WC
William Caldwell — 1930 US Census Record
Model Tree available1930 United States Federal Census · Montgomery, Ohio
Our Model Tree links this William Caldwell across the 1910, 1920 and 1930 US Censuses in Montgomery, Ohio (XGBoost, ~Confirmed), with identified parents Claud & Mary — first a son (b.~1908), then head of a 4-person household.
Age 22
b. ~1908
Male
Son
Born: Ohio
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Montgomery, Ohio |
| Surname | Caldwell |
| Given Name | William F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Texas |
| Mother's Birthplace | Ohio |
| Additional Details | |
| Occupation | Labor |
| Industry | General |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Labor |
| Township / Ward | Dayton 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.
4 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Claude Caldwell | Head | — | 55 | ~1875 |
| Mary Caldwell | Other | — | 50 | ~1880 |
| Howard Caldwell | Son | — | 19 | ~1911 |
| William Caldwell | Son | — | 22 | ~1908 |
Census Appearances
1910
Montgomery, Ohio
Son, age 2
Montgomery, Ohio · implied b. ~1908 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Caldwell |
| Given Name | William T |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Texas |
| Mother's Birthplace | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1920
Montgomery, Ohio
Son, age 11
Montgomery, Ohio · implied b. ~1909 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Caldwell |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Texas |
| Mother's Birthplace | Ohio |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Montgomery, Ohio
Son, age 22
Montgomery, Ohio · implied b. ~1908 — 4 household members
| Surname | Caldwell |
| Given Name | William F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Texas |
| Mother's Birthplace | Ohio |
| Occupation | Labor |
| Industry | General |
| Class of Worker | W |
| Can Read/Write | Yes |
| 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 Caldwell across 3 US Census years (1910, 1920 and 1930) in Montgomery, Ohio, using XGBoost record linkage. Identified parents: father Claud Caldwell (~0.92 confidence) and mother Mary Caldwell (~0.92 confidence) and mother Mary Caldwell (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Claud Caldwell
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Mary Caldwell
b. ~1880
Source mother
● Household
· direct · ~0.92
Mother
Mary Caldwell
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Caldwell
Son · 1930 · age 22 · b. ~1908 · Ohio
★ You are viewing this record
Sibling
Howard Caldwell
Sibling · 1930 · age 19
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 — Montgomery, Ohio
Open full size
1930 US Federal Census — Montgomery, Ohio
Page Contents
49 people indexed on this census page (ia:1930:ohiocensus00reel1856:0053)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Alice L. | 52 | Head | Salesman | Ohio |
| 2 | Blanche H. | 48 | Wife-H | Saleslady | Indiana |
| 3 | Alfred E. | 15 | Son | — | Ohio |
| 5 | Lawrence Channer | 39 | Head | Machinist | Ohio |
| 6 | Lucy Channer | 40 | Wife-H | — | Ohio |
| 7 | Charles E. Channer | 15 | Son | — | Ohio |
| 8 | Robert M. Channer | 13 | Son | — | Ohio |
| 9 | Mary E. Channer | 12 | Daughter | — | Ohio |
| 10 | William A. Channer | 4 | Son | — | Ohio |
| 11 | Anthony Channer | 73 | Father | Labor | Germany |
| 12 | Ross E. Sherwood | 27 | Head | Grinder | Ohio |
| 13 | Pauline E. Sherwood | 21 | Wife-H | — | Ohio |
| 14 | Clifford E. Sherwood | 3 | Son | — | Ohio |
| 15 | Thomas E. Sherwood | 1 | Son | — | Ohio |
| 16 | Samuel J. Sherwood | 63 | Boarder | Painter | Ohio |
| 17 | Allen L. White | 51 | Head | Inspector | Ohio |
| 18 | Bessie B. White | 48 | Wife-H | — | Ohio |
| 19 | John H. White | 22 | Son | — | Ohio |
| 20 | Dorothy L. White | 18 | Daughter | Time Clerk | Ohio |
| 21 | Edith M. White | 12 | Daughter | — | Ohio |
| 22 | Earl A. White | 11 | Son | — | Ohio |
| 23 | Ray H. Conover | 45 | Head | Machinist | Indiana |
| 24 | Hattie L. Conover | 40 | Wife-H | — | Kentucky |
| 25 | Anne L. Conover | 14 | Daughter | — | Indiana |
| 26 | Joseph E. Bohrer | 24 | Head | Assembler | Ohio |
| 27 | Minnie H. Bohrer | 22 | Wife-H | — | Ohio |
| 28 | Charles E. Bohrer | 4 | Son | — | Ohio |
| 29 | William E. Bohrer | 3 | Son | — | Ohio |
| 30 | Joseph L. Bohrer | 1 | Son | — | Ohio |
| 31 | Helen E. Bohrer | 0 | Daughter | — | Ohio |
| 32 | Carrie Bohrer | 54 | Mother | — | Ohio |
| 33 | William H. Nelson | 72 | Head | Labor | Ohio |
| 34 | Alma Nelson | 64 | Wife-H | — | Ohio |
| 35 | Arnold J. Snelsman | 27 | Head | — | Ohio |
| 36 | Eleanor L. Snelsman | 24 | Wife-H | — | Ohio |
| 37 | Byron L. Snelsman | 2 | Son | — | Ohio |
| 38 | Esther M. Snelsman | 24 | Sister | Assembler | Ohio |
| 39 | Sophia J. Snelsman | 21 | Sister | Inspector | Ohio |
| 40 | George S. Ratzer | 24 | Head | Salesman | Ohio |
| 41 | Edith V. Ratzer | 20 | Wife-H | — | Ohio |
| 42 | George D. Ratzer | 0 | Son | — | Ohio |
| 43 | William H. Keill | 44 | Head | Salesman | Ohio |
| 44 | Nellie S. Keill | 40 | Wife-H | — | Ohio |
| 45 | Dorothy M. Keill | 17 | Daughter | — | Ohio |
| 46 | Jane S. Keill | 3 | Daughter | — | Ohio |
| 47 | Claude F. Caldwell | 55 | Head | Salesman | Texas |
| 48 | Mary E. Caldwell | 50 | Wife-H | — | Ohio |
| 49 | William F. Caldwell THIS PERSON | 22 | Son | Labor | Ohio |
| 50 | Howard A. Caldwell | 19 | Son | Labor | Ohio |
Pedigree Summary
William + 1 sibling
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)