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Dorothy Long — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Montgomery-County, Ohio

Our Model Tree links this Dorothy Long across the 1930 and 1940 US Censuses in Montgomery-County, Ohio (XGBoost, ~Confirmed) — first a daughter (b.~1927), then head of a 9-person household.

Age 13 b. ~1927 Female Daughter Born: Ohio Single

1940 Census Record Details

Census Year1940
LocationMontgomery-County, Ohio
SurnameLong
Given NameDorothy J.
Relationship to HeadDaughter
SexF
Color / RaceWhite
Age13
Marital StatusSingle
BirthplaceOhio
1935 Residence (City)Dayton City
1935 Residence (County)MONTGOMERY
Additional Details
Highest Grade6
1935 ResidenceSame Place
Birth StateOhio
Birth CountryUnited States
Birthplace (normalized)ohio
Township / WardDayton City
Est. Birth Year~1927

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 Dorothy Age Birth yr
Mary Long Daughter — 14 ~1926
Virginia Long Daughter — 10 ~1930
Charles Long Son — 16 ~1924
Janet Long Daughter — 8 ~1932
Mary Long Spouse — 34 ~1906
Betty Long Daughter — 18 ~1922
Dorothy Long Daughter — 13 ~1927
Charles Long Head — 54 ~1886
Cornelia Long Daughter — 11 ~1929

Census Appearances

1930
Montgomery, Ohio
Daughter, age 3
Montgomery, Ohio · implied b. ~1927 — 8 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Long
Given Name Dorothy J
Relationship to Head Daughter
Sex F
Color / Race White
Age 3
Marital Status Single
Birthplace Ohio
Father's Birthplace Ohio
Mother's Birthplace Ohio
Birth State Ohio
Birth Country United States
Birthplace (normalized) ohio
1940
Montgomery-County, Ohio
Daughter, age 13
Montgomery-County, Ohio · implied b. ~1927 — 9 household members
Surname Long
Given Name Dorothy J.
Relationship to Head Daughter
Sex F
Color / Race White
Age 13
Marital Status Single
Birthplace Ohio
1935 Residence (City) Dayton City
1935 Residence (County) MONTGOMERY
Highest Grade 6
1935 Residence Same Place
Birth State Ohio
Birth Country United States
Birthplace (normalized) ohio

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 Dorothy Long across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Dorothy Long
Daughter · 1940 · age 13 · b. ~1927 · Ohio
★ You are viewing this record
Sibling
Betty Long
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Virginia Long
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Janet Long
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Long
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Long
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Cornelia Long
Sibling · 1940 · age 11
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 — Montgomery-County, Ohio Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-03254-00126)

Line Name Age Relation Occupation Birthplace
1 Ruth M. Murray 18 Daughter Bingo Clerk Connecticut
2 Marion M. L. Murray 16 Daughter — New York
3 Theodora F. Murray 13 Daughter — Ohio
4 Rose A. Slaton 32 Head Inspector Kentucky
5 Harold A. Slaton 15 Son — Kentucky
6 Donald R. Slaton 11 Son — Ohio
7 John A. Taylor 21 Brother Machine Hand Kentucky
8 Earl E. Cole 39 Head Truck Driver Ohio
9 Mabel B. Cole 37 Wife — Ohio
10 Robert D. Cole 17 Son — Ohio
11 James E. Cole 20 Son Attendant Ohio
12 Julia Cole 20 Daughter — Ohio
13 George W. Price 64 Head — Ohio
14 Amelia Price 65 Wife — Canada
15 Imogene Price 29 Daughter Typist Ohio
16 Melvin King 22 Roomer Printer'S Apprentice Ohio
17 Charles A. Long 54 Head Labor Ohio
18 Mary Long 34 Wife — Ohio
19 Betty M. Long 18 Daughter Matron Ohio
20 Charles A. Long 16 Son — Ohio
21 Mary L. Long 14 Daughter — Ohio
22 Dorothy J. Long THIS PERSON 13 Daughter — Ohio
23 Cornelia J. Long 11 Daughter — Ohio
24 Virginia Long 10 Daughter — Ohio
25 Janet O. Long 8 Daughter — Ohio
26 John H. Peebles 28 Head Labor Alabama
27 Rosella Peebles 29 Wife — Alabama
28 Melestine Peebles 10 Daughter — Illinois
29 John Henry Peebles 9 Son — Ohio
30 James Edwin Peebles 6 Son — Ohio
31 Allene Peebles 4 Daughter — Ohio
32 Lillian Peebles 2 Daughter — Ohio
33 Arthur Crawford 34 Head Labor Alabama
34 Gertrude P. Crawford 27 Wife — Alabama
35 William Wade 41 Head Automobile Washer West Virginia
36 Cleo Wade 39 Wife Laundress Kentucky
37 John C. Burney 47 Head — Alabama
38 Mattie V. Burney 33 Wife — Alabama
39 Jessie L. Burney 16 Son — Alabama
40 Louis H. Jordan 25 Son-in-law Labor Ohio

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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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