AT
Arthur Thompson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Monroe-County, Florida
Our Model Tree links this Arthur Thompson across the 1920, 1930 and 1940 US Censuses in Monroe-County, Florida (XGBoost, ~Confirmed), with identified parents Mary — first a head (b.~1901), then head of a 7-person household.
Age 39
b. ~1901
Male
Head
Born: Florida
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Monroe-County, Florida |
| Surname | Thompson |
| Given Name | Arthur S |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Florida |
| 1935 Residence (City) | Key West city |
| 1935 Residence (County) | Monroe |
| Additional Details | |
| Occupation | fisherman |
| Industry | wholesale fishing |
| Class of Worker | OA |
| Hours Worked | 48 |
| Income (1939) | 900 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
| Occupation | Fisherman |
| Township / Ward | Key West City |
| Est. Birth Year | ~1901 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Arthur | Age | Birth yr |
|---|---|---|---|---|
| Metilda Thompson | Daughter | — | 2 | ~1938 |
| Arthur Thompson | Head | — | 39 | ~1901 |
| Arthur Thompson | Son | — | 15 | ~1925 |
| Bert Thompson | Son | — | 8 | ~1932 |
| George Thompson | Son | — | 6 | ~1934 |
| Reace Thompson | Son | — | 17 | ~1923 |
| Otilia Thompson | Spouse | — | 32 | ~1908 |
Census Appearances
1920
Monroe, Florida
Son, age 18
Monroe, Florida · implied b. ~1902 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Arthur J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Florida |
| Father's Birthplace | Bahamas |
| Mother's Birthplace | Florida |
| Occupation | Chauffeur |
| Industry | Automobile Co. |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
1930
Monroe, Florida
Head, age 29
Monroe, Florida · implied b. ~1901 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Arthur |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Florida |
| Age at First Marriage | 86V0 |
| Father's Birthplace | Bahamas |
| Mother's Birthplace | Bahamas |
| Occupation | Fisherman |
| Industry | Fishing |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 12 |
| Veteran | no |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
1940
Monroe-County, Florida
Head, age 39
Monroe-County, Florida · implied b. ~1901 — 7 household members
| Surname | Thompson |
| Given Name | Arthur S |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Florida |
| 1935 Residence (City) | Key West city |
| 1935 Residence (County) | Monroe |
| Occupation | fisherman |
| Industry | wholesale fishing |
| Class of Worker | OA |
| Hours Worked | 48 |
| Income (1939) | 900 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
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 Arthur Thompson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Mary Thompson (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Mary Thompson
b. ~1872
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Arthur Thompson
Head · 1940 · age 39 · b. ~1901 · Florida
★ 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, Florida
Open full size
1940 US Federal Census — Monroe-County, Florida
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-00601-00311)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Anita E Ponce | 15 | daughter | — | Florida |
| 2 | Charlotte E Kemper | 72 | mother-in-law | — | Florida |
| 3 | Laura G Archer | 61 | head | — | Florida |
| 4 | John J Archer | 28 | son | Salesman | Florida |
| 5 | Helen C Archer | 24 | wife | Stenographer | Florida |
| 6 | Wilson E Russell | 56 | brother | Watchman | Florida |
| 7 | Arthur S Thompson THIS PERSON | 39 | head | Fisherman | Florida |
| 8 | Otilia L Thompson | 32 | wife | — | Florida |
| 9 | Reace A Thompson | 17 | son | New Worker | Florida |
| 10 | Arthur G Thompson | 15 | son | — | Florida |
| 11 | Bert R Thompson | 8 | son | — | Florida |
| 12 | George F Thompson | 6 | son | — | Florida |
| 13 | Metilda L Thompson | 2 | daughter | — | Florida |
| 15 | Mcgregor Sands | 72 | head | Carpenter | Bahama Islands |
| 16 | Adrianna Sands | 64 | wife | — | Bahama Islands |
| 17 | Charles A Sands | 25 | son | Laborer | Florida |
| 18 | Clyde Thompson | 26 | roomer | Fisherman | Florida |
| 19 | Marcella Thompson | 20 | roomer | — | Florida |
| 20 | Thomas H Thompson | 51 | head | Fisherman | Florida |
| 21 | Mary A Thompson | 53 | wife | — | Florida |
| 22 | Ruby K Thompson | 23 | daughter | Recreation | Florida |
| 23 | Barbara E Thompson | 18 | daughter | — | Florida |
| 24 | Edmund H Thompson | 15 | son | — | Florida |
| 25 | Martha E Thompson | 14 | daughter | — | Florida |
| 26 | Walter C Thompson | 12 | son | — | Florida |
| 27 | George S Russell | 80 | head | Fisherman | Bahama Islands |
| 28 | Bertha G Russell | 74 | wife | — | Florida |
| 29 | Mary E Thompson | 70 | head | — | Florida |
| 30 | Wilber Thompson | 42 | son | Mechanic | Florida |
| 31 | Flora Thompson | 40 | daughter-in-law | — | Florida |
| 32 | Mary E Thompson | 13 | daughter | — | Florida |
| 33 | John J Kirchumboum | 53 | head | Truck Driver | New York |
| 34 | Nellie S Kirchumboum | 52 | wife | — | Florida |
| 35 | Nick Pessas | 28 | head | Chief Cook | Florida |
| 36 | Ruth Pessas | 27 | wife | — | Virginia |
| 37 | Olga Pessas | 49 | mother | — | Turkey |
| 38 | Hanoi Hjort | 29 | head | Checker | Florida |
| 39 | Charles M Hjort | 4 | son | — | Florida |
| 40 | Oscar Cruz | 43 | head | Fireman | Florida |
Pedigree Summary
Arthur
Gen 1 · 1 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)