MM
Mary Mayer — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Tripp, South Dakota
Our Model Tree links this Mary Mayer across the 1920 and 1930 US Censuses in Tripp, South Dakota (XGBoost, ~Confirmed) — first a daughter (b.~1883), then head of a 28-person household.
Age 47
b. ~1883
Female
Daughter
Born: Nebraska
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Tripp, South Dakota |
| Surname | Mayer |
| Given Name | Mary Ann |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 47 |
| Marital Status | Single |
| Birthplace | Nebraska |
| Father's Birthplace | Czechoslovakia |
| Mother's Birthplace | Czechoslovakia |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
| Township / Ward | Stewart Township T96R75 |
| Est. Birth Year | ~1883 |
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.
28 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Ester Ewing | Daughter | — | 17 | ~1913 |
| Lula Lowell | Daughter | — | 17 | ~1913 |
| Agnes Rohde | Daughter | — | 14 | ~1916 |
| Mildred Lowell | Daughter | — | 5 | ~1925 |
| Cecelia Rohde | Daughter | — | 8 | ~1922 |
| Mary Mayer | Daughter | — | 47 | ~1883 |
| Mary Lowell | Daughter | — | 15 | ~1915 |
| Hazel Lowell | Daughter | — | 11 | ~1919 |
| Hazel Ewing | Daughter | — | 11 | ~1919 |
| Benber Ewing | Head | — | 48 | ~1882 |
| Lars Hansen | Other | — | 45 | ~1885 |
| Ernest Lowell | Other | — | 51 | ~1879 |
| Edward Delfs | Other | — | 45 | ~1885 |
| Mathilda Mayer | Other | — | 75 | ~1855 |
| William Laschewski | Other | — | 43 | ~1887 |
| Joseph Rohde | Other | — | 42 | ~1888 |
| Charles Lowell | Son | — | 24 | ~1906 |
| Edward Rohde | Son | — | 5 | ~1925 |
| Charles Mayer | Son | — | 44 | ~1886 |
| Ivil Lowell | Son | — | 22 | ~1908 |
| Michael Rohde | Son | — | 2 | ~1928 |
| Walter Rohde | Son | — | 11 | ~1919 |
| Lyle Lowell | Son | — | 4 | ~1926 |
| Harry Delfs | Son | — | 21 | ~1909 |
| Verona Ewing | Spouse | — | 47 | ~1883 |
| Mary Lowell | Spouse | — | 47 | ~1883 |
| Bridget Rohde | Spouse | — | 42 | ~1888 |
| Matilda Delfs | Spouse | — | 42 | ~1888 |
Census Appearances
1920
Tripp, South …
Daughter, age 37
Tripp, South Dakota · implied b. ~1883 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Meyer |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 37 |
| Marital Status | Single |
| Birthplace | Nebraska |
| Father's Birthplace | Bohemia |
| Mother's Birthplace | Bohemia |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Bohemian |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
1930
Tripp, South …
Daughter, age 47
Tripp, South Dakota · implied b. ~1883 — 28 household members
| Surname | Mayer |
| Given Name | Mary Ann |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 47 |
| Marital Status | Single |
| Birthplace | Nebraska |
| Father's Birthplace | Czechoslovakia |
| Mother's Birthplace | Czechoslovakia |
| Can Read/Write | Yes |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
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 Mayer across 2 US Census years (1920 and 1930) in Tripp, South Dakota, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Mayer
Daughter · 1930 · age 47 · b. ~1883 · South Dakota
★ You are viewing this record
Sibling
Ester Ewing
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Michael Rohde
Sibling · 1930 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Rohde
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hazel Ewing
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mildred Lowell
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lula Lowell
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Lowell
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Agnes Rohde
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harry Delfs
Sibling · 1930 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Mayer
Sibling · 1930 · age 44
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Lowell
Sibling · 1930 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Walter Rohde
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hazel Lowell
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ivil Lowell
Sibling · 1930 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Cecelia Rohde
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lyle Lowell
Sibling · 1930 · age 4
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 — Tripp, South Dakota
Open full size
1930 US Federal Census — Tripp, South Dakota
Page Contents
50 people indexed on this census page (ia:1930:15thcensus2231unit:0444)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | June Lundstrom | 6 | Daughter | — | South Dakota |
| 52 | Mildred Lundstrom | 5 | Daughter | — | South Dakota |
| 53 | Harold Lundstrom | 1 | Son | — | South Dakota |
| 54 | Clifford Nelson | 28 | Head | Farmer | South Dakota |
| 55 | Vera A. Nelson | 28 | Wife | — | Wisconsin |
| 56 | Edwin Nelson | 8 | Son | None | South Dakota |
| 57 | Vern Nelson | 6 | Son | None | South Dakota |
| 58 | Donald Nelson | 4 | Son | None | South Dakota |
| 59 | Nels Tunedson | 71 | Uncle | — | Sweden |
| 60 | Emery E. Stevens | 44 | Head | Farmer | Iowa |
| 61 | V. Alice Stevens | 42 | Wife | — | South Dakota |
| 62 | Marion J. Briggs | 57 | Head | Farmer | Iowa |
| 63 | Mae Briggs | 48 | Wife | — | South Dakota |
| 64 | Edward Briggs | 18 | Son | Farm Laborer | South Dakota |
| 65 | Ethel Briggs | 15 | Daughter | — | South Dakota |
| 66 | Harvey Briggs | 13 | Son | — | South Dakota |
| 67 | Velma Briggs | 8 | Daughter | None | South Dakota |
| 68 | Charles Rice | 52 | Head | Farmer | Nebraska |
| 69 | Olga Rice | 22 | Wife | — | New York |
| 70 | Julia E. Rice | 5 | Daughter | None | South Dakota |
| 71 | John Rice | 2 | Son | None | South Dakota |
| 72 | Lilly E. Rice | 0 | Daughter | None | South Dakota |
| 73 | Benber O. Ewing | 48 | Head | Farmer | Iowa |
| 74 | Verona Ewing | 47 | Wife | — | Canada English |
| 75 | Ester O. Ewing | 17 | Daughter | — | South Dakota |
| 76 | Hazel Ewing | 11 | Daughter | — | South Dakota |
| 77 | Lars Hansen | 45 | O | Farmer | Norway |
| 78 | Ernest Lowell | 51 | O | Farmer | England |
| 79 | Mary E. Lowell | 47 | Wife | — | Iowa |
| 80 | Charles E. Lowell | 24 | Son | Farmer | Iowa |
| 81 | Ivil E. Lowell | 22 | Son | Farmer | Iowa |
| 82 | Lula F. Lowell | 17 | Daughter | — | South Dakota |
| 83 | Mary M. Lowell | 15 | Daughter | — | South Dakota |
| 84 | Hazel L. Lowell | 11 | Daughter | — | South Dakota |
| 85 | Mildred A. Lowell | 5 | Daughter | None | South Dakota |
| 86 | Lyle M. Lowell | 4 | Son | None | South Dakota |
| 87 | Mathilda Mayer | 75 | O | Farm Operator | Czechoslovakia |
| 88 | Mary Ann Mayer THIS PERSON | 47 | Daughter | — | Nebraska |
| 89 | Charles Mayer | 44 | Son | Farm Laborer | Nebraska |
| 90 | Joseph Rohde | 42 | O | Farmer | Nebraska |
| 91 | Bridget E. Rohde | 42 | Wife | — | Nebraska |
| 92 | Agnes Rohde | 14 | Daughter | — | Nebraska |
| 93 | Walter L. Rohde | 11 | Son | — | Nebraska |
| 94 | Cecelia Rohde | 8 | Daughter | None | South Dakota |
| 95 | Edward Rohde | 5 | Son | None | South Dakota |
| 96 | Michael Rohde | 2 | Son | None | South Dakota |
| 97 | William Laschewski | 43 | O | Carpenter | Nebraska |
| 98 | Edward P. P. Delfs | 45 | O | Farmer | Nebraska |
| 99 | Matilda Delfs | 42 | Wife | — | Nebraska |
| 100 | Harry H. H. Delfs | 21 | Son | Farm Laborer | Nebraska |
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)