MF
Mary Frey — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Marion, Indiana
Our Model Tree links this Mary Frey across the 1920 and 1930 US Censuses in Marion, Indiana (XGBoost, ~Confirmed) — first a daughter (b.~1910), then head of a 7-person household.
Age 20
b. ~1910
Female
Daughter
Born: Indiana
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Marion, Indiana |
| Surname | Frey |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Additional Details | |
| Occupation | clerk |
| Industry | advertising |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Clerk |
| Township / Ward | Indianapolis City |
| Est. Birth Year | ~1910 |
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.
7 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Frey | Daughter | — | 20 | ~1910 |
| Joseph Frey | Son | — | 25 | ~1905 |
| Daniel Frey | Son | — | 16 | ~1914 |
| Charles Frey | Son | — | 27 | ~1903 |
| Patrick Frey | Head | — | 62 | ~1868 |
| James Frey | Son | — | 24 | ~1906 |
| Mary Frey | Spouse | — | 57 | ~1873 |
Census Appearances
1920
Marion, Indiana
Daughter, age 10
Marion, Indiana · implied b. ~1910 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Frey |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Indiana |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Marion, Indiana
Daughter, age 20
Marion, Indiana · implied b. ~1910 — 7 household members
| Surname | Frey |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | clerk |
| Industry | advertising |
| Class of Worker | W |
| 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 Frey across 2 US Census years (1920 and 1930) in Marion, Indiana, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Frey
Daughter · 1930 · age 20 · b. ~1910 · Indiana
★ You are viewing this record
Sibling
Daniel Frey
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Frey
Sibling · 1930 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Frey
Sibling · 1930 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Frey
Sibling · 1930 · age 25
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 — Marion, Indiana
Open full size
1930 US Federal Census — Marion, Indiana
Page Contents
50 people indexed on this census page (ia:1930:indianacensus00reel614:0657)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Charles E Moore | 32 | head | Brakeman | Indiana |
| 2 | Grace Moore | 32 | wife | None | Indiana |
| 3 | Patrick J Frey | 62 | head | Laborer | Indiana |
| 4 | Mary Frey | 57 | wife | None | Indiana |
| 5 | Charles Frey | 27 | son | Planner | Indiana |
| 6 | Joseph Frey | 25 | son | Laborer | Indiana |
| 7 | James Frey | 24 | son | Mechanic | Indiana |
| 8 | Mary Frey THIS PERSON | 20 | daughter | Clerk | Indiana |
| 9 | Daniel Frey | 16 | son | Laborer | Indiana |
| 10 | Leo Wilson | 26 | head | Laborer | Kentucky |
| 11 | Mollie Wilson | 20 | wife | None | Kentucky |
| 12 | Ruth Wilson | 1 | daughter | — | Indiana |
| 13 | Thomas Wilson | 0 | son | — | Kentucky |
| 14 | John Wilson | 34 | head | Laborer | Kentucky |
| 15 | Florence Wilson | 27 | wife | None | Kentucky |
| 16 | Elizabeth S Wilson | 10 | daughter | — | Kentucky |
| 17 | Bonnie Wilson | 8 | daughter | — | Kentucky |
| 18 | James Wilson | 6 | son | — | Kentucky |
| 19 | Mary F Wilson | 5 | daughter | — | Indiana |
| 20 | Ada May Wilson | 3 | daughter | — | Indiana |
| 21 | Lewis Coffey | 33 | head | Painter | Tennessee |
| 22 | Effie Coffey | 19 | wife | None | Kentucky |
| 23 | Herbert L Coffey | 0 | son | — | Indiana |
| 24 | Lee Rutledge | 54 | head | Laborer | Kentucky |
| 25 | Grace Rutledge | 34 | wife | None | Indiana |
| 26 | George E Rutledge | 13 | son | None | Indiana |
| 27 | Leroy Rutledge | 10 | son | — | Indiana |
| 28 | Katherine L Rutledge | 5 | daughter | — | Indiana |
| 29 | Roger S Rutledge | 3 | daughter | — | Indiana |
| 30 | Morton Kashman | 58 | head | Laborer | Indiana |
| 31 | Ellie Kashman | 54 | wife | None | Indiana |
| 32 | Mary Price | 69 | head | None | Indiana |
| 33 | Bessie Price | 23 | daughter | Clerk | Indiana |
| 34 | Josephine Price | 16 | daughter | None | Indiana |
| 35 | Thelma Price | 14 | daughter | None | Indiana |
| 36 | George Woodson | 29 | head | Helper | Indiana |
| 37 | Mary Woodson | 26 | wife | None | Illinois |
| 38 | Richard Woodson | 5 | son | — | Indiana |
| 39 | Robert Woodson | 3 | son | — | Indiana |
| 40 | Jack Woodson | 1 | son | — | Indiana |
| 41 | Charles Davis | 53 | head | Clerk | Illinois |
| 42 | Ethel Davis | 45 | wife | Clerk | Illinois |
| 43 | William Reed | 50 | head | Fireman | Illinois |
| 44 | Hilda Reed | 37 | wife | Clerk | Illinois |
| 45 | Nellie Reed | 15 | daughter | — | Illinois |
| 46 | Mary Reed | 13 | daughter | — | Illinois |
| 47 | Ellis Lances | 36 | head | Laborer | Kentucky |
| 48 | Gertrude Lances | 27 | wife | None | West Virginia |
| 49 | Hazel Lances | 8 | daughter | — | West Virginia |
| 50 | Mary Lances | 6 | daughter | — | Kentucky |
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)