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James Simpson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Lake-County, Florida
Our Model Tree links this James Simpson across the 1910, 1920, 1930 and 1940 US Censuses in Lake-County, Florida (XGBoost, ~Confirmed) — first a head (b.~1875), then head of a 3-person household.
Age 65
b. ~1875
Male
Head
Born: Florida
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Lake-County, Florida |
| Surname | Simpson |
| Given Name | James W. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 65 |
| Marital Status | Widowed |
| Birthplace | Florida |
| 1935 Residence (City) | Mount Dora City |
| 1935 Residence (County) | Lake |
| Additional Details | |
| Occupation | Owner |
| Industry | Citrus Packing |
| Class of Worker | E |
| Hours Worked | 72 |
| Income (1939) | 350 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
| Occupation | Owner |
| Township / Ward | Mount Dora City |
| Est. Birth Year | ~1875 |
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 James | Age | Birth yr |
|---|---|---|---|---|
| Mary Simpson | Daughter | — | 22 | ~1918 |
| James Simpson | Head | — | 65 | ~1875 |
| Howard Simpson | Son | — | 24 | ~1916 |
Census Appearances
1910
Lake, Florida
Head, age 31
Lake, Florida · implied b. ~1879 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Simpson |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Mulatto |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Florida |
| Years Married | 9 |
| Father's Birthplace | Georgia |
| Mother's Birthplace | South Carolina |
| Occupation | Laborer |
| Industry | Fruit Farm |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
1920
Lake, Florida
Head, age 41
Lake, Florida · implied b. ~1879 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Simpson |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Florida |
| Father's Birthplace | Georgia |
| Mother's Birthplace | South Carolina |
| Occupation | Druggist |
| Industry | Drug Store |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
1930
Lake, Florida
Head, age 51
Lake, Florida · implied b. ~1879 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Simpson |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Florida |
| Age at First Marriage | 24 |
| Father's Birthplace | Georgia |
| Mother's Birthplace | South Carolina |
| Occupation | Farmer |
| Industry | Orange Grove |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 10000 |
| Radio Set | R |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
1940
Lake-County, Florida
Head, age 65
Lake-County, Florida · implied b. ~1875 — 3 household members
| Surname | Simpson |
| Given Name | James W. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 65 |
| Marital Status | Widowed |
| Birthplace | Florida |
| 1935 Residence (City) | Mount Dora City |
| 1935 Residence (County) | Lake |
| Occupation | Owner |
| Industry | Citrus Packing |
| Class of Worker | E |
| Hours Worked | 72 |
| Income (1939) | 350 |
| 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 James Simpson across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Simpson
Head · 1940 · age 65 · b. ~1875 · 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 — Lake-County, Florida
Open full size
1940 US Federal Census — Lake-County, Florida
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00595-00711)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Nellie F. Couch | 39 | Head | — | Florida |
| 42 | Jean G. Couch | 18 | Daughter | — | Florida |
| 43 | James L. Couch | 15 | Son | — | Florida |
| 44 | James W. Simpson THIS PERSON | 65 | Head | Owner | Florida |
| 45 | Howard Simpson | 24 | Son | Manager | Florida |
| 46 | Mary E. Simpson | 22 | Daughter | Bookkeeper | Florida |
| 47 | Geo. B. Lamoreaux | 70 | Head | Owner | New York |
| 48 | Amelia H. Lamoreaux | 67 | Wife | — | Pennsylvania |
| 49 | Josephine Thomas | 81 | Head | — | West Virginia |
| 50 | Mary E. Gudgeon | 56 | Housekeeper | Housekeeper | Ohio |
| 51 | Elizabeth C. Lee | 59 | Head | Index Clerk | New Jersey |
| 52 | Bill Pickren | 27 | Head | Caretaker | Georgia |
| 53 | Willie M. Pickren | 22 | Wife | — | Alabama |
| 54 | Billie M. Pickren | 2 | Daughter | — | Georgia |
| 55 | Jacob E. Fickren | 0 | Son | — | Florida |
| 56 | Mary E. Morse | 65 | Head | Trained Nurse | Pennsylvania |
| 57 | Elliot H. Van Voorhis | 55 | Head | — | New York |
| 58 | Adeline D. Van Voorhis | 54 | Wife | — | New York |
| 59 | Marion E. Van Voorhis | 22 | Daughter | — | New York |
| 60 | Richard F. Van Voorhis | 20 | Son | Serviceman | New York |
| 61 | Howard Richards | 63 | Head | — | Ohio |
| 62 | Emily S. Richards | 56 | Wife | — | Ohio |
| 63 | John J. Dixon | 68 | Head | — | Ohio |
| 64 | Margaret E. Dixon | 72 | Wife | — | Pennsylvania |
| 65 | Ida A. Dixon | 71 | Sister | — | Ohio |
| 66 | Patricia Purnell | 11 | Daughter | — | New York |
| 67 | Adeline Johnston | 62 | Housekeeper | Housekeeper | Sweden |
| 68 | Grant Cowles | 71 | Head | — | Ohio |
| 69 | Edna M. Cowles | 65 | Wife | — | Illinois |
| 70 | Proctor Driggs | 33 | Head | Owner | Massachusetts |
| 71 | Doris E. Driggs | 38 | Wife | — | Vermont |
| 72 | Thomas E. Mccabe | 57 | Head | — | Massachusetts |
| 73 | Gladys M. Mccabe | 45 | Wife | — | Massachusetts |
| 74 | Thomas Jr. Mccabe | 19 | Son | Clerk | Massachusetts |
| 75 | Bernard J. Mccabe | 16 | Son | — | Massachusetts |
| 76 | William Printy | 39 | Head | Guide | Illinois |
| 77 | Marguerite Printy | 33 | Wife | Bookkeeper | Georgia |
| 78 | Benjamin F. Cook | 29 | Head | Trucker And Driver | Pennsylvania |
| 79 | Leota H. Cook | 26 | Wife | — | Ohio |
| 80 | Bennie M. Cook | 7 | Daughter | — | Florida |
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)