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Mary Dempsey — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Dekalb-County, Georgia

Our Model Tree links this Mary Dempsey across the 1930 and 1940 US Censuses in Dekalb-County, Georgia (XGBoost, ~Confirmed) — first a daughter (b.~1925), then head of a 9-person household.

Age 15 b. ~1925 Female Daughter Born: Georgia Single

1940 Census Record Details

Census Year1940
LocationDekalb-County, Georgia
SurnameDempsey
Given NameMary Lou
Relationship to HeadDaughter
SexF
Color / RaceWhite
Age15
Marital StatusSingle
BirthplaceGeorgia
1935 Residence (City)M.D. 531 Dist Decatur Dist.
1935 Residence (County)DeKalb
Additional Details
Highest GradeS
1935 ResidenceSame place
Birth StateGeorgia
Birth CountryUnited States
Birthplace (normalized)georgia
Township / WardMd 531 Dist Decatur Dist
Est. Birth Year~1925

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
J Dempsey Son — 28 ~1912
Mary Dempsey Daughter — 15 ~1925
John Dempsey Son — 26 ~1914
Aline Dempsey Daughter — 15 ~1925
Preston Dempsey Head — 52 ~1888
Sena Dempsey Spouse — 51 ~1889
Ruby Dempsey Daughter — 24 ~1916
Wyatt Granger Other — 61 ~1879
Corine Dempsey Daughter — 15 ~1925

Census Appearances

1930
Dekalb, Georgia
Daughter, age 5
Dekalb, Georgia · implied b. ~1925 — 4 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Dempsey
Given Name Mary R
Relationship to Head Daughter
Sex F
Color / Race White
Age 5
Marital Status Single
Birthplace Georgia
Father's Birthplace Georgia
Mother's Birthplace Georgia
Occupation none
Can Read/Write No
Birth State Georgia
Birth Country United States
Birthplace (normalized) georgia
1940
Dekalb-County, Georgia
Daughter, age 15
Dekalb-County, Georgia · implied b. ~1925 — 9 household members
Surname Dempsey
Given Name Mary Lou
Relationship to Head Daughter
Sex F
Color / Race White
Age 15
Marital Status Single
Birthplace Georgia
1935 Residence (City) M.D. 531 Dist Decatur Dist.
1935 Residence (County) DeKalb
Highest Grade S
1935 Residence Same place
Birth State Georgia
Birth Country United States
Birthplace (normalized) georgia

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 Dempsey across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Dempsey
Daughter · 1940 · age 15 · b. ~1925 · Georgia
★ You are viewing this record
Sibling
Corine Dempsey
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Dempsey
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruby Dempsey
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
J Dempsey
Sibling · 1940 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Aline Dempsey
Sibling · 1940 · age 15
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 — Dekalb-County, Georgia Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-00664-00718)

Line Name Age Relation Occupation Birthplace
41 Sam Harvey 95 Head — Georgia
42 Preston H Dempsey 52 Head Car Loader Georgia
43 Sena Dempsey 51 Wife Spinner Georgia
44 J. W. Dempsey 28 Son — Georgia
45 John Dempsey 26 Son — Georgia
46 Ruby Dempsey 24 Daughter — Georgia
47 Mary Lou Dempsey THIS PERSON 15 Daughter — Georgia
48 Aline Dempsey 15 Daughter — Georgia
49 Corine Dempsey 15 Daughter — Georgia
50 Wyatt Granger 61 Son-in-law Winder Georgia
51 Luther O. Forrester 52 Head Weaver Georgia
52 Leila Forrester 47 Wife Spinner Georgia
53 Mildred Hayes 18 Cousin Housekeeper Georgia
54 John Kendall 45 Head Clerk Georgia
55 Sena Kendall 47 Wife — Georgia
56 David Dawson 61 Head Spinning Foreman Georgia
57 Pink Dawson 54 Wife — Georgia
58 Helen Dawson 15 Daughter — Georgia
59 George H. Brooks 31 Son-in-law Dyer Georgia
60 Rosalie Brooks 28 Daughter — Georgia
61 Roy Brooks 5 Son — Georgia
62 Rita Mae Brooks 2 Daughter — Georgia
63 George Brooks 0 Son — Georgia
64 E. T. Bird 50 Head Watchman Georgia
65 Mae Bird 49 Wife — Georgia
66 Walter Bird 19 Son Painter Georgia
67 Ray Wallace 33 Son-in-law Surveyor Georgia
68 Irene Wallace 27 Daughter Stenographer Georgia
69 Mary Wallace 1 Daughter — Georgia
70 Clara Bird 81 Mother — Georgia
71 Clarence Johnson 40 Head Washer Georgia
72 Gertrude Johnson 39 Wife — Georgia
73 Clarence Jr. Johnson 12 Son — Georgia
74 Irma Johnson 11 Daughter — Georgia
75 F. C. Johnson 4 Son — Georgia
76 Thomas Johnson 2 Son — Georgia
77 Paul Elaine 52 Head Laundress Georgia
78 Clyde Elaine 24 Son Gardner Georgia
79 Horace Elaine 19 Son Porter Georgia
80 Elsie Elaine 26 Daughter House Maid Georgia

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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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