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Mary Daley — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Howard-County, Iowa

Our Model Tree links this Mary Daley across the 1930 and 1940 US Censuses in Howard-County, Iowa (XGBoost, ~Confirmed) — first a daughter (b.~1923), then head of a 9-person household.

Age 17 b. ~1923 Female Daughter Born: Iowa Single

1940 Census Record Details

Census Year1940
LocationHoward-County, Iowa
SurnameDaley
Given NameMary L.
Relationship to HeadDaughter
SexF
Color / RaceWhite
Age17
Marital StatusSingle
BirthplaceIowa
1935 Residence (City)Howard Center Twp
1935 Residence (County)Howard
Additional Details
Highest GradeH 2
1935 ResidenceSame place
Birth StateIowa
Birth CountryUnited States
Birthplace (normalized)iowa
Township / WardHoward Center Twp
Est. Birth Year~1923

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.

9 people recorded at the same address in the 1940 census.

Name Relation to head Relative to Mary Age Birth yr
Loretta Daley Spouse — 40 ~1900
John Daley Son — 12 ~1928
James Daley Son — 10 ~1930
Ruth Daley Daughter — 14 ~1926
John Daley Head — 50 ~1890
Nellie Daley Daughter — 15 ~1925
William Daley Son — 6 ~1934
Mary Daley Daughter — 17 ~1923
Edna Harris Other — 44 ~1896

Census Appearances

1930
Howard, Iowa
Daughter, age 7
Howard, Iowa · implied b. ~1923 — 7 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Daley
Given Name Mary L.
Relationship to Head Daughter
Sex F
Color / Race White
Age 7
Marital Status Single
Birthplace Iowa
Father's Birthplace Iowa
Mother's Birthplace Iowa
Birth State Iowa
Birth Country United States
Birthplace (normalized) iowa
1940
Howard-County, Iowa
Daughter, age 17
Howard-County, Iowa · implied b. ~1923 — 9 household members
Surname Daley
Given Name Mary L.
Relationship to Head Daughter
Sex F
Color / Race White
Age 17
Marital Status Single
Birthplace Iowa
1935 Residence (City) Howard Center Twp
1935 Residence (County) Howard
Highest Grade H 2
1935 Residence Same place
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.
Linked across censuses
Our Model Tree links Mary Daley across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Daley
Daughter · 1940 · age 17 · b. ~1923 · Iowa
★ You are viewing this record
Sibling
John Daley
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nellie Daley
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Daley
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Daley
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Daley
Sibling · 1940 · age 6
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 — Howard-County, Iowa Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01167-00154)

Line Name Age Relation Occupation Birthplace
1 John J. Daley 50 Head Farmer Iowa
2 Loretta L. Daley 40 Wife Housewife Iowa
3 Mary L. Daley THIS PERSON 17 Daughter — Iowa
4 Nellie K. Daley 15 Daughter — Iowa
5 Ruth E. Daley 14 Daughter — Iowa
6 John R. Daley 12 Son — Iowa
7 James M. Daley 10 Son — Iowa
8 William L. Daley 6 Son — Iowa
9 Edna Harris 44 Sister-in-law Housework Iowa
10 Frank Sr. Krall 71 Head Farmer Czechoslovakia
11 August L. Krall 33 Son Farmer Iowa
12 Edward L. Krall 31 Son Farmer Iowa
13 Elsie C. Krall 29 Daughter Housework Missouri
14 Edward Moldenhauer 45 Head Farmer Iowa
15 John Moldenhauer 44 Head Farmer Iowa
16 Amanda Moldenhauer 46 Wife Housewife Iowa
17 J. T. Rhodes 52 Head Farmer Kansas
18 Anna Jane Rhodes 52 Wife Housewife Iowa
19 Benjamin J. Rhodes 18 Son — Colorado
20 Vera V. Rhodes 15 Daughter — Kansas
21 Agnes E. Rhodes 13 Daughter — Minn
22 Frank Drtina 69 Head Farmer Czechoslovakia
23 Mary J. Drtina 65 Wife Housewife Iowa
24 Leo Balk 45 Employee Employee Iowa
25 A. J. Mohs 42 Head Farmer Iowa
26 Nellie Mae Mohs 39 Wife Housewife Iowa
27 Donald C. Mohs 12 Son — Iowa
28 Wilma E. Mohs 10 Daughter — Iowa
29 Donna Mae Mohs 7 Daughter — Iowa
30 John Brackin 56 Head Farmer Iowa
31 Louise L. Brackin 54 Wife Housewife Iowa
32 Frank L. Brackin 26 Son Employee Iowa
33 Irvin L. Brackin 22 Son Employee Iowa
34 John Jr. Brackin 18 Son Employee Iowa
35 Verna E. Brackin 16 Daughter Employee Iowa
36 Clarence C. Brackin 14 Son Employee Iowa
37 Richard L. Brackin 12 Son — Wisconsin
38 Bonnie Lee Brackin 5 Daughter — Iowa
39 George Drtina 27 Head Farmer Ill
40 Helen M. Drtina 24 Wife Housewife Iowa

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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)

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