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Kathleen Smith — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Las-Animas-County, Colorado

Our Model Tree links this Kathleen Smith across the 1930 and 1940 US Censuses in Las-Animas-County, Colorado (XGBoost, ~Confirmed) — first a daughter (b.~1923), then head of a 8-person household.

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

1940 Census Record Details

Census Year1940
LocationLas-Animas-County, Colorado
SurnameSmith
Given NameKathleen
Relationship to HeadDaughter
SexF
Color / RaceWhite
Age17
Marital StatusSingle
BirthplaceColorado
1935 Residence (City)Delagua
1935 Residence (County)Las Animas
Additional Details
OccupationS
Industry6
Highest GradeHs 2
1935 ResidenceColorado
Birth StateColorado
Birth CountryUnited States
Birthplace (normalized)colorado
OccupationS
Township / WardTrinidad City
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.

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

Name Relation to head Relative to Kathleen Age Birth yr
Evelyn Smith Daughter — 11 ~1929
William Smith Son — 16 ~1924
Dorothy Smith Daughter — 8 ~1932
Gilbert Smith Son — 2 ~1938
Lucy Smith Spouse — 36 ~1904
Albert Smith Other — 69 ~1871
Alice Smith Daughter — 9 ~1931
Kathleen Smith Daughter — 17 ~1923

Census Appearances

1930
Las Animas, …
Daughter, age 7
Las Animas, Colorado · implied b. ~1923 — 5 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Smith
Given Name Kathaleen
Relationship to Head Daughter
Sex F
Color / Race White
Age 7
Marital Status Single
Birthplace Colorado
Father's Birthplace England
Mother's Birthplace England
Birth State Colorado
Birth Country United States
Birthplace (normalized) colorado
1940
Las-Animas-County, Colorado
Daughter, age 17
Las-Animas-County, Colorado · implied b. ~1923 — 8 household members
Surname Smith
Given Name Kathleen
Relationship to Head Daughter
Sex F
Color / Race White
Age 17
Marital Status Single
Birthplace Colorado
1935 Residence (City) Delagua
1935 Residence (County) Las Animas
Occupation S
Industry 6
Highest Grade Hs 2
1935 Residence Colorado
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 Kathleen Smith across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Kathleen Smith
Daughter · 1940 · age 17 · b. ~1923 · Colorado
★ You are viewing this record
Sibling
Alice Smith
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Evelyn Smith
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gilbert Smith
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Smith
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Smith
Sibling · 1940 · age 8
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 — Las-Animas-County, Colorado Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-00468-00883)

Line Name Age Relation Occupation Birthplace
1 Lucy Smith 36 Wife H England
2 Kathleen Smith THIS PERSON 17 Daughter S Colorado
3 William Smith 16 Son S Colorado
4 Evelyn Smith 11 Daughter S Colorado
5 Alice Smith 9 Daughter S Colorado
6 Dorothy Smith 8 Daughter S Colorado
7 Gilbert Smith 2 Son — Colorado
8 Albert Smith 69 Father Miner England
9 Charles Battu 29 Head Mechanic Colorado
10 Irene Battu 26 Wife H Colorado
11 Marie Battu 5 Daughter — Colorado
12 Barbara Battu 2 Daughter — Colorado
13 Frank Madonna 37 Head Salesman Colorado
14 Mildred Madonna 30 Wife H Colorado
15 Geraldine Madonna 6 Daughter — Colorado
16 Shirley Madonna 4 Daughter — Colorado
17 Norma Madonna 3 Daughter — Colorado
18 Frank Presti 33 Head Manager Colorado
19 Kathryn Presti 33 Wife H Colorado
20 Susanne Presti 3 Daughter — Colorado
21 Kathleen Presti 0 Daughter — Colorado
22 Domenic Leone 40 Head Road Contractor Italy
23 Mary Leone 35 Wife Bookkeeper Colorado
24 John V Leone 15 Son — Colorado
25 John Leone 55 Head Shovel Operator Italy
26 Margaret Leone 34 Wife H Italy
27 Julio Coppa 48 Head Laborer Italy
28 Louise Coppa 10 Daughter S Colorado
29 Ben Grego 46 Head Laborer Colorado
30 Eloisa Grego 37 Wife H Colorado
31 Pete Grego 21 Son S Colorado
32 Beatrice Grego 19 Daughter S Colorado
33 Rogers B Grego 5 Son — Colorado
34 Ramona Grego 3 Daughter — Colorado
35 Johnie Grego 0 Son — Colorado
36 John Santistevan 23 Son-in-law H Colorado
37 Della Santistevan 19 Daughter H Colorado
38 Arthur Santistevan 1 Grandson — Colorado
39 Dominick Biara 72 Head U Italy
40 Marie Biara 67 Wife H Italy

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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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