DH
David Harris — 1930 US Census Record
Model Tree available1930 United States Federal Census · Butler, Ohio
Our Model Tree links this David Harris across the 1900, 1910, 1920 and 1930 US Censuses in Butler, Ohio (XGBoost, ~Confirmed), with identified parents John & John — first a son (b.~1899), then head of a 3-person household.
Age 31
b. ~1899
Male
Son
Born: Ohio
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Butler, Ohio |
| Surname | Harris |
| Given Name | David |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Ohio |
| Age at First Marriage | 30 |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Additional Details | |
| Occupation | Mechanic |
| Industry | Garage |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Mechanic |
| Township / Ward | Middletown City |
| Est. Birth Year | ~1899 |
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 David | Age | Birth yr |
|---|---|---|---|---|
| John Harris | Head | — | 65 | ~1865 |
| David Harris | Son | — | 31 | ~1899 |
| Mary Harris | Spouse | — | 65 | ~1865 |
Census Appearances
1900
Butler, Ohio
Son, age 2
Butler, Ohio · implied b. ~1898 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harris |
| Given Name | David W |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Ohio |
| Birth Month | Dec |
| Birth Year | 1898 |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1910
Butler, Ohio
Son, age 11
Butler, Ohio · implied b. ~1899
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Harris |
| Given Name | David |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1920
Butler, Ohio
Son, age 21
Butler, Ohio · implied b. ~1899 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harris |
| Given Name | David R |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Maryland |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Butler, Ohio
Son, age 31
Butler, Ohio · implied b. ~1899 — 3 household members
| Surname | Harris |
| Given Name | David |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Ohio |
| Age at First Marriage | 30 |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | Mechanic |
| Industry | Garage |
| 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 David Harris across 4 US Census years (1900, 1910, 1920 and 1930) in Butler, Ohio, using XGBoost record linkage. Identified parents: father John Harris (~0.92 confidence) and father John Harris (~0.92 confidence) and father John Harris (~0.92 confidence) and mother Mary Harris (~0.92 confidence) and mother Mary Harris (~0.92 confidence) and mother Mary Harris (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Harris
b. ~1864
Source father
● Household
· direct · ~0.92
Father
John Harris
b. ~1865
Source father
● Household
· direct · ~0.92
Father
John Harris
b. ~1865
Source father
● Household
· direct · ~0.92
Mother
Mary Harris
b. ~1865
Source mother
● Household
· direct · ~0.92
Mother
Mary Harris
b. ~1865
Source mother
● Household
· direct · ~0.92
Mother
Mary Harris
b. ~1866
Source mother
● Household
· direct · ~0.92
This person
Anchor record
David Harris
Son · 1930 · age 31 · b. ~1899 · 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 — Butler, Ohio
Open full size
1930 US Federal Census — Butler, Ohio
Page Contents
50 people indexed on this census page (ia:1930:ohiocensus00reel1754:1097)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Harold Wilson | 30 | Head | Chemist | Iowa |
| 2 | Irene Wilson | 30 | Wife | — | Iowa |
| 3 | Francis Antrobius | 30 | Head | Collector | Kentucky |
| 4 | Eva C. Antrobius | 29 | Wife | — | Kentucky |
| 5 | Mary L. Antrobius | 8 | Daughter | — | Ohio |
| 6 | James W. Antrobius | 5 | Son | — | Ohio |
| 7 | Leslie J. Salisbury | 29 | Head | Pipefitter | Iowa |
| 8 | Tiffany R. Salisbury | 23 | Wife | — | Iowa |
| 9 | Heath R. Turner | 28 | Head | Steel-Mill | Ohio |
| 10 | Margaret Turner | 24 | Wife | — | Ohio |
| 11 | Edward W. Hull | 45 | Head | Brake-Builder | Kentucky |
| 12 | Flora B. Hull | 42 | Wife | — | Kentucky |
| 13 | Hardy Hensley | 23 | Step-son | Laborer | Kentucky |
| 14 | Harold M. Hensley | 20 | Step-son | Pay Master | Kentucky |
| 15 | Harvey G. Barker | 23 | Step-son | Heater | Kentucky |
| 16 | Clyde G. Barker | 14 | Step-son | — | Kentucky |
| 17 | Charles Crosbie | 36 | Head | Foreman | Kentucky |
| 18 | Ida B. Crosbie | 37 | Wife | — | Kentucky |
| 19 | Lucile Crosbie | 8 | Daughter | — | Ohio |
| 20 | Ellen Adams | 72 | Mother-in-law | — | South Carolina |
| 21 | Thomas Carroll | 51 | Head | — | Ohio |
| 22 | Stanley Swindon | 28 | Roomer | Inspector | Kentucky |
| 23 | Vern Mull | 37 | Head | Machinist | Ohio |
| 24 | Mary E. Mull | 35 | Wife | — | Ohio |
| 25 | Thomas Mull | 14 | Son | — | Ohio |
| 26 | Margaret Fitzwater | 23 | Sister-in-law | — | Ohio |
| 27 | Mary Miller | 76 | Grandmother | — | Germany |
| 28 | Joe Messina | 42 | Head | Laborer | Italy |
| 29 | Rosina Messina | 42 | Wife | — | Italy |
| 30 | Fred Messina | 6 | Son | — | Ohio |
| 31 | Edvonia Messina | 20 | Daughter | Waitress | Italy |
| 32 | John S. Harris | 65 | Head | Laborer | Ohio |
| 33 | Mary E. Harris | 65 | Wife | — | Virginia |
| 34 | David Harris THIS PERSON | 31 | Son | Mechanic | Ohio |
| 35 | William Granfolk | 71 | Head | — | Ohio |
| 36 | George Granfolk | 44 | Son | Laborer | Ohio |
| 37 | William Granfolk | 38 | Son | Laborer | Ohio |
| 38 | Leona Lambert | 27 | Daughter | — | Ohio |
| 39 | Sebury Post | 51 | Head | Assembler | Ohio |
| 40 | Edith Post | 39 | Wife | — | Ohio |
| 41 | Mary Post | 18 | Daughter | — | Ohio |
| 42 | Hazel Post | 16 | Daughter | — | Ohio |
| 43 | James Post | 14 | Son | — | Ohio |
| 44 | Robert Post | 12 | Son | — | Ohio |
| 45 | Louise Post | 9 | Daughter | — | Ohio |
| 46 | William Campbell | 53 | Head | Watchman | Kentucky |
| 47 | Millie C. Campbell | 51 | Wife | — | Kentucky |
| 48 | William Jr. Campbell | 20 | Son | School Teacher | Kentucky |
| 49 | Thelma G. Campbell | 16 | Daughter | — | Kentucky |
| 50 | John H. Campbell | 13 | Son | — | Ohio |
Pedigree Summary
David
Gen 1 · 6 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)