LJ
Lillie Johnson — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Duval, Florida
Our Model Tree links this Lillie Johnson across the 1930 and 1940 US Censuses in Duval, Florida (XGBoost, ~Confirmed) — first a daughter (b.~1914), then head of a 12-person household.
Age 16
b. ~1914
Female
Daughter
Born: South Carolina
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Duval, Florida |
| Surname | Johnson |
| Given Name | Lillie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 16 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Additional Details | |
| Occupation | Labourer |
| Industry | General |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Occupation | Labourer |
| Township / Ward | Jacksonville City |
| Est. Birth Year | ~1914 |
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.
12 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Lillie | Age | Birth yr |
|---|---|---|---|---|
| Lillie Johnson | Daughter | — | 10 | ~1920 |
| Lillie Johnson | Daughter | — | 20 | ~1910 |
| Lillie Johnson | Daughter | — | 12 | ~1918 |
| Lillie Johnson | Daughter | — | 16 | ~1914 |
| Lillie Johnson | Daughter | — | 6 | ~1924 |
| Lillie Johnson | Daughter | — | 14 | ~1916 |
| Lillie Johnson | Daughter | — | 18 | ~1912 |
| Lillie Johnson | Daughter | — | 8 | ~1922 |
| Lillie Johnson | Daughter | — | 4 | ~1926 |
| Lillie Johnson | Daughter | — | 2 | ~1928 |
| Will Johnson | Head | — | 40 | ~1890 |
| Lillie Johnson | Spouse | — | 38 | ~1892 |
Census Appearances
1930
Duval, Florida
Daughter, age 16
Duval, Florida · implied b. ~1914 — 12 household members
| Surname | Johnson |
| Given Name | Lillie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 16 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Occupation | Labourer |
| Industry | General |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1940
Duval-County, Florida
Spouse, age 27
Duval-County, Florida · implied b. ~1913 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Lilly |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 27 |
| Marital Status | Married |
| Birthplace | South Carolina |
| 1935 Residence (City) | Jacksonville |
| 1935 Residence (County) | Duval |
| Highest Grade | No 6 |
| 1935 Residence | Same Place |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
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 Lillie Johnson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Lillie Johnson
Daughter · 1930 · age 16 · b. ~1914 · Florida
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Sibling
Lillie Johnson
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lillie Johnson
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lillie Johnson
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lillie Johnson
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lillie Johnson
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lillie Johnson
Sibling · 1930 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lillie Johnson
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lillie Johnson
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lillie Johnson
Sibling · 1930 · age 18
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
1930 US Federal Census — Duval, Florida
Open full size
1930 US Federal Census — Duval, Florida
Page Contents
27 people indexed on this census page (ia:1930:15thcensus314unit:0106)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 74 | Robert Norman | 57 | Head | Labourer | South Carolina |
| 75 | Lillie Norman | 38 | Wife | Dressmaker | Florida |
| 76 | Robert Norman | 2 | Son | — | Florida |
| 77 | Lillie Norman | 1 | Daughter | — | Florida |
| 78 | Lillie Norman | 70 | Mother | — | Florida |
| 79 | Lillie Norman | 10 | Daughter | — | Florida |
| 80 | Lillie Norman | 8 | Daughter | — | Florida |
| 81 | Moses Florence | 60 | Head | Merchant | Georgia |
| 82 | Lillie Florence | 53 | Wife | Labourer | South Carolina |
| 83 | Lillie Florence | 18 | Daughter | Laundress | Florida |
| 84 | Lillie Florence | 16 | Daughter | Delivery Boy | Florida |
| 85 | Lillie Florence | 14 | Daughter | — | Florida |
| 86 | Lillie Florence | 12 | Daughter | — | Florida |
| 87 | Lillie Florence | 10 | Daughter | — | Florida |
| 88 | Lillie Florence | 8 | Daughter | — | Florida |
| 89 | Will Johnson | 40 | Head | Carpenter | Georgia |
| 90 | Lillie Johnson | 38 | Wife | Laundress | South Carolina |
| 91 | Lillie Johnson | 20 | Daughter | Labourer | South Carolina |
| 92 | Lillie Johnson | 18 | Daughter | Labourer | South Carolina |
| 93 | Lillie Johnson THIS PERSON | 16 | Daughter | Labourer | South Carolina |
| 94 | Lillie Johnson | 14 | Daughter | — | South Carolina |
| 95 | Lillie Johnson | 12 | Daughter | — | Alabama |
| 96 | Lillie Johnson | 10 | Daughter | — | Alabama |
| 97 | Lillie Johnson | 8 | Daughter | — | Florida |
| 98 | Lillie Johnson | 6 | Daughter | — | Alabama |
| 99 | Lillie Johnson | 4 | Daughter | — | Alabama |
| 100 | Lillie Johnson | 2 | Daughter | — | Alabama |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)