MB
Mary Boyer — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Warrick, Indiana
Our Model Tree links this Mary Boyer across the 1920 and 1930 US Censuses in Warrick, Indiana (XGBoost, ~Confirmed) — first a daughter (b.~1918), then head of a 8-person household.
Age 12
b. ~1918
Female
Daughter
Born: Indiana
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Warrick, Indiana |
| Surname | Boyer |
| Given Name | Mary R. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Township / Ward | Boon Township Part |
| Est. Birth Year | ~1918 |
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 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Bernie Boyer | Son | — | 8 | ~1922 |
| Edgar Boyer | Son | — | 4 | ~1926 |
| Lucille Boyer | Daughter | — | 10 | ~1920 |
| Alvin Boyer | Son | — | 14 | ~1916 |
| Myrtle Boyer | Spouse | — | 37 | ~1893 |
| Mary Boyer | Daughter | — | 12 | ~1918 |
| Harrison Boyer | Head | — | 41 | ~1889 |
| Helen Boyer | Daughter | — | 17 | ~1913 |
Census Appearances
1920
Warrick, Indiana
Daughter, age 2
Warrick, Indiana · implied b. ~1918 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Bayer |
| Given Name | Mary R. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Warrick, Indiana
Daughter, age 12
Warrick, Indiana · implied b. ~1918 — 8 household members
| Surname | Boyer |
| Given Name | Mary R. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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.
Our Model Tree links Mary Boyer across 2 US Census years (1920 and 1930) in Warrick, Indiana, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Boyer
Daughter · 1930 · age 12 · b. ~1918 · Indiana
★ You are viewing this record
Sibling
Lucille Boyer
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alvin Boyer
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bernie Boyer
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edgar Boyer
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Boyer
Sibling · 1930 · 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
1930 US Federal Census — Warrick, Indiana
Open full size
1930 US Federal Census — Warrick, Indiana
Page Contents
50 people indexed on this census page (ia:1930:indianacensus00reel637:0165)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Robert F. Johnson | 40 | Head | Farmer | Indiana |
| 52 | Lena Johnson | 35 | Wife | — | Indiana |
| 53 | Leroy Johnson | 9 | Son | — | Indiana |
| 54 | Dorothy M. Johnson | 6 | Daughter | — | Indiana |
| 55 | Lucille Johnson | 3 | Daughter | — | Indiana |
| 56 | Donald Johnson | 0 | Son | — | Indiana |
| 57 | Curran A. Taylor | 21 | Brother-in-law | Laborer | Indiana |
| 58 | George E. White | 56 | Head | Farmer | Indiana |
| 59 | Rachel White | 52 | Wife | — | Indiana |
| 60 | Claud Taylor | 28 | Head | Motorman | Indiana |
| 61 | Ruth Taylor | 17 | Wife | — | Kentucky |
| 62 | Thomas A. Taylor | 5 | Son | — | Indiana |
| 63 | Wilson T. Taylor | 4 | Son | — | Indiana |
| 64 | Leroy C. Casey | 3 | Step-son | — | Kentucky |
| 65 | John M. Coonce | 45 | Head | Farmer | Indiana |
| 66 | Rhoda Coonce | 42 | Wife | — | Indiana |
| 67 | Slyvester Coonce | 21 | Son | Laborer | Indiana |
| 68 | Delbert Coonce | 19 | Son | Laborer | Indiana |
| 69 | Howard Coonce | 10 | Son | — | Indiana |
| 70 | Wesley Coonce | 9 | Son | — | Indiana |
| 71 | Earl Coonce | 6 | Son | — | Indiana |
| 72 | Margaret A. Coonce | 3 | Daughter | — | Indiana |
| 73 | Vera Rich | 74 | Mother-in-law | — | Indiana |
| 74 | Rena Rich | 34 | Sister-in-law | — | Indiana |
| 75 | Thomas L. Russel | 33 | Head | Farmer | Indiana |
| 76 | Eva J. Russel | 37 | Wife | — | Kentucky |
| 77 | Edna M. Russel | 15 | Daughter | — | Indiana |
| 78 | Sherman V. Russel | 12 | Son | — | Indiana |
| 79 | Laura E. Russel | 5 | Daughter | — | Indiana |
| 80 | Allan G. Russel | 2 | Son | — | Indiana |
| 81 | Elsie M. Russel | 0 | Daughter | — | Indiana |
| 82 | Gus Banker | 49 | Head | Farmer | Indiana |
| 83 | Merril Banker | 18 | Son | Laborer | Indiana |
| 84 | Alice H. Banker | 15 | Daughter | — | Indiana |
| 85 | Toba Pluhren | 53 | Head | Farmer | Indiana |
| 86 | Emma Pluhren | 50 | Wife | — | Indiana |
| 87 | Arvil Dorsey | 27 | Head | Laborer | Indiana |
| 88 | Velma Dorsey | 21 | Wife | — | Indiana |
| 89 | Morris F. Dorsey | 4 | Son | — | Indiana |
| 90 | Esther Dorsey | 68 | Mother | — | Indiana |
| 91 | Harrison Boyer | 41 | Head | Farmer | Indiana |
| 92 | Myrtle Boyer | 37 | Wife | — | Indiana |
| 93 | Helen Boyer | 17 | Daughter | — | Indiana |
| 94 | Alvin Boyer | 14 | Son | — | Indiana |
| 95 | Mary R. Boyer THIS PERSON | 12 | Daughter | — | Indiana |
| 96 | Lucille Boyer | 10 | Daughter | — | Indiana |
| 97 | Bernie Boyer | 8 | Son | — | Indiana |
| 98 | Edgar Boyer | 4 | Son | — | Indiana |
| 99 | Lloyd Chappell | 39 | Head | — | Indiana |
| 100 | Ora W. Chappell | 21 | Son | Laborer | Indiana |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)