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Mary Ball — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Pierce-County, Washington

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

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

1940 Census Record Details

Census Year1940
LocationPierce-County, Washington
SurnameBall
Given NameMary Ellen
Relationship to HeadDaughter
SexF
Color / RaceWhite
Age12
Marital StatusSingle
BirthplaceWashington
1935 Residence (City)Tacoma
1935 Residence (County)Pierce
Additional Details
Income (1939)0
Highest GradeG-5
1935 ResidenceSame place
Birth StateWashington
Birth CountryUnited States
Birthplace (normalized)washington
Township / WardTacoma
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
Francis Ball Daughter — 15 ~1925
Tonie Ball Daughter — 13 ~1927
Thelma Ball Daughter — 17 ~1923
Delores Ball Daughter — 9 ~1931
Dorothy Ball Daughter — 6 ~1934
Mary Ball Daughter — 12 ~1928
Harry Ball Head — 46 ~1894
Henry Ball Son — 19 ~1921
Jessie Ball Spouse — 42 ~1898

Census Appearances

1930
Pierce, Washington
Daughter, age 2
Pierce, Washington · implied b. ~1928 — 8 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Ball
Given Name Mary Ellen
Relationship to Head Daughter
Sex F
Color / Race White
Age 2
Marital Status Single
Birthplace Washington
Father's Birthplace Iowa
Mother's Birthplace New-York
Birth State Washington
Birth Country United States
Birthplace (normalized) washington
1940
Pierce-County, Washington
Daughter, age 12
Pierce-County, Washington · implied b. ~1928 — 9 household members
Surname Ball
Given Name Mary Ellen
Relationship to Head Daughter
Sex F
Color / Race White
Age 12
Marital Status Single
Birthplace Washington
1935 Residence (City) Tacoma
1935 Residence (County) Pierce
Income (1939) 0
Highest Grade G-5
1935 Residence Same place
Birth State Washington
Birth Country United States
Birthplace (normalized) washington

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 Ball across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Ball
Daughter · 1940 · age 12 · b. ~1928 · Washington
★ You are viewing this record
Sibling
Dorothy Ball
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Delores Ball
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Ball
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Tonie Ball
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Henry Ball
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thelma Ball
Sibling · 1940 · age 17
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 — Pierce-County, Washington Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-04389-00007)

Line Name Age Relation Occupation Birthplace
1 Clara Skidmore 47 Wife — Wisconsin
2 Robert Skidmore 18 Son — Washington
3 Marshall Skidmore 15 Son — Washington
4 George O. Mason 50 Head Proprietor Iowa
5 Jean Baker 17 Granddaughter — Washington
6 Ida Ottenheimer 66 Head — Germany
7 — None — — —
8 Paul Law 35 Head Musician Kansas
9 Virgil Law 16 Son — Kansas
10 Donald Law 13 Son — Kansas
11 John Law 12 Son — Texas
12 Patsy Law 7 Daughter — Colorado
13 Wanda Law 5 Daughter — Washington
14 Barbara Law 2 Daughter — Washington
15 John E. Law 40 Lodger Musician Kansas
16 Helen V. Colwell 24 Head Waitress Idaho
17 Ronald Colwell 8 Son — Idaho
18 Jacquelyn Colwell 5 Daughter — Idaho
19 Peter Anderson 58 Head Cabinet Maker Michigan
20 Lila G. Anderson 58 Wife — Kansas
21 Paul H. Anderson 25 Son — Washington
22 Frank Reep 46 Head Bottom Man Kansas
23 Mabel Reep 50 Wife — Kansas
24 Betty Covington 12 Granddaughter — Kansas
25 Christine Wallin 73 Head — Sweden
26 William E. Haskell 43 Son Mechanic Michigan
27 Carl B. Ramsett 51 Head Manager Minnesota
28 Mildred Ramsett 42 Wife Clerk Nebraska
29 Albert Middleton 20 Head Brooder Indiana
30 Irene Middleton 18 Wife Swamper Iowa
31 — None — — —
32 Harry O. Ball 46 Head — Iowa
33 Jessie Ball 42 Wife — New York
34 Thelma Ball 17 Daughter — Washington
35 Francis Ball 15 Daughter — Washington
36 Tonie Ball 13 Daughter — Washington
37 Mary Ellen Ball THIS PERSON 12 Daughter — Washington
38 Delores Ball 9 Daughter — Washington
39 Dorothy Ball 6 Daughter — Washington
40 Henry Ball 19 Son New Worker Iowa

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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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