missouri |
| 53 | James E Gray | 2 | Daughter | — | Iowa |
| 54 | Roy L Taylor | 21 | Head | Driver | Iowa |
| 55 | Ada L Taylor | 20 | Wife-H | — | Nebraska |
| 56 | Beverly R Taylor | 2 | Daughter | — | Iowa |
| 57 | James G Orange | 46 | Head | Laborer | Iowa |
| 58 | Katherine M Orange | 48 | Wife-H | — | Iowa |
| 59 | Dorothy B Orange | 21 | Daughter | Clerical | Iowa |
| 60 | Malissa Brown | 76 | M-in-law | — | Indiana |
| 61 | Samuel Insley | 50 | Head | Miner | Missouri |
| 62 | James Hayes | 44 | Head | Lineman | Tennessee |
| 63 | Charles E Hayes | 9 | Son | — | Iowa |
| 64 | Laura G Hayes | 7 | Daughter | — | Iowa |
| 65 | Elmer J Barker | 34 | Head | Truck Driver | Missouri |
| 66 | Mildred V Barker | 33 | Wife-H | — | Kansas |
| 67 | Elmer B Barker | 11 | Son | — | Kansas |
| 68 | Viola D Barker | 9 | Daughter | — | Iowa |
| 69 | Agnes E Barker | 8 | Daughter | — | Iowa |
| 70 | Louisa Reynolds | 45 | Lodger | Day Work | Alabama |
| 71 | Harry Gentry | 38 | Head | Yard Man | Illinois |
| 72 | Clark P Cady | 52 | Head | Miner | Iowa |
| 73 | Katherine E Cady | 50 | Wife-H | — | Iowa |
| 74 | John A Mcnally | 24 | Step-son | Baker | Iowa |
| 75 | Clara F Mcnally | 54 | Step-dau | Laborer | Iowa |
| 76 | Cynthia Cady | 84 | Head | — | Iowa |
| 77 | Charles S Cady | 54 | Son | Laborer | Iowa |
| 78 | Henry S Clark | 74 | Head | Carpenter | Iowa |
| 79 | Agnes Clark | 64 | Wife-H | — | Iowa |
| 80 | Ora J Clark | 35 | Daughter | Nurse | Iowa |
| 81 | Florence A Clark THIS PERSON | 33 | Daughter | Nurse | Iowa |
| 82 | Charles A Clark | 23 | Son | — | Iowa |
| 83 | Andrew E Carlson | 53 | Head | Laborer | Sweden |
| 84 | Hulda E Carlson | 54 | Wife-H | — | Sweden |
| 85 | Amil R Carlson | 22 | Son | Bk Keeper | Iowa |
| 86 | Virginia R Carlson | 19 | Daughter | Operator | Iowa |
| 87 | Grace V Carlson | 17 | Daughter | — | Iowa |
| 88 | Alice M Carlson | 13 | Daughter | — | Iowa |
| 89 | William Nickham | 41 | Head | Fireman | United States |
| 90 | Faye L Nickham | 40 | Wife-H | — | Washington |
| 91 | Hallen Robert D Nickham | 19 | Step-son | Dental Laboratory | Iowa |
| 92 | Agnes M Nickham | 16 | Step-dau | — | Iowa |
| 93 | Paul H Strager | 21 | Head | Clerk | Iowa |
| 94 | Leta M Strager | 20 | Wife-H | — | Iowa |
| 95 | Beverly J Strager | 0 | Daughter | — | Iowa |
| 96 | Claude W Gates | 30 | Head | Steam Fitter | Iowa |
| 97 | Kathleen M Gates | 26 | Wife-H | Typist | Iowa |
| 98 | John D Gates | 5 | Son | — | Iowa |
| 99 | Joseph D Gates | 2 | Son | — | Iowa |
| 100 | — | None | — | — | — |
Related Census Records
Pedigree Summary
Florence + 2 siblings
Gen 1 · 4 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)