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Margaret Donnelly — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Sedgwick-County, Colorado

Our Model Tree links this Margaret Donnelly across the 1930 and 1940 US Censuses in Sedgwick-County, Colorado (XGBoost, ~Confirmed) — first a daughter (b.~1929), then head of a 7-person household.

Age 11 b. ~1929 Female Daughter Born: Colorado Single

1940 Census Record Details

Census Year1940
LocationSedgwick-County, Colorado
SurnameDonnelly
Given NameMargaret A
Relationship to Headdaughter
SexF
Color / RaceWhite
Age11
Marital StatusSingle
BirthplaceColorado
1935 Residence (City)10 V 44 W and 11 N 43 W
1935 Residence (County)Sedgwick
Additional Details
Highest GradeS 5
1935 ResidenceSame place
Birth StateColorado
Birth CountryUnited States
Birthplace (normalized)colorado
Township / Ward10 V 44 W And 11 N 43 W
Est. Birth Year~1929

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.

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

Name Relation to head Relative to Margaret Age Birth yr
Margaret Donnelly Daughter — 11 ~1929
Virginia Donnelly Daughter — 9 ~1931
Eugene Donnelly Son — 7 ~1933
John Donnelly Head — 51 ~1889
Patrick Donnelly Son — 13 ~1927
Dennis Donnelly Son — 17 ~1923
Margaret Donnelly Spouse — 46 ~1894

Census Appearances

1930
Sedgwick, Colorado
Daughter, age 1
Sedgwick, Colorado · implied b. ~1929 — 10 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Donnelly
Given Name Margaret A.
Relationship to Head Daughter
Sex F
Color / Race White
Age 1
Marital Status Single
Birthplace Colorado
Father's Birthplace Illinois
Mother's Birthplace Nebraska
Birth State Colorado
Birth Country United States
Birthplace (normalized) colorado
1940
Sedgwick-County, Colorado
Daughter, age 11
Sedgwick-County, Colorado · implied b. ~1929 — 7 household members
Surname Donnelly
Given Name Margaret A
Relationship to Head daughter
Sex F
Color / Race White
Age 11
Marital Status Single
Birthplace Colorado
1935 Residence (City) 10 V 44 W and 11 N 43 W
1935 Residence (County) Sedgwick
Highest Grade S 5
1935 Residence Same place
Birth State Colorado
Birth Country United States
Birthplace (normalized) colorado

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 Margaret Donnelly across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Margaret Donnelly
Daughter · 1940 · age 11 · b. ~1929 · Colorado
★ You are viewing this record
Sibling
Dennis Donnelly
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patrick Donnelly
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Virginia Donnelly
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eugene Donnelly
Sibling · 1940 · age 7
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 — Sedgwick-County, Colorado Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-00480-00176)

Line Name Age Relation Occupation Birthplace
1 Keith 12 son — Wisconsin
2 Elaine V Keith 11 daughter — Wisconsin
3 John Janous 65 Head Farming Nebraska
4 Roy D Groves 55 Head Farming Iowa
5 Ethel C Groves 53 Wife — Nebraska
6 Ralph H O'Connor 39 Head Farming Nebraska
7 Irma M O'Connor 36 Wife — Nebraska
8 Francis D O'Connor 12 son — Colorado
9 Patsy M O'Connor 11 daughter — Colorado
10 Richard E O'Connor 8 son — Colorado
11 Dona J O'Connor 5 daughter — Colorado
12 Jens O Jensen 53 Head Farming Kansas
13 B Fern Jensen 48 Wife — Nebraska
14 Jens O Jr Jensen 19 son Laborer Colorado
15 Jack E Jensen 17 son Laborer Colorado
16 Donald P Jensen 16 son — Colorado
17 Benjamin F Baker 39 Hired man Laborer Illinois
18 Frank E Janous 49 Head Farming Nebraska
19 Carrie E Janous 31 Wife — Nebraska
20 James E Brogan 40 Head Farming Nebraska
21 Helen M Brogan 37 Wife — Nebraska
22 Evelyn A Brogan 10 daughter — Colorado
23 James E Brogan 9 son — Colorado
24 Eleanor M Brogan 3 daughter — Colorado
25 William T Brogan 1 son — Colorado
26 Christian J Kluth 54 Head Farming Germany
27 L Marie Kluth 49 Wife — Nebraska
28 John C Kluth 60 Head Farming Germany
29 Anna M Kluth 56 Sister — Germany
30 Reka H Kluth 51 Sister — Germany
31 Gilbert G Hanson 39 Head Farming Nebraska
32 Marion Hanson 43 Wife — Nebraska
33 John S Donnelly 51 Head Farming Illinois
34 Margaret M Donnelly 46 Wife — Nebraska
35 Dennis D Donnelly 17 son Farming Colorado
36 Patrick J Donnelly 13 son — Colorado
37 Margaret A Donnelly THIS PERSON 11 daughter — Colorado
38 Virginia R Donnelly 9 daughter — Colorado
39 Eugene L Donnelly 7 son — Colorado
40 Ellen Donnelly 82 Head — Irish Free State

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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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