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Florence Cook — 1930 US Census Record

Linked across censuses

1930 United States Federal Census · Sac, Iowa

Our Model Tree links this Florence Cook across the 1920 and 1930 US Censuses in Sac, Iowa (XGBoost, ~Confirmed) — first a daughter (b.~1913), then head of a 8-person household.

Age 17 b. ~1913 Female Daughter Born: South Dakota Single

1930 Census Record Details

Census Year1930
LocationSac, Iowa
SurnameCook
Given NameFlorence
Relationship to HeadDaughter
SexF
Color / RaceWhite
Age17
Marital StatusSingle
BirthplaceSouth Dakota
Father's BirthplaceIowa
Mother's BirthplaceIowa
Additional Details
Can Read/WriteYes
Birth StateSouth Dakota
Birth CountryUnited States
Birthplace (normalized)south dakota
Township / WardLevey Township
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 Florence Age Birth yr
Lawrence Cook Son — 19 ~1911
Floyd Cook Head — 41 ~1889
Clifford Cook Son — 12 ~1918
Harry Cook Son — 16 ~1914
Bernice Cook Daughter — 14 ~1916
Selma Cook Spouse — 40 ~1890
Florence Cook Daughter — 17 ~1913
Lloyd Cook Son — 10 ~1920

Census Appearances

1920
Sac, Iowa
Daughter, age 8
Sac, Iowa · implied b. ~1912 — 8 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Cook
Given Name Florence
Relationship to Head Daughter
Sex F
Color / Race White
Age 8
Marital Status Single
Birthplace South Dakota
Father's Birthplace Iowa
Mother's Birthplace Iowa
Can Read Yes
Can Write Yes
Speaks English Yes
Birth State South Dakota
Birth Country United States
Birthplace (normalized) south dakota
1930
Sac, Iowa
Daughter, age 17
Sac, Iowa · implied b. ~1913 — 8 household members
Surname Cook
Given Name Florence
Relationship to Head Daughter
Sex F
Color / Race White
Age 17
Marital Status Single
Birthplace South Dakota
Father's Birthplace Iowa
Mother's Birthplace Iowa
Can Read/Write Yes
Birth State South Dakota
Birth Country United States
Birthplace (normalized) south dakota

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.
Linked across censuses
Our Model Tree links Florence Cook across 2 US Census years (1920 and 1930) in Sac, Iowa, using XGBoost record linkage.
Show:
This person
Anchor record
Florence Cook
Daughter · 1930 · age 17 · b. ~1913 · Iowa
★ You are viewing this record
Sibling
Harry Cook
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clifford Cook
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lloyd Cook
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bernice Cook
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lawrence Cook
Sibling · 1930 · age 19
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 — Sac, Iowa Open full size

Page Contents

50 people indexed on this census page (ia:1930:iowacensus00reel680:0949)

Line Name Age Relation Occupation Birthplace
1 Herman Westerman 60 Head Farmer Illinois
2 Martha Westerman 47 Wife — Germany
3 August Westerman 24 Son Laborer Iowa
4 Henry Westerman 20 Son Laborer Iowa
5 Alfred Westerman 19 Son Laborer Iowa
6 Roy Westerman 15 Son — Iowa
7 Alvina Westerman 5 Daughter — Iowa
8 Violet Westerman 3 Daughter — Iowa
9 Edna Palm 23 Stepdaughter — Iowa
10 Minnie Palm 17 Stepdaughter — Iowa
11 Mabel Palm 14 Stepdaughter — Iowa
12 Roy Roth 27 Head Farmer Iowa
13 Esther Roth 32 Wife — Iowa
14 Elvin Roth 3 Son — Iowa
15 Eva M. Roth 1 Daughter — Iowa
16 Vern Roth 25 Head Farmer Iowa
17 B. H. Langford 33 Head Farmer Iowa
18 Essie Langford 30 Wife — Iowa
19 Madeline Langford 8 Daughter — Iowa
20 Alice Langford 7 Daughter — Iowa
21 Norbert Langford 6 Son — Iowa
22 Wilbert Langford 5 Son — Iowa
23 John Langford 4 Son — Iowa
24 Mary J. Langford 3 Daughter — Iowa
25 Kenneth Langford 0 Son — Iowa
26 William Nutzmann 52 Head Farmer Iowa
27 Anna Nutzmann 49 Wife — Germany
28 Venetta Nutzmann 7 Daughter — Iowa
29 Frank Onstot 39 Head Farmer Iowa
30 Bertha Onstot 32 Wife — Iowa
31 Burton A. Onstot 11 Son — Nebraska
32 Eileen Onstot 9 Daughter — Nebraska
33 Verla Mae Onstot 8 Daughter — Nebraska
34 Millicent Onstot 6 Daughter — Iowa
35 Marjorie Onstot 5 Daughter — Iowa
36 Frank Jr. Onstot 3 Son — Iowa
37 Harold Onstot 2 Son — Iowa
38 George Abbot 36 Hired Man Laborer Iowa
39 Claudine Abbot 17 Wife — Missouri
40 Henry S. Perry 29 Head Farmer Iowa
41 Martha Perry 24 Wife — Iowa
42 Catherine Perry 0 Daughter — Iowa
43 Floyd Cook 41 Head Farmer Iowa
44 Selma Cook 40 Wife — Iowa
45 Lawrence Cook 19 Son Laborer Iowa
46 Florence Cook THIS PERSON 17 Daughter — South Dakota
47 Harry Cook 16 Son Laborer Iowa
48 Bernice Cook 14 Daughter — Iowa
49 Clifford Cook 12 Son — Iowa
50 Lloyd Cook 10 Son — Iowa

Related Census Records

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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)

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