JH
John Harmon — 1910 US Census Record
Model Tree available1910 United States Federal Census · Garfield, Oklahoma
Our Model Tree links this John Harmon across the 1900, 1910 and 1920 US Censuses in Garfield, Oklahoma (XGBoost, ~Confirmed), with identified parents Calvin & Sue — first a son (b.~1896), then head of a 6-person household.
Age 14
b. ~1896
Male
Son
Born: Oklahoma
Single
1910 Census Record Details
| Census Year | 1910 |
| Location | Garfield, Oklahoma |
| Surname | Harmon |
| Given Name | John C |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | Farm laborer |
| Industry | Home farm |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
| Occupation | Farm Laborer |
| Township / Ward | Olive Township |
| Est. Birth Year | ~1896 |
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.
6 people recorded at the same address in the 1910 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Calvin Harmon | Head | — | 44 | ~1866 |
| John Harmon | Son | — | 14 | ~1896 |
| Frederick Harmon | Son | — | 2 | ~1908 |
| George Harmon | Son | — | 15 | ~1895 |
| Leslie Harmon | Son | — | 7 | ~1903 |
| Sue Harmon | Spouse | — | 43 | ~1867 |
Census Appearances
1900
Garfield, Oklahoma
Son, age 3
Garfield, Oklahoma · implied b. ~1897 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harmon |
| Given Name | John L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| Birth Month | Feb |
| Birth Year | 1897 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
1910
Garfield, Oklahoma
Son, age 14
Garfield, Oklahoma · implied b. ~1896 — 6 household members
| Surname | Harmon |
| Given Name | John C |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Farm laborer |
| Industry | Home farm |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
1920
Garfield, Oklahoma
Head, age 23
Garfield, Oklahoma · implied b. ~1897 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harman |
| Given Name | John E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Married |
| Birthplace | Oklahoma |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Farm Laborer |
| Industry | Working Out |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
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 Harmon across 3 US Census years (1900, 1910 and 1920) in Garfield, Oklahoma, using XGBoost record linkage. Identified parents: father Calvin Harmon (~0.92 confidence) and mother Sue Harmon (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Calvin Harmon
b. ~1866
Source father
● Household
· direct · ~0.92
Mother
Sue Harmon
b. ~1867
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Harmon
Son · 1910 · age 14 · b. ~1896 · Oklahoma
★ You are viewing this record
Sibling
George Harmon
Sibling · 1910 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frederick Harmon
Sibling · 1910 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leslie Harmon
Sibling · 1910 · age 7
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
1910 US Federal Census — Garfield, Oklahoma
Open full size
1910 US Federal Census — Garfield, Oklahoma
Page Contents
48 people indexed on this census page (ia:1910:13thcensus1910po1251unit:1086)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | David J Brown | 33 | Head | Farmer | Kentucky |
| 2 | Bertha Brown | 23 | Wife | — | Kentucky |
| 3 | Doris Brown | 4 | Son | — | Kentucky |
| 4 | Euchlid Brown | 1 | Son | — | Oklahoma |
| 5 | Amos Campbell | 47 | Head | Farmer | Indiana |
| 6 | Clara A Campbell | 37 | Wife | — | Illinois |
| 7 | George N Campbell | 18 | Son | Farm Laborer | Kansas |
| 8 | Harold A Campbell | 16 | Son | Farm Laborer | Kansas |
| 9 | James Campbell | 12 | Son | Farm Laborer | Oklahoma |
| 10 | Carrie May Campbell | 10 | Daughter | — | Oklahoma |
| 11 | Ruth Marie Campbell | 8 | Daughter | — | Oklahoma |
| 12 | Jesse H Campbell | 5 | Son | — | Oklahoma |
| 13 | Gustav Neundorf | 68 | Head | Farmer | Ger. |
| 14 | Mary Neundorf | 66 | Wife | — | Ger. |
| 15 | William L Disney | 28 | Head | Farmer | Kansas |
| 16 | Mary Disney | 27 | Wife | — | Iowa |
| 17 | Elmer Disney | 8 | Son | — | Oklahoma |
| 18 | Gertie Disney | 6 | Daughter | — | Kansas |
| 19 | Emil N Geisler | 46 | Head | Farmer | Ger. |
| 20 | Bertha Geisler | 39 | Wife | — | Ger. |
| 21 | William E Geisler | 18 | Son | Farm Laborer | Wisconsin |
| 22 | Selma B Geisler | 16 | Daughter | — | Wisconsin |
| 23 | Walter A Geisler | 15 | Son | Farm Laborer | Wisconsin |
| 24 | George R Geisler | 13 | Son | Farm Laborer | Iowa |
| 25 | Alvin K Geisler | 11 | Son | Farm Laborer | Iowa |
| 26 | Imo M Geisler | 10 | Son | — | Iowa |
| 27 | Frederick J Geisler | 8 | Son | — | Oklahoma |
| 28 | Arthur Geisler | 3 | Son | — | Oklahoma |
| 29 | Emma G Geisler | 1 | Daughter | — | Oklahoma |
| 30 | Calvin F Harmon | 44 | Head | Farmer | Pennsylvania |
| 31 | Sue Harmon | 43 | Wife | — | Pennsylvania |
| 32 | George A Harmon | 15 | Son | Farm Laborer | Kansas |
| 33 | John C Harmon THIS PERSON | 14 | Son | Farm Laborer | Oklahoma |
| 34 | Leslie C Harmon | 7 | Son | — | Oklahoma |
| 35 | Frederick G Harmon | 2 | Son | — | Oklahoma |
| 36 | Seth Goodwin | 34 | Head | Farmer | Missouri |
| 37 | Roxy Goodwin | 33 | Wife | — | Indiana |
| 38 | Elvis J Goodwin | 2 | Son | — | Oklahoma |
| 39 | Addie B Simpson | 38 | Head | Farmer | Kansas |
| 40 | Iona Simpson | 34 | Wife | — | Kansas |
| 41 | Gladys Simpson | 14 | Daughter | Farm Laborer | Oklahoma |
| 42 | Hazel Simpson | 12 | Daughter | Farm Laborer | Oklahoma |
| 43 | Florence Simpson | 11 | Daughter | — | Oklahoma |
| 44 | Ephraim Simpson | 10 | Son | Farm Laborer | Oklahoma |
| 45 | Blanche Simpson | 6 | Daughter | — | Oklahoma |
| 46 | Ethel Simpson | 4 | Daughter | — | Oklahoma |
| 47 | Albert Simpson | 2 | Son | — | Oklahoma |
| 48 | Baby Simpson | 0 | Son | — | Oklahoma |
Pedigree Summary
John + 3 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 1910 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)