TC
Thomas Clark — 1920 US Census Record
Model Tree available1920 United States Federal Census · Mifflin, Pennsylvania
Our Model Tree links this Thomas Clark across the 1900, 1910 and 1920 US Censuses in Mifflin, Pennsylvania (XGBoost, ~Confirmed), with identified parents John & Enoch — first a head (b.~1884), then head of a 4-person household.
Age 36
b. ~1884
Male
Head
Born: Pennsylvania
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Mifflin, Pennsylvania |
| Surname | Clark |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | Laborer |
| Industry | Steam Railroad |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Laborer |
| Township / Ward | Bratton Township |
| Est. Birth Year | ~1884 |
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 1920 census.
| Name | Relation to head | Relative to Thomas | Age | Birth yr |
|---|---|---|---|---|
| Mabel Clark | Daughter | — | 3 | ~1917 |
| Thomas Clark | Head | — | 36 | ~1884 |
| John Watt | Other | — | 28 | ~1892 |
| Annie Clark | Spouse | — | 36 | ~1884 |
Census Appearances
1900
Mifflin, Pennsylvania
Son, age 17
Mifflin, Pennsylvania · implied b. ~1883 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Birth Month | June |
| Birth Year | 1883 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Day Laborer |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1910
Mifflin, Pennsylvania
Son, age 26
Mifflin, Pennsylvania · implied b. ~1884 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Laborer |
| Industry | Sand works |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Mifflin, Pennsylvania
Head, age 36
Mifflin, Pennsylvania · implied b. ~1884 — 4 household members
| Surname | Clark |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Laborer |
| Industry | Steam Railroad |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 Thomas Clark across 3 US Census years (1900, 1910 and 1920) in Mifflin, Pennsylvania, using XGBoost record linkage. Identified parents: father John Clark (~0.92 confidence) and father Enoch Clark (~0.92 confidence) and mother Susan Clark (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Clark
b. ~1848
Source father
● Household
· direct · ~0.92
Father
Enoch Clark
b. ~1852
Source father
● Household
· direct · ~0.92
Mother
Susan Clark
b. ~1852
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thomas Clark
Head · 1920 · age 36 · b. ~1884 · Pennsylvania
★ 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 — Mifflin, Pennsylvania
Open full size
1920 US Federal Census — Mifflin, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1600unit:1103)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Daniel Heister | 72 | Head | — | Pennsylvania |
| 2 | Sarah Heister | 72 | Wife | — | Pennsylvania |
| 3 | James Johnson | 13 | Grandson | — | Pennsylvania |
| 4 | Carl B. Swigart | 28 | Head | Laborer | Pennsylvania |
| 5 | Jennie F. Swigart | 28 | Wife | — | Pennsylvania |
| 6 | Wilmer Swigart | 1 | Son | — | Pennsylvania |
| 7 | Emma Elfend | 71 | Head | — | Pennsylvania |
| 8 | Elmer Harshbarger | 30 | Head | Carpenter | Pennsylvania |
| 9 | Nellie Harshbarger | 29 | Wife | — | Pennsylvania |
| 10 | Joseph J. Harshbarger | 6 | Son | — | Pennsylvania |
| 11 | Harold C. Harshbarger | 5 | Son | — | Pennsylvania |
| 12 | Annie Harshbarger | 3 | Daughter | — | Pennsylvania |
| 13 | Velda Harshbarger | 2 | Daughter | — | Pennsylvania |
| 14 | Thomas Clark THIS PERSON | 36 | Head | Laborer | Pennsylvania |
| 15 | Annie C. Clark | 36 | Wife | — | Pennsylvania |
| 16 | Mabel G. Clark | 3 | Daughter | — | Pennsylvania |
| 17 | John Watt | 28 | Brother-in-law | Laborer | Pennsylvania |
| 18 | Charles B. Like | 61 | Head | Foreman | Pennsylvania |
| 19 | Ida M. Like | 58 | Wife | — | Pennsylvania |
| 20 | Lila M. Like | 20 | Daughter | Teacher | Pennsylvania |
| 21 | Irma H. Like | 14 | Daughter | — | Pennsylvania |
| 22 | Margerite Triteman | 14 | Grand Daughter | — | Pennsylvania |
| 23 | Elizabeth Spuce | 60 | Head | — | Pennsylvania |
| 24 | Celia Harshbarger | 82 | Head | — | Pennsylvania |
| 25 | Annie Harshbarger | 54 | Daughter | — | Pennsylvania |
| 26 | Grandson Remmick | 34 | Grandson | Laborer | Pennsylvania |
| 27 | Lloyd Remmick | 28 | Grandson | Laborer | Pennsylvania |
| 28 | Margaret Replogle | 81 | Head | — | Pennsylvania |
| 29 | George Penepecker | 50 | Head | Manager | Pennsylvania |
| 30 | Annie Penepecker | 43 | Wife | — | Pennsylvania |
| 31 | Henry Miller | 64 | Head | Fireman | Pennsylvania |
| 32 | Mary Miller | 67 | Wife | — | Ohio |
| 33 | Peter Harshbarger | 34 | Head | Laborer | Pennsylvania |
| 34 | Mabel Harshbarger | 33 | Wife | — | Pennsylvania |
| 35 | Mary D. Harshbarger | 10 | Daughter | — | Pennsylvania |
| 36 | Grant Boaz | 62 | Head | Laborer | Pennsylvania |
| 37 | Rebecca Boaz | 44 | Wife | — | Pennsylvania |
| 38 | Harry Boaz | 15 | Son | — | Pennsylvania |
| 39 | Melvin Boaz | 14 | Son | — | Pennsylvania |
| 40 | Hugh Boaz | 12 | Son | — | Pennsylvania |
| 41 | Jesse Boaz | 10 | Son | — | Pennsylvania |
| 42 | Grace Boaz | 9 | Daughter | — | Pennsylvania |
| 43 | Merril Boaz | 6 | Son | — | Pennsylvania |
| 44 | Esther Boaz | 4 | Daughter | — | Pennsylvania |
| 45 | William Book | 22 | Nephew | Laborer | Pennsylvania |
| 46 | David Harshbarger | 79 | Head | — | Pennsylvania |
| 47 | Charles Hesser | 25 | Head | Laborer | Pennsylvania |
| 48 | Anna Hesser | 23 | Wife | — | Pennsylvania |
| 49 | Warren Harshbarger | 23 | Head | Laborer | Pennsylvania |
| 50 | Helen Harshbarger | 20 | Wife | — | Pennsylvania |
Pedigree Summary
Thomas
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 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)