MR
Martha Richardson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Duval-County, Florida
Our Model Tree links this Martha Richardson across the 1930 and 1940 US Censuses in Duval-County, Florida (XGBoost, ~Confirmed) — first a daughter (b.~1923), then head of a 9-person household.
Age 17
b. ~1923
Female
Daughter
Born: South Carolina
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Duval-County, Florida |
| Surname | Richardson |
| Given Name | Martha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 17 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Jacksonville |
| 1935 Residence (County) | Duval |
| Additional Details | |
| Occupation | Chambermaid |
| Industry | Hotel |
| Class of Worker | PW |
| Hours Worked | 18 |
| Income (1939) | 46 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Occupation | Chambermaid |
| Township / Ward | Jacksonville |
| Est. Birth Year | ~1923 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Martha | Age | Birth yr |
|---|---|---|---|---|
| Martha Richardson | Daughter | — | 17 | ~1923 |
| Pearl Richardson | Daughter | — | 14 | ~1926 |
| Lillie Richardson | Daughter | — | 20 | ~1920 |
| Nathaniel Richardson | Other | — | ~1940 | |
| James Richardson | Son | — | 7 | ~1933 |
| Eva Richardson | Other | — | 16 | ~1924 |
| Ruthell Richardson | Daughter | — | 11 | ~1929 |
| Bessie Richardson | Daughter | — | 9 | ~1931 |
| Lillie Richardson | Head | — | 40 | ~1900 |
Census Appearances
1930
Duval, Florida
Daughter, age 8
Duval, Florida · implied b. ~1922 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Richardson |
| Given Name | Martha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 8 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1940
Duval-County, Florida
Daughter, age 17
Duval-County, Florida · implied b. ~1923 — 9 household members
| Surname | Richardson |
| Given Name | Martha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 17 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Jacksonville |
| 1935 Residence (County) | Duval |
| Occupation | Chambermaid |
| Industry | Hotel |
| Class of Worker | PW |
| Hours Worked | 18 |
| Income (1939) | 46 |
| Highest Grade | No 4 |
| 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 Martha Richardson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Martha Richardson
Daughter · 1940 · age 17 · b. ~1923 · Florida
★ You are viewing this record
Sibling
Bessie Richardson
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruthell Richardson
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Richardson
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lillie Richardson
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Pearl Richardson
Sibling · 1940 · age 14
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-t0627-00623-00248)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Williephine Hill | 25 | Wife | — | Florida |
| 42 | Lillie Richardson | 40 | Head | — | South Carolina |
| 43 | Lillie Mae Richardson | 20 | Daughter | Chambermaid | South Carolina |
| 44 | Martha Richardson THIS PERSON | 17 | Daughter | Chambermaid | South Carolina |
| 45 | Pearl Richardson | 14 | Daughter | — | South Carolina |
| 46 | Ruthell Richardson | 11 | Daughter | — | Florida |
| 47 | Bessie Mae Richardson | 9 | Daughter | — | Florida |
| 48 | James Richardson | 7 | Son | — | South Carolina |
| 49 | Eva Richardson | 16 | Daughter-in-law | Cook | South Carolina |
| 50 | Nathaniel Richardson | 0 | Grandson | — | Florida |
| 51 | Ira Grant | 45 | Head | Laborer | South Carolina |
| 52 | Amelia Grant | 36 | Wife | Sorter | South Carolina |
| 53 | Harper Grant | 18 | Son | — | South Carolina |
| 54 | Ida Mae Grant | 13 | Step-daughter | — | Florida |
| 55 | Inesy Grant | 6 | Daughter | — | Florida |
| 56 | Jessie Roberts | 59 | Head | Owner | Florida |
| 57 | Bristol Brooks | 25 | Step-son | Newsboy | Florida |
| 58 | Luther Brooks | 15 | Step-son | Newsboy | Florida |
| 59 | John Cobb | 41 | Head | Sheet Iron Worker | Georgia |
| 60 | Mitchell Anderson | 24 | Lodger | Truck Driver | Florida |
| 61 | Mildred Anderson | 21 | Lodger's wife | — | Georgia |
| 62 | Baby Boy Anderson | 0 | Lodger's son | — | Florida |
| 63 | Anderson Jones | 26 | Lodger | Truck Helper | Georgia |
| 64 | Harry Mckennie | 19 | Lodger | Shoe Shine Boy | South Carolina |
| 65 | James Hicks | 26 | Block | — | Virginia |
| 66 | Elijah Hindon | 43 | Head | Preacher | Florida |
| 67 | Allie Hindon | 32 | Wife | Shirt Finisher | Georgia |
| 68 | Nathan Hindon | 21 | Son | Laborer | Georgia |
| 69 | Loisie Hindon | 18 | Daughter | — | Florida |
| 70 | Minnie Hindon | 16 | Daughter | General Housework | Georgia |
| 71 | Montrose Hindon | 13 | Daughter | — | Florida |
| 72 | Idella Hindon | 9 | Daughter | — | Florida |
| 73 | Charles Lee Washington | 54 | Head | Gardener | Florida |
| 74 | Loula Washington | 46 | Wife | — | South Carolina |
| 75 | Phylis Burton | 56 | Lodger | — | South Carolina |
| 76 | Catherine Bryant | 45 | Head | Maid-Chamber | Florida |
| 77 | Irene Bryant | 33 | Daughter-in-law | Feed Boy-Porter | Georgia |
| 78 | Jeanette Bryant | 22 | Daughter | Elevator Operator | Florida |
| 79 | Audrey Bryant | 8 | Grand-daughter | — | Florida |
| 80 | Joseph Richardson | 20 | Lodger | Delivery Boy | 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)