WB
William Bauer — 1930 US Census Record
Model Tree available1930 United States Federal Census · Montgomery, Ohio
Our Model Tree links this William Bauer across the 1900, 1910, 1920 and 1930 US Censuses in Montgomery, Ohio (XGBoost, ~Confirmed), with identified parents George & George — first a head (b.~1900), then head of a 3-person household.
Age 30
b. ~1900
Male
Head
Born: Ohio
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Montgomery, Ohio |
| Surname | Bauer |
| Given Name | William A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Ohio |
| Age at First Marriage | 28 |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Additional Details | |
| Occupation | Plumber |
| Industry | Plumbing |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 6,500 |
| Radio Set | R |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Plumber |
| Township / Ward | Dayton City |
| Est. Birth Year | ~1900 |
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.
3 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Helen Bauer | Other | — | 26 | ~1904 |
| William Bauer | Head | — | 30 | ~1900 |
| Jeanne Bauer | Daughter | — | 2 | ~1928 |
Census Appearances
1900
Montgomery, Ohio
Son, age 1
Montgomery, Ohio · implied b. ~1899 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Bauer |
| Given Name | William A |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Ohio |
| Birth Month | May |
| Birth Year | 1899 |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1910
Montgomery, Ohio
Son, age 10
Montgomery, Ohio · implied b. ~1900 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Bauer |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1920
Montgomery, Ohio
Son, age 20
Montgomery, Ohio · implied b. ~1900 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Bauer |
| Given Name | William A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | Plumber |
| Industry | House |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Montgomery, Ohio
Head, age 30
Montgomery, Ohio · implied b. ~1900 — 3 household members
| Surname | Bauer |
| Given Name | William A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Ohio |
| Age at First Marriage | 28 |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | Plumber |
| Industry | Plumbing |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 6,500 |
| Radio Set | R |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 William Bauer across 4 US Census years (1900, 1910, 1920 and 1930) in Montgomery, Ohio, using XGBoost record linkage. Identified parents: father George Bauer (~0.92 confidence) and father George Bauer (~0.92 confidence) and mother Julia Bauer (~0.92 confidence) and mother Anna Bauer (~0.92 confidence) and mother Mary Bauer (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
George Bauer
b. ~1865
Source father
● Household
· direct · ~0.92
Father
George Bauer
b. ~1866
Source father
● Household
· direct · ~0.92
Mother
Julia Bauer
b. ~1867
Source mother
● Household
· direct · ~0.92
Mother
Anna Bauer
b. ~1868
Source mother
● Household
· direct · ~0.92
Mother
Mary Bauer
b. ~1868
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Bauer
Head · 1930 · age 30 · b. ~1900 · Ohio
★ 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 — Montgomery, Ohio
Open full size
1930 US Federal Census — Montgomery, Ohio
Page Contents
50 people indexed on this census page (ia:1930:ohiocensus00reel1856:0250)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Leo J. Noll | 29 | Head | Tool Maker | Ohio |
| 2 | Isabelle L. Noll | 27 | Wife-H | None | Ohio |
| 3 | Jacqueline Noll | 5 | daughter | None | Ohio |
| 4 | Edith Hornick | 28 | sister in law | Drill Press | Ohio |
| 5 | Helen Hornick | 23 | sister in law | Drill Press | Ohio |
| 6 | William A. Bauer THIS PERSON | 30 | Head | Plumber | Ohio |
| 7 | Helen I. Bauer | 26 | Wife-H | None | Ohio |
| 8 | Jeanne Bauer | 2 | daughter | None | Ohio |
| 9 | Ray A. Tracy | 32 | Head | Interior Decorator | Ohio |
| 10 | Julia M. Tracy | 24 | Wife-H | None | Ohio |
| 11 | Onda W. Tracy | 7 | daughter | None | Ohio |
| 12 | Leroy E. Tracy | 4 | son | None | Ohio |
| 13 | John H. Sima | 28 | Head | Carpenter | Ohio |
| 14 | Alexina Sima | 29 | Wife-H | None | Ohio |
| 15 | John Jr. Sima | 9 | son | None | Ohio |
| 16 | Hildwig Olexis | 48 | Head | Carpenter | Germany |
| 17 | Anna J. Olexis | 52 | Wife-H | None | Germany |
| 18 | Philo Strausbaugh | 49 | Head | Assembler | Kentucky |
| 19 | Caroline E. L. Strausbaugh | 46 | Wife-H | Assembler | Ohio |
| 20 | Willis Horner | 14 | stepson | None | Ohio |
| 21 | Sophia May | 68 | mother in law | None | Ohio |
| 22 | Todd P. Ogden | 31 | Head | Letter Carrier | Iowa |
| 23 | Anna L. Ogden | 30 | Wife-H | None | Ohio |
| 24 | Arlene F. Ogden | 2 | daughter | None | Ohio |
| 25 | Ernest Chrowl | 47 | Head | Repairman | Ohio |
| 26 | Sarah J. Chrowl | 43 | Wife-H | None | Ohio |
| 27 | Elroy J. Chrowl | 21 | son | Charging Board | Ohio |
| 28 | Ray J. Meeker | 26 | Head | Checker | Ohio |
| 29 | Eva M. Meeker | 24 | Wife-H | Time Keeper | Kentucky |
| 30 | Harry Stradling | 48 | Head | Installer | Ohio |
| 31 | Nellie M. Stradling | 40 | Wife-H | None | Ohio |
| 32 | Leonard W. Kuckherman | 25 | Head | Cal Compounder | Ohio |
| 33 | Harriet L. Kuckherman | 25 | Wife-H | None | Ohio |
| 34 | Ernest C. Ary | 45 | Head | Inspector | Ohio |
| 35 | V. Odessa Ary | 44 | Wife-H | None | Ohio |
| 36 | Alonzo P. King | 39 | Head | Inspector | Ohio |
| 37 | Melvina King | 50 | Wife-H | None | Ohio |
| 38 | Morris Brumbaugh | 28 | Head | Tool Maker | Ohio |
| 39 | Margaret Brumbaugh | 24 | Wife-H | Coil Winder | Ohio |
| 40 | Bobby Brumbaugh | 6 | son | None | Ohio |
| 41 | Lavergne E. Sr. Berks | 29 | Head | Printer | Ohio |
| 42 | Mary E. Berks | 24 | Wife-H | None | Ohio |
| 43 | Lavergne E. Jr. Berks | 4 | son | None | Ohio |
| 44 | Richard M. Lewis | 34 | Head | Com'L Salesman | Ohio |
| 45 | Agnes M. Lewis | 36 | Wife-H | None | Ohio |
| 46 | Paul R. Lewis | 12 | son | None | Ohio |
| 47 | Dorothy A. Lewis | 8 | daughter | None | Ohio |
| 48 | Henry P. Arnold | 37 | Head | Proprietor | Ohio |
| 49 | Caroline Arnold | 37 | Wife-H | None | Ohio |
| 50 | Treva Helen Arnold | 15 | daughter | None | Ohio |
Pedigree Summary
William
Gen 1 · 5 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)