MA
Mary Arnold — 1930 US Census Record
Model Tree available1930 United States Federal Census · Marion, Indiana
Our Model Tree links this Mary Arnold across the 1910, 1920 and 1930 US Censuses in Marion, Indiana (XGBoost, ~Confirmed), with identified parents Arthur & Sarah — first a daughter (b.~1908), then head of a 2-person household.
Age 22
b. ~1908
Female
Daughter
Born: Indiana
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Marion, Indiana |
| Surname | Arnold |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Occupation | office work |
| Industry | Taxi-Cab Co |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Office Work |
| Township / Ward | Indianapolis City |
| Est. Birth Year | ~1908 |
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.
2 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Arnold | Daughter | — | 22 | ~1908 |
| Sarah Arnold | Head | — | 60 | ~1870 |
Census Appearances
1910
Marion, Indiana
Daughter, age 2
Marion, Indiana · implied b. ~1908 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Arnold |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1920
Marion, Indiana
Daughter, age 12
Marion, Indiana · implied b. ~1908 — 31 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Arnold |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Illinois |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Marion, Indiana
Daughter, age 22
Marion, Indiana · implied b. ~1908 — 2 household members
| Surname | Arnold |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Illinois |
| Occupation | office work |
| Industry | Taxi-Cab Co |
| 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 Arnold across 3 US Census years (1910, 1920 and 1930) in Marion, Indiana, using XGBoost record linkage. Identified parents: father Arthur Arnold (~0.92 confidence) and mother Sarah Arnold (~0.92 confidence) and mother Sarah Arnold (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Arthur Arnold
b. ~1868
Source father
● Household
· direct · ~0.92
Mother
Sarah Arnold
b. ~1870
Source mother
● Household
· direct · ~0.92
Mother
Sarah Arnold
b. ~1870
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Arnold
Daughter · 1930 · age 22 · b. ~1908 · Indiana
★ You are viewing this record
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:indianacensus00reel609:0242)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Jesse Delle | 30 | Head | Office Worker | Indiana |
| 2 | Madeline Delle | 28 | Wife | None | Indiana |
| 3 | Doris Jean Delle | 1 | Daughter | None | Indiana |
| 4 | William P Kersey | 35 | Head | Electrician | Indiana |
| 5 | Queen Esther Kersey | 33 | Wife | None | Indiana |
| 6 | Mary E Kersey | 14 | Daughter | None | Indiana |
| 7 | Esther M Kersey | 11 | Daughter | None | Indiana |
| 8 | Faiton Rogers | 31 | Head | Assembler | Tennessee |
| 9 | Bessie Rogers | 28 | Wife | None | Tennessee |
| 10 | Joanna Rogers | 9 | Daughter | None | Indiana |
| 11 | Sarah Arnold | 60 | Head | None | Illinois |
| 12 | Mary Arnold THIS PERSON | 22 | Daughter | Office Work | Indiana |
| 13 | Harry Trietsch | 40 | Head | Leather Worker | Indiana |
| 14 | Ona Trietsch | 40 | Wife | None | Indiana |
| 15 | William H Green | 61 | Head | City Engineer | Indiana |
| 16 | Minnie G Green | 58 | Wife | None | Indiana |
| 17 | Ringe A Brunsma | 48 | Head | Tool & Die Maker | Holland |
| 18 | Laura Brunsma | 46 | Wife | None | Kentucky |
| 19 | Myrtle L Brunsma | 24 | Daughter | Book Keeper | Indiana |
| 20 | Richard Brunsma | 14 | Son | None | Indiana |
| 21 | William E Shaw | 43 | Head | Mailer | Indiana |
| 22 | Rose Zella Shaw | 42 | Wife | None | Indiana |
| 23 | James F Russell | 73 | Head | Watchman | Kentucky |
| 24 | Mary E Russell | 63 | Wife | None | Kentucky |
| 25 | Arthur Russell | 24 | Son | Odd Jobs | Kentucky |
| 26 | Samuel C Yackley | 34 | Head | Machinist | Indiana |
| 27 | Irene Yackley | 27 | Wife | None | Indiana |
| 28 | John T Stewart | 47 | Head | Salesman | Pennsylvania |
| 29 | Mary J Stewart | 45 | Wife | None | Indiana |
| 30 | Jacob Aldrich | 33 | Head | Stenographer | Indiana |
| 31 | Mary L Aldrich | 31 | Wife | Saleslady | Indiana |
| 32 | Sue Aldrich | 11 | Daughter | None | Ohio |
| 33 | Judith Aldrich | 6 | Daughter | None | Indiana |
| 34 | Anna Pennington | 70 | Mother-in-law | None | Indiana |
| 35 | Fred Mccarter | 50 | Head | Blacksmith | Indiana |
| 36 | Blanche Mccarter | 46 | Wife | None | Indiana |
| 37 | Vada Mccarter | 21 | Daughter | Stenographer | Indiana |
| 38 | Pauline Pontius | 20 | Boarder | Stenographer | Indiana |
| 39 | Carl W Klutz | 44 | Head | Yard Manager | Indiana |
| 40 | Myrtle Klutz | 37 | Wife | None | Indiana |
| 41 | Eleanor N Klutz | 15 | Daughter | None | Indiana |
| 42 | Dorothy J Klutz | 9 | Daughter | None | Indiana |
| 43 | Mary E Klutz | 9 | Daughter | None | Indiana |
| 44 | Charles K Klutz | 7 | Son | None | Indiana |
| 45 | Annalou Klutz | 6 | Daughter | None | Indiana |
| 46 | Ulysses Lee | 53 | Head | Salesman | Indiana |
| 47 | Ludy Lee | 52 | Wife | None | Indiana |
| 48 | Lois Lee | 15 | Daughter | Office Work | Indiana |
| 49 | George C Megorden | 32 | Son-in-law | Salesman | Wisconsin |
| 50 | Flavia Megorden | 31 | Daughter | None | Indiana |
Pedigree Summary
Mary
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
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)