WH
William Harper — 1940 US Census Record
Model Tree available1940 United States Federal Census · Franklin-County, Ohio
Our Model Tree links this William Harper across the 1920, 1930 and 1940 US Censuses in Franklin-County, Ohio (XGBoost, ~Confirmed), with identified parents Ann & William — first a son (b.~1911), then head of a 5-person household.
Age 29
b. ~1911
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Franklin-County, Ohio |
| Surname | Harper |
| Given Name | William P |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Columbus |
| 1935 Residence (County) | Franklin |
| Additional Details | |
| Occupation | Manager |
| Industry | Coal Company |
| Class of Worker | PW |
| Hours Worked | 46 |
| Income (1939) | 400 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Manager |
| Township / Ward | Columbus |
| Est. Birth Year | ~1911 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Mary Harper | Daughter | — | 22 | ~1918 |
| William Harper | Head | — | 55 | ~1885 |
| William Harper | Son | — | 29 | ~1911 |
| Bob Harper | Son | — | 17 | ~1923 |
| Ann Harper | Spouse | — | 56 | ~1884 |
Census Appearances
1920
Franklin, Ohio
Son, age 8
Franklin, Ohio · implied b. ~1912 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harper |
| Given Name | William |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | none |
| Can Read | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Franklin, Ohio
Son, age 19
Franklin, Ohio · implied b. ~1911 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harper |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Ohio |
| Age at First Marriage | 19 |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | Phone operator |
| Industry | State Auto Dept |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Franklin-County, Ohio
Son, age 29
Franklin-County, Ohio · implied b. ~1911 — 5 household members
| Surname | Harper |
| Given Name | William P |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Columbus |
| 1935 Residence (County) | Franklin |
| Occupation | Manager |
| Industry | Coal Company |
| Class of Worker | PW |
| Hours Worked | 46 |
| Income (1939) | 400 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| 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 Harper across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Ann Harper (~0.92 confidence) and father William Harper (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Ann Harper
b. ~1884
Source mother
● Household
· direct · ~0.92
Father
William Harper
b. ~1886
Source father
● Household
· direct · ~0.92
This person
Anchor record
William Harper
Son · 1940 · age 29 · b. ~1911 · Ohio
★ You are viewing this record
Sibling
Mary Harper
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bob Harper
Sibling · 1940 · age 17
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
1940 US Federal Census — Franklin-County, Ohio
Open full size
1940 US Federal Census — Franklin-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03240-00047)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Anna Demko | 27 | Head | — | Ohio |
| 2 | Kathleen Demko | 6 | daughter | — | Ohio |
| 3 | John Demko | 4 | son | — | Ohio |
| 4 | Hattie Lambrecht | 58 | mother-in-law | Operator | Ohio |
| 5 | Marcella Lambrecht | 23 | sister-in-law | — | Ohio |
| 6 | George Kneiland | 32 | Head | Retired | Ky |
| 7 | William Kneiland | 5 | Son | Carpenter | Ohio |
| 8 | William H Harper | 55 | Head | Conductor | Ohio |
| 9 | Ann Harper | 56 | wife | — | Ohio |
| 10 | William P Harper THIS PERSON | 29 | son | Manager | Ohio |
| 11 | Mary Harper | 22 | daughter | Office-Work | Ohio |
| 12 | Bob Harper | 17 | son | — | Ohio |
| 13 | William Schurr | 47 | Head | Machinist | Germany |
| 14 | Dora Schurr | 47 | wife | — | Germany |
| 15 | Otto Grunder | 33 | Roomer | Clerk | Germany |
| 16 | Albert Smith | 43 | Head | Janitor | Ohio |
| 17 | Catherine Smith | 52 | wife | — | Ohio |
| 18 | Margaret Smith | 22 | daughter | Accounting Dept | Ohio |
| 19 | Harold B Hill | 36 | Head | Welder | Ohio |
| 20 | Mary Hill | 33 | wife | — | Ohio |
| 21 | Harold Jr Hill | 17 | son | — | Ohio |
| 22 | John Hill | 16 | son | — | Ohio |
| 23 | Ruth Hill | 13 | daughter | — | Ohio |
| 24 | Christ Feller | 58 | Head | Yard-Man In Shop | Switzerland |
| 25 | Edith Feller | 57 | wife | — | Ohio |
| 26 | Gladys Feller | 31 | daughter | Clerk | Ohio |
| 27 | Mario Cheeseman | 32 | Roomer | Clerk-Repair | Ohio |
| 28 | Otis Peck | 56 | Head | Janitor | Ohio |
| 29 | Lettitia Peck | 52 | wife | Maid | Ohio |
| 30 | Howard Peck | 21 | son | Box-Worker | Ohio |
| 31 | Edna Peck | 19 | daughter | Clerk | Ohio |
| 32 | Robert Peck | 15 | son | — | Ohio |
| 33 | Gleener Becker | 27 | Head | Machinist | Ohio |
| 34 | Gertrude Becker | 26 | wife | — | Ohio |
| 35 | Richard Becker | 1 | son | — | Ohio |
| 36 | Michael Bago | 28 | Head | Grocery Clerk | Ohio |
| 37 | Selma Bago | 25 | wife | Egg Wrapper | Ohio |
| 38 | Thomas Mority | 70 | Head | Laborer | Ohio |
| 39 | Clara Mority | 67 | wife | — | Ohio |
| 40 | Homer Forsyth | 57 | Head | Watchman | Ohio |
Related Census Records
Pedigree Summary
William + 2 siblings
Gen 1 · 2 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 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)