CT
Clarence Thompson — 1920 US Census Record
Model Tree available1920 United States Federal Census · Montgomery, Pennsylvania
Our Model Tree links this Clarence Thompson across the 1900, 1910 and 1920 US Censuses in Montgomery, Pennsylvania (XGBoost, ~Confirmed), with identified parents William & William — first a son (b.~1887), then head of a 4-person household.
Age 33
b. ~1887
Male
Son
Born: Pennsylvania
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Montgomery, Pennsylvania |
| Surname | Thompson |
| Given Name | Clarence S. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Royersford Borough |
| Est. Birth Year | ~1887 |
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 Clarence | Age | Birth yr |
|---|---|---|---|---|
| William Thompson | Head | — | 66 | ~1854 |
| Edna Thompson | Other | — | 27 | ~1893 |
| Clarence Thompson | Son | — | 33 | ~1887 |
| Susie Thompson | Spouse | — | 63 | ~1857 |
Census Appearances
1900
Montgomery, Pennsylvania
Son, age 14
Montgomery, Pennsylvania · implied b. ~1886 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Clarence E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Birth Month | Oct |
| Birth Year | 1886 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | At School |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1910
Montgomery, Pennsylvania
Son, age 23
Montgomery, Pennsylvania · implied b. ~1887 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Clarence E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Ticket Agent |
| Industry | Railroad |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Montgomery, Pennsylvania
Son, age 33
Montgomery, Pennsylvania · implied b. ~1887 — 4 household members
| Surname | Thompson |
| Given Name | Clarence S. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| 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 Clarence Thompson across 3 US Census years (1900, 1910 and 1920) in Montgomery, Pennsylvania, using XGBoost record linkage. Identified parents: father William Thompson (~0.92 confidence) and father William Thompson (~0.92 confidence) and father William Thompson (~0.92 confidence) and mother Susan Thompson (~0.92 confidence) and mother Susie Thompson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Thompson
b. ~1843
Source father
● Household
· direct · ~0.92
Father
William Thompson
b. ~1853
Source father
● Household
· direct · ~0.92
Father
William Thompson
b. ~1854
Source father
● Household
· direct · ~0.92
Mother
Susan Thompson
b. ~1856
Source mother
● Household
· direct · ~0.92
Mother
Susie Thompson
b. ~1857
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Clarence Thompson
Son · 1920 · age 33 · b. ~1887 · 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 — Montgomery, Pennsylvania
Open full size
1920 US Federal Census — Montgomery, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1605unit:0737)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Joseph W. Deery | 33 | Head | Stove Molder | Pennsylvania |
| 52 | Eva E. Deery | 33 | Wife | None | New Jersey |
| 53 | Joseph W. Deery | 7 | Son | None | Pennsylvania |
| 54 | Dorothy E. Deery | 5 | Daughter | None | Pennsylvania |
| 55 | Linn B. Deery | 3 | Son | None | Pennsylvania |
| 56 | Harry Evans | 36 | Head | Stove Molder | Pennsylvania |
| 57 | Kathryn Evans | 33 | Wife | None | Pennsylvania |
| 58 | M. Margaret Evans | 13 | Daughter | None | Pennsylvania |
| 59 | K. Beatrice Evans | 9 | Daughter | None | Pennsylvania |
| 60 | Robert W. Evans | 6 | Son | None | Pennsylvania |
| 61 | Thelma M. Evans | 3 | Daughter | None | Pennsylvania |
| 62 | Edward F. Greiner | 65 | Head | None | New Jersey |
| 63 | Marie Greiner | 61 | Wife | None | New Jersey |
| 64 | William S. Lewis | 43 | Son-in-law | Laborer | Pennsylvania |
| 65 | Loretta A. Lewis | 42 | Daughter | None | New Jersey |
| 66 | Edward W. Lewis | 14 | Grandson | None | Pennsylvania |
| 67 | Josephine S. Emmer | 20 | Grand-dau | Pipe Fitter | Pennsylvania |
| 68 | Jeanette Emmer | 20 | Grand-dau | None | Pennsylvania |
| 69 | Anna S. Greiner | 46 | Daughter | Manicurist | New Jersey |
| 70 | Russell R. Fox | 24 | Head | Glass Blower | Pennsylvania |
| 71 | Lillie M. Fox | 27 | Wife | None | Pennsylvania |
| 72 | Arline M. Fox | 1 | Daughter | None | Pennsylvania |
| 73 | Donald P. Rozabaugh | 32 | Head | Brick Layer | Pennsylvania |
| 74 | Kathryn C. Rozabaugh | 32 | Wife | None | Pennsylvania |
| 75 | Dorothy Rozabaugh | 6 | Daughter | None | Pennsylvania |
| 76 | Arnold B. Rozabaugh | 2 | Son | None | Pennsylvania |
| 77 | Charles B. Rozabaugh | 0 | Son | None | Pennsylvania |
| 78 | Decatur Winland | 81 | Head | None | Pennsylvania |
| 79 | Mary J. Shaffer | 69 | Sister-in-law | None | Pennsylvania |
| 80 | Everett Larkin | 38 | Head | Polisher | Pennsylvania |
| 81 | Naomi B. Larkin | 31 | Wife | Housekeeper | Pennsylvania |
| 82 | Paul E. Larkin | 9 | Son | Farmer | Pennsylvania |
| 83 | Caroline F. Larkin | 5 | Daughter | None | Pennsylvania |
| 84 | Phyllis L. Larkin | 2 | Daughter | None | Pennsylvania |
| 85 | William C. Thompson | 66 | Head | None | Pennsylvania |
| 86 | Susie Thompson | 63 | Wife | Crossing Watchman | Pennsylvania |
| 87 | Clarence S. Thompson THIS PERSON | 33 | Son | None | Pennsylvania |
| 88 | Edna H. Thompson | 27 | Daughter-in-law | Chief Clerk | Pennsylvania |
| 89 | William C. Thompson | 35 | Head | None | Pennsylvania |
| 90 | Millie F. Thompson | 40 | Wife | Glass Blower | Pennsylvania |
| 91 | Earl S. Heffline | 27 | Head | None | Pennsylvania |
| 92 | Stella M. Heffline | 25 | Wife | Carpenter | Pennsylvania |
| 93 | Theodore Nelson | 51 | Head | None | Sweden |
| 94 | Charlotte Nelson | 47 | Wife | Pot Maker | Sweden |
| 95 | Ellen E. Nelson | 19 | Daughter | None | Pennsylvania |
| 96 | Anna F. Nelson | 16 | Daughter | None | Pennsylvania |
| 97 | Harland J. Nelson | 13 | Son | None | New Jersey |
| 98 | Charles Diller | 31 | Son-in-law | None | New Jersey |
| 99 | Bertha E. Diller | 28 | Daughter | Glass Blower | Pennsylvania |
| 100 | Nela L. Diller | 0 | Grand-dau | None | New Jersey |
Pedigree Summary
Clarence
Gen 1 · 5 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)