FS
Frank Simpson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Duval-County, Florida
Our Model Tree links this Frank Simpson across the 1930 and 1940 US Censuses in Duval-County, Florida (XGBoost, ~Confirmed) — first a son (b.~1920), then head of a 7-person household.
Age 20
b. ~1920
Male
Son
Born: Florida
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Duval-County, Florida |
| Surname | Simpson |
| Given Name | Frank R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Florida |
| 1935 Residence (City) | Jacksonville |
| 1935 Residence (County) | Duval |
| Additional Details | |
| Occupation | Clerk |
| Industry | Retail Store |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 364 |
| Highest Grade | H 4 |
| 1935 Residence | Same house |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
| Occupation | Clerk |
| Township / Ward | Jacksonville |
| Est. Birth Year | ~1920 |
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 Frank | Age | Birth yr |
|---|---|---|---|---|
| Rosa Simpson | Daughter | — | 22 | ~1918 |
| John Simpson | Son | — | 18 | ~1922 |
| Louise Simpson | Spouse | — | 52 | ~1888 |
| Robert Simpson | Son | — | 13 | ~1927 |
| Mary Simpson | Daughter | — | 17 | ~1923 |
| Frank Simpson | Son | — | 20 | ~1920 |
| Frank Simpson | Head | — | 57 | ~1883 |
Census Appearances
1930
Duval, Florida
Son, age 10
Duval, Florida · implied b. ~1920 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Simpson |
| Given Name | Frank R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Florida |
| Father's Birthplace | Florida |
| Mother's Birthplace | Florida |
| Can Read/Write | Yes |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
1940
Duval-County, Florida
Son, age 20
Duval-County, Florida · implied b. ~1920 — 7 household members
| Surname | Simpson |
| Given Name | Frank R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Florida |
| 1935 Residence (City) | Jacksonville |
| 1935 Residence (County) | Duval |
| Occupation | Clerk |
| Industry | Retail Store |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 364 |
| Highest Grade | H 4 |
| 1935 Residence | Same house |
| 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 Frank Simpson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Frank Simpson
Son · 1940 · age 20 · b. ~1920 · Florida
★ You are viewing this record
Sibling
John Simpson
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Simpson
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rosa Simpson
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Simpson
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Duval-County, Florida
Open full size
1940 US Federal Census — Duval-County, Florida
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00626-00266)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Colon L. Mcinnis | 23 | Head | Truck Driver | Mississippi |
| 2 | Lucille Mcinnis | 20 | Wife | — | Mississippi |
| 3 | Lucius W. Mcinnis | 1 | Daughter | — | Florida |
| 4 | Elmer R. Wilson | 56 | Head | Painter | Georgia |
| 5 | Mazie Wilson | 55 | Wife | — | Georgia |
| 6 | David Wilson | 27 | Son | Painter | Georgia |
| 7 | Raymond Wilson | 13 | Son | — | Florida |
| 8 | James R. Willeford | 47 | Head | Mechanic | Florida |
| 9 | Bessie Willeford | 40 | Wife | — | Florida |
| 10 | Horace L. Willeford | 13 | Son | — | Florida |
| 11 | John M. Christopher | 49 | Head | Salesman | Florida |
| 12 | Rose Christopher | 50 | Wife | — | Tennessee |
| 13 | L. Pauline Christopher | 16 | Daughter | — | S. Carolina |
| 14 | R. Leslie Holmes | 25 | Step-son | Musician | Tennessee |
| 15 | Ann Lewis | 25 | Head | Breaker | Georgia |
| 16 | Gondie Lewis | 11 | Daughter | — | Georgia |
| 17 | Robert Lewis | 9 | Son | — | Georgia |
| 18 | Gerald E. Starrett | 47 | Head | Operator | Florida |
| 19 | Linnie M. Starrett | 48 | Wife | — | Georgia |
| 20 | Robert Starrett | 16 | Son | Delivery Boy | Florida |
| 21 | Catherine Starrett | 12 | Daughter | — | Florida |
| 22 | Ernest R. Phillips | 28 | Head | Truck Driver | Georgia |
| 23 | Mary Phillips | 24 | Wife | Binder | Georgia |
| 24 | Walter H. Clark | 35 | Head | Carpenter | N. Carolina |
| 25 | Vergia Clark | 32 | Wife | Saleswoman | Georgia |
| 26 | Calvin Clark | 19 | Son | — | Georgia |
| 27 | Doris Clark | 15 | Daughter | — | Florida |
| 28 | Frank R. Simpson | 57 | Head | Machinist | Florida |
| 29 | Louise B. Simpson | 52 | Wife | — | Florida |
| 30 | Rosa L. Simpson | 22 | Daughter | Stenographer | Florida |
| 31 | Frank R. Simpson THIS PERSON | 20 | Son | Clerk | Florida |
| 32 | John F. Simpson | 18 | Son | — | Florida |
| 33 | Mary L. Simpson | 17 | Daughter | — | Florida |
| 34 | Robert L. Simpson | 13 | Son | — | Florida |
| 35 | Ray T. Barfield | 26 | Head | Painter | Georgia |
| 36 | Marbelle Barfield | 23 | Wife | — | Georgia |
| 37 | Betty Lou Barfield | 5 | Daughter | — | Georgia |
| 38 | Dorothy Ann Barfield | 3 | Daughter | — | Georgia |
| 39 | Edward T. Barfield | 1 | Son | — | Georgia |
| 40 | William C. Collins | 54 | Head | Steel Helper | 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)