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Mary Kirby — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Shenandoah-County, Virginia

Our Model Tree links this Mary Kirby across the 1930 and 1940 US Censuses in Shenandoah-County, Virginia (XGBoost, ~Confirmed) — first a daughter (b.~1928), then head of a 9-person household.

Age 12 b. ~1928 Female Daughter Born: Virginia Single

1940 Census Record Details

Census Year1940
LocationShenandoah-County, Virginia
SurnameKirby
Given NameMary F
Relationship to HeadDaughter
SexF
Color / RaceWhite
Age12
Marital StatusSingle
BirthplaceVirginia
1935 Residence (City)Stonewall District
1935 Residence (County)Shen Co.
Additional Details
Highest Grade5
1935 ResidenceSame place
Birth StateVirginia
Birth CountryUnited States
Birthplace (normalized)virginia
Township / WardStonewall District
Est. Birth Year~1928

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
Vernon Kirby Son — 16 ~1924
Allan Kirby Son — 10 ~1930
Charlotte Kirby Daughter — 5 ~1935
Edna Kirby Spouse — 41 ~1899
Mary Kirby Daughter — 12 ~1928
Norma Kirby Daughter — ~1940
Gladys Kirby Daughter — 14 ~1926
Vernon Kirby Head — 61 ~1879
Anna Kirby Daughter — 3 ~1937

Census Appearances

1930
Shenandoah, Virginia
Daughter, age 1
Shenandoah, Virginia · implied b. ~1929 — 9 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Kirby
Given Name Mark F.
Relationship to Head Daughter
Sex F
Color / Race White
Age 1
Marital Status Single
Birthplace Virginia
Father's Birthplace Virginia
Mother's Birthplace Virginia
Birth State Virginia
Birth Country United States
Birthplace (normalized) virginia
1940
Shenandoah-County, Virginia
Daughter, age 12
Shenandoah-County, Virginia · implied b. ~1928 — 9 household members
Surname Kirby
Given Name Mary F
Relationship to Head Daughter
Sex F
Color / Race White
Age 12
Marital Status Single
Birthplace Virginia
1935 Residence (City) Stonewall District
1935 Residence (County) Shen Co.
Highest Grade 5
1935 Residence Same place
Birth State Virginia
Birth Country United States
Birthplace (normalized) virginia

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 Kirby across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Kirby
Daughter · 1940 · age 12 · b. ~1928 · Virginia
★ You are viewing this record
Sibling
Anna Kirby
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gladys Kirby
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Norma Kirby
Sibling · 1940 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charlotte Kirby
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Vernon Kirby
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Allan Kirby
Sibling · 1940 · age 10
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 — Shenandoah-County, Virginia Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-04294-00568)

Line Name Age Relation Occupation Birthplace
41 Cecil K Mauck 26 Head Garage Virginia
42 Kathlyn N Mauck 23 Wife — Virginia
43 Roxie L Mauck 3 Daughter — Virginia
44 Carroll K Mauck 0 Son — Virginia
45 Vernon R Kirby 61 Head Farming Virginia
46 Edna L Kirby 41 Wife — Virginia
47 Vernon L Kirby 16 Son Farming Virginia
48 Gladys L Kirby 14 Daughter — Virginia
49 Mary F Kirby THIS PERSON 12 Daughter — Virginia
50 Allan L Kirby 10 Son — Virginia
51 Charlotte L Kirby 5 Daughter — Virginia
52 Anna A Kirby 3 Daughter — Virginia
53 Norma J Kirby 0 Daughter — Virginia
54 James B. O. Wisman 65 Head Farming Virginia
55 Julia K Wisman 29 Wife — Virginia
56 William L Wisman 2 Son — Virginia
57 Yvonne L Wisman 1 Daughter — Virginia
58 Braden L Neff 40 Head Laborer Virginia
59 Emma L Neff 38 Wife — Virginia
60 Paul L Neff 10 Son — Virginia
61 Audra L Neff 8 Daughter — Virginia
62 Robert L Neff 6 Son — Virginia
63 Bryan A Hepner 41 Head Farming Virginia
64 Eula M Hepner 42 Wife — Virginia
65 James A Hepner 9 Son — Virginia
66 Samuel L Hepner 8 Son — Virginia
67 James W Walden 18 Brother in law Labor Georgia
68 Ernest A Copp 25 Head Farming Virginia
69 Rosa F Copp 23 Wife — Virginia
70 Martha F Copp 1 Daughter — Virginia
71 Bessie L Coffelt 42 Mother in law — Virginia
72 Benjamin F Coffelt 16 Brother in law Harness Maker Virginia
73 Fred S Coffelt 13 Brother in law — Virginia
74 Perry E Slealy 59 Head Ministry South Carolina
75 Pearl M Slealy 45 Wife — South Carolina
76 Bess L Boehm 54 Head — Virginia
77 Minnie V Oatts 33 Head — Virginia
78 Charlotte V Oatts 8 Daughter — Virginia
79 Ruby L Oatts 4 Son — Virginia
80 Linford W Oatts 2 Son — Virginia

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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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