ID
Isaac Davis — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Duval, Florida
Our Model Tree links this Isaac Davis across the 1900, 1910 and 1920 US Censuses in Duval, Florida (XGBoost, ~Confirmed) — first a head (b.~1878), then head of a 5-person household.
Age 42
b. ~1878
Male
Head
Born: Georgia
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Duval, Florida |
| Surname | Davis |
| Given Name | Isaac |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Georgia |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Georgia |
| Additional Details | |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
| Occupation | Farmer |
| Township / Ward | Precinct 25 Jacksonville |
| Est. Birth Year | ~1878 |
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.
5 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Isaac | Age | Birth yr |
|---|---|---|---|---|
| Gladys Davis | Daughter | — | 12 | ~1908 |
| Isaac Davis | Head | — | 42 | ~1878 |
| Ethel Davis | Daughter | — | 14 | ~1906 |
| Mary Davis | Spouse | — | 40 | ~1880 |
| Thelma Davis | Daughter | — | 10 | ~1910 |
Census Appearances
1900
Nassau, Florida
Head, age 28
Nassau, Florida · implied b. ~1872 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Isaac |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Georgia |
| Birth Month | Jun |
| Birth Year | 1872 |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Georgia |
| Occupation | Farmer |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
1910
Duval, Florida
Head, age 37
Duval, Florida · implied b. ~1873 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Isaac |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Georgia |
| Years Married | 10 |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Georgia |
| Occupation | Bartender |
| Industry | Saloon |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
1920
Duval, Florida
Head, age 42
Duval, Florida · implied b. ~1878 — 5 household members
| Surname | Davis |
| Given Name | Isaac |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Georgia |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Georgia |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
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 Isaac Davis across 3 US Census years (1900, 1910 and 1920) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Isaac Davis
Head · 1920 · age 42 · b. ~1878 · Florida
★ 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 — Duval, Florida
Open full size
1920 US Federal Census — Duval, Florida
Page Contents
15 people indexed on this census page (ia:1920:14thcensusofpopu214unit:0673)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 86 | Howard Lee | 36 | Head | Carpenter | Connecticut |
| 87 | Nora Lee | 34 | Wife | — | Connecticut |
| 88 | Arthur Lee | 12 | Son | — | Connecticut |
| 89 | Marion Lee | 10 | Daughter | — | Connecticut |
| 90 | Lydia Lee | 8 | Daughter | — | Connecticut |
| 91 | Evelyn Lee | 1 | Daughter | — | Connecticut |
| 92 | George Davis | 42 | Head | Farmer | Florida |
| 93 | Mattie Davis | 37 | Wife | — | Florida |
| 94 | Ben Davis | 16 | Son | Laborer | Florida |
| 95 | Daughter Davis | 8 | Daughter | — | Florida |
| 96 | Isaac Davis THIS PERSON | 42 | Head | Farmer | Georgia |
| 97 | Mary Davis | 40 | Wife | — | Florida |
| 98 | Ethel Davis | 14 | Daughter | — | Florida |
| 99 | Gladys Davis | 12 | Daughter | — | Florida |
| 100 | Thelma Davis | 10 | Daughter | — | Florida |
Related Census Records
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)