CT
Clarence Thompson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Monroe-County, New York
Our Model Tree links this Clarence Thompson across the 1920, 1930 and 1940 US Censuses in Monroe-County, New York (XGBoost, ~Confirmed), with identified parents Lillian & Arthur — first a son (b.~1906), then head of a 3-person household.
Age 34
b. ~1906
Male
Son
Born: New York
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Monroe-County, New York |
| Surname | Thompson |
| Given Name | Clarence W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | New York |
| 1935 Residence (City) | Rochester City |
| 1935 Residence (County) | Monroe |
| Additional Details | |
| Occupation | salesman |
| Industry | grocery and dairy supplies |
| Class of Worker | PW |
| Hours Worked | 16 |
| Income (1939) | 40 |
| Highest Grade | H-3 |
| 1935 Residence | Same house |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Salesman |
| Township / Ward | Rochester City |
| Est. Birth Year | ~1906 |
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 1940 census.
| Name | Relation to head | Relative to Clarence | Age | Birth yr |
|---|---|---|---|---|
| Arthur Thompson | Head | — | 64 | ~1876 |
| Grace Thompson | Other | — | 28 | ~1912 |
| Clarence Thompson | Son | — | 34 | ~1906 |
Census Appearances
1920
Monroe, New …
Son, age 14
Monroe, New York · implied b. ~1906 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Clarence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1930
Monroe, New …
Son, age 24
Monroe, New York · implied b. ~1906 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Clarence D. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Occupation | Yes |
| Industry | Cleaner |
| Class of Worker | Dry Cleaners |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Monroe-County, New …
Son, age 34
Monroe-County, New York · implied b. ~1906 — 3 household members
| Surname | Thompson |
| Given Name | Clarence W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | New York |
| 1935 Residence (City) | Rochester City |
| 1935 Residence (County) | Monroe |
| Occupation | salesman |
| Industry | grocery and dairy supplies |
| Class of Worker | PW |
| Hours Worked | 16 |
| Income (1939) | 40 |
| Highest Grade | H-3 |
| 1935 Residence | Same house |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
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 (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Lillian Thompson (~0.92 confidence) and father Arthur Thompson (~0.92 confidence) and father Arthur Thompson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Lillian Thompson
b. ~1868
Source mother
● Household
· direct · ~0.92
Father
Arthur Thompson
b. ~1871
Source father
● Household
· direct · ~0.92
Father
Arthur Thompson
b. ~1876
Source father
● Household
· direct · ~0.92
This person
Anchor record
Clarence Thompson
Son · 1940 · age 34 · b. ~1906 · New York
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Monroe-County, New York
Open full size
1940 US Federal Census — Monroe-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02850-01105)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Julian C. Matthews | 46 | Head | Stereo-Typer | New York |
| 2 | Vivian Matthews | 41 | Wife | — | New York |
| 3 | Richard J. Matthews | 14 | Son | — | New York |
| 4 | Robert A. Matthews | 5 | Son | — | New York |
| 5 | Thomas J. Young | 42 | Head | Lacquer Sprayer | Canada English |
| 6 | Jennie Young | 38 | Wife | Forelady | Canada English |
| 7 | Velda Young | 18 | Daughter | Custom Staker | Canada English |
| 8 | Gladys Young | 17 | Daughter | Staker Inspector | Canada English |
| 9 | Viola Young | 16 | Daughter | — | New York |
| 10 | Edward Courneen | 57 | Head | Clerk | New York |
| 11 | Katherine Courneen | 56 | Wife | — | New York |
| 12 | Robert Courneen | 21 | Son | Stock Clerk | New York |
| 13 | Edward J. Courneen | 19 | Son | Buffing Metal | New York |
| 14 | Norman Seils | 41 | Head | Production Clerk | New York |
| 15 | Gertrude Seils | 38 | Wife | — | New York |
| 16 | Sally Seils | 13 | Daughter | — | New York |
| 17 | Glen Seils | 10 | Son | — | New York |
| 18 | Charles Seils | 68 | Father | — | Germany |
| 19 | Sophie Seils | 65 | Mother | — | New York |
| 20 | Lillie Simpson | 64 | Mother-in-law | — | New York |
| 21 | Samuel Krull | 42 | Head | Proprieter | Russia |
| 22 | Molly K. Krull | 38 | Wife | Book-Keeper | Russia |
| 23 | Helen Krull | 13 | Daughter | — | New York |
| 24 | Millicent Krull | 11 | Daughter | — | New York |
| 25 | Verne Sue Mattson | 25 | Servant | Housekeeper | South Carolina |
| 26 | George F. Jamieson | 53 | Head | Buyer | New York |
| 27 | Florence X. Jamieson | 58 | Wife | — | New York |
| 28 | Florence E. Weber | 52 | Head | Tailoress | New York |
| 29 | Margaret Ruppert | 81 | Mother | — | New York |
| 30 | Arthur W. Thompson | 64 | Head | — | New York |
| 31 | Clarence W. Thompson THIS PERSON | 34 | Son | Salesman | New York |
| 32 | Grace Thompson | 28 | Daughter-in-law | Seamstress | New York |
| 33 | Maude Reddy | 57 | Head | — | New York |
| 34 | Raymond Fonkrille | 24 | Lodger | Stock Clerk | New York |
| 35 | Floyd Crompton | 40 | Lodger | Typist | New York |
| 36 | Frank V. Swan | 45 | Head | Bar Tender | New York |
| 37 | Rose Swan | 45 | Wife | — | New York |
| 38 | Frank A. Swan | 68 | Father | Chief Operator | New York |
| 39 | Robert Nicoll | 37 | Head | Plumber | Scotland |
| 40 | Dorothy W. Nicoll | 37 | Wife | Waitress | Scotland |
Pedigree Summary
Clarence
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 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)