JH
John Harper — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Orange, California
Our Model Tree links this John Harper across the 1910, 1920 and 1930 US Censuses in Orange, California (XGBoost, ~Confirmed) — first a head (b.~1857), then head of a 3-person household.
Age 63
b. ~1857
Male
Head
Born: Ohio
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Orange, California |
| Surname | Harper |
| Given Name | John C |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 63 |
| Marital Status | Married |
| Birthplace | Ohio |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Ohio |
| Additional Details | |
| Occupation | rancher |
| Industry | ranch |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Rancher |
| Township / Ward | Orange City |
| Est. Birth Year | ~1857 |
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 1920 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Harper | Head | — | 63 | ~1857 |
| Elmer Harper | Son | — | 23 | ~1897 |
| Eliza Harper | Spouse | — | 57 | ~1863 |
Census Appearances
1910
Orange, California
Head, age 53
Orange, California · implied b. ~1857 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harper |
| Given Name | John |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Ohio |
| Years Married | 27 |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Ohio |
| Occupation | farm laborer |
| Industry | home ranch |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1920
Orange, California
Head, age 63
Orange, California · implied b. ~1857 — 3 household members
| Surname | Harper |
| Given Name | John C |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 63 |
| Marital Status | Married |
| Birthplace | Ohio |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Ohio |
| Occupation | rancher |
| Industry | ranch |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Orange, California
Other, age 74
Orange, California · implied b. ~1856 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harper |
| Given Name | John C. |
| Relationship to Head | Father |
| Sex | M |
| Color / Race | White |
| Age | 74 |
| Marital Status | Married |
| Birthplace | Ohio |
| Age at First Marriage | 24 |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Ohio |
| Occupation | none |
| 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 John Harper across 3 US Census years (1910, 1920 and 1930) in Orange, California, using XGBoost record linkage.
Show:
This person
Anchor record
John Harper
Head · 1920 · age 63 · b. ~1857 · California
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Orange, California
Open full size
1920 US Federal Census — Orange, California
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu123unit:0941)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Dorothy Bair | 10 | daughter | None | California |
| 2 | Arthur J Darwall | 57 | head | Packer | Minnesota |
| 3 | Clara S Darwall | 39 | wife | None | Minnesota |
| 4 | Charles D Darwall | 75 | father | None | Canada |
| 5 | Charles R Weaver | 45 | head | Proprietor | Illinois |
| 6 | Eulalia Weaver | 41 | wife | None | Illinois |
| 7 | Lola Robinson | 19 | boarder | Clerk | Washington |
| 8 | Luella Robinson | 16 | boarder | None | Washington |
| 9 | Ralph M Adams | 29 | head | Mail Clerk | Missouri |
| 10 | Joshua A Adams | 24 | wife | None | Germany |
| 11 | Robert Adams | 2 | son | None | California |
| 12 | Hallie V Crane | 37 | head | Money Order Clerk | California |
| 13 | Meral H Crane | 30 | wife | None | Missouri |
| 14 | Oscar Starns | 44 | head | Laborer | Missouri |
| 15 | Lee Starns | 31 | wife | None | Kentucky |
| 16 | Lucille Starns | 3 | daughter | None | Missouri |
| 17 | James Humphry | 67 | father-in-law | Laborer | Illinois |
| 18 | James Humphry | 19 | brother-in-law | Laborer | Missouri |
| 19 | Elmer Hayward | 54 | head | Rancher | Iowa |
| 20 | Callie M Hayward | 35 | wife | None | Wisconsin |
| 21 | Dorothy H Hayward | 14 | daughter | None | California |
| 22 | Mary Louise Hayward | 11 | daughter | None | California |
| 23 | Lucille H Hayward | 10 | daughter | None | California |
| 24 | John H Kurtz | 67 | head | Rancher | Pennsylvania |
| 25 | Anna E Kurtz | 62 | wife | None | Missouri |
| 26 | Milton H Kurtz | 22 | son | Rancher | California |
| 27 | Walter E Hutchins | 34 | head | Manager | Nebraska |
| 28 | Nina Hutchins | 33 | wife | None | Nebraska |
| 29 | Francis Hutchins | 10 | son | None | Nebraska |
| 30 | Lillian Hutchins | 7 | daughter | None | Nebraska |
| 31 | Sherman Holmes | 53 | head | Rancher | Ohio |
| 32 | Minnie Holmes | 49 | wife | None | Iowa |
| 33 | George B Holmes | 50 | head | Painter | Ohio |
| 34 | Edith Holmes | 43 | wife | None | Wisconsin |
| 35 | John W Huber | 34 | head | Rancher | Kansas |
| 36 | Emma Huber | 34 | wife | None | Kansas |
| 37 | Maxine V Huber | 1 | daughter | None | Colorado |
| 38 | John C Harper THIS PERSON | 63 | head | Rancher | Ohio |
| 39 | Eliza E Harper | 57 | wife | None | Ohio |
| 40 | Elmer R Harper | 23 | son | Laborer | Ohio |
| 41 | Wm A Morrison | 50 | head | Rancher | Illinois |
| 42 | Paul A Worker | 25 | head | Rancher | Washington |
| 43 | Eugenia Worker | 28 | wife | None | Ohio |
| 44 | James Melhan | 39 | head | Rancher | Nebraska |
| 45 | Edith Melhan | 36 | wife | None | Montana |
| 46 | Ray R Handy | 35 | head | Rancher | California |
| 47 | Ray Grunwell | 27 | head | Rancher | California |
| 48 | Rella Grunwell | 27 | wife | None | Missouri |
| 49 | Emil Hannes | 25 | head | Rancher | Canada |
| 50 | Rosa Hannes | 19 | wife | None | California |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)