MJ
Mary Jefferson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Charles-City-County, Virginia
Our Model Tree links this Mary Jefferson across the 1930 and 1940 US Censuses in Charles-City-County, Virginia (XGBoost, ~Confirmed) — first a daughter (b.~1923), then head of a 11-person household.
Age 17
b. ~1923
Female
Daughter
Born: Virginia
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Charles-City-County, Virginia |
| Surname | Jefferson |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Virginia |
| 1935 Residence (City) | Chickahominy Mag. D. |
| 1935 Residence (County) | Charles City |
| Additional Details | |
| Occupation | Servant |
| Industry | Housework |
| Class of Worker | PW |
| Hours Worked | 24 |
| Income (1939) | 50 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
| Occupation | Servant |
| Township / Ward | Chickahominy Mag D |
| 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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Annie Jefferson | Spouse | — | 39 | ~1901 |
| Mattie Jefferson | Daughter | — | 13 | ~1927 |
| Clara Jefferson | Daughter | — | 3 | ~1937 |
| Aretha Jefferson | Daughter | — | 10 | ~1930 |
| Wilbur Jefferson | Son | — | 1 | ~1939 |
| Melinda Jefferson | Daughter | — | 5 | ~1935 |
| James Jefferson | Son | — | 15 | ~1925 |
| Mary Jefferson | Daughter | — | 17 | ~1923 |
| Purnell Jefferson | Son | — | 18 | ~1922 |
| Alice Jefferson | Daughter | — | 11 | ~1929 |
| Joseph Jefferson | Head | — | 43 | ~1897 |
Census Appearances
1930
Charles, Virginia
Daughter, age 7
Charles, Virginia · implied b. ~1923 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jefferson |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Virginia |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Can Read/Write | Yes |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1940
Charles-City-County, Virginia
Daughter, age 17
Charles-City-County, Virginia · implied b. ~1923 — 11 household members
| Surname | Jefferson |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Virginia |
| 1935 Residence (City) | Chickahominy Mag. D. |
| 1935 Residence (County) | Charles City |
| Occupation | Servant |
| Industry | Housework |
| Class of Worker | PW |
| Hours Worked | 24 |
| Income (1939) | 50 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
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 Mary Jefferson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Jefferson
Daughter · 1940 · age 17 · b. ~1923 · Virginia
★ You are viewing this record
Sibling
Purnell Jefferson
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Jefferson
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Jefferson
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clara Jefferson
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Melinda Jefferson
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mattie Jefferson
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Wilbur Jefferson
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Aretha Jefferson
Sibling · 1940 · age 10
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 — Charles-City-County, Virginia
Open full size
1940 US Federal Census — Charles-City-County, Virginia
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04254-00006)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Joseph P. Jefferson | 43 | Head | Laborer | Virginia |
| 2 | Annie E. Jefferson | 39 | Wife | — | Virginia |
| 3 | Purnell J. Jefferson | 18 | Son | Laborer | Virginia |
| 4 | Mary E. Jefferson THIS PERSON | 17 | Daughter | Servant | Virginia |
| 5 | James D. Jefferson | 15 | Son | Servant | Virginia |
| 6 | Mattie A. Jefferson | 13 | Daughter | — | Virginia |
| 7 | Alice B. Jefferson | 11 | Daughter | — | Virginia |
| 8 | Aretha L. Jefferson | 10 | Daughter | — | Virginia |
| 9 | Melinda V. Jefferson | 5 | Daughter | — | Virginia |
| 10 | Clara F. Jefferson | 3 | Daughter | — | Virginia |
| 11 | Wilbur B. Jefferson | 1 | Son | — | Virginia |
| 12 | Daniel Hilton | 68 | Head | Laborer | Virginia |
| 13 | Queen E. Hilton | 60 | Wife | — | Virginia |
| 14 | Aaron Hilton | 24 | Son | Laborer | Virginia |
| 15 | Alexander Tabb | 43 | Head | Laborer | Virginia |
| 16 | Sallie P. Tabb | 42 | Wife | — | Virginia |
| 17 | James M. Tabb | 18 | Son | — | Virginia |
| 18 | William E. Parker | 1 | Lodger | — | Virginia |
| 19 | George A. Robinson | 50 | Head | Laborer | Virginia |
| 20 | Flossie V. Robinson | 55 | Wife | — | Virginia |
| 21 | Flossie V. Thompson | 26 | Daughter | — | Virginia |
| 22 | James Thompson | 28 | Son-in-law | Laborer | Virginia |
| 23 | Aretha Robinson | 10 | Granddaughter | — | Virginia |
| 24 | Ruffus S. Penny | 57 | Head | Farmer | Virginia |
| 25 | Effie D. Penny | 48 | Wife | — | Virginia |
| 26 | Ruffus S. Penny | 21 | Son | Fireman | Virginia |
| 27 | Alton S. Penny | 25 | Son | Inspector | Virginia |
| 28 | Evelyn M. Penny | 30 | Daughter-in-law | — | Virginia |
| 29 | Allen Carter | 60 | Head | Laborer | Virginia |
| 30 | Caroline Carter | 60 | Wife | — | Virginia |
| 31 | Angie L. Carter | 35 | Daughter | Servant | Virginia |
| 32 | Ada Carter | 17 | Granddaughter | Servant | Virginia |
| 33 | Regvelt Carter | 14 | Grandson | — | Virginia |
| 34 | Doris Carter | 2 | Granddaughter | — | Virginia |
| 35 | John Suel | 48 | Lodger | Laborer | Virginia |
| 36 | Richard W. Duke | 69 | Head | Farmer | Virginia |
| 37 | Gertrude V. Duke | 65 | Wife | — | Virginia |
| 38 | Hunter W. Duke | 40 | Son | Fisherman | Virginia |
| 39 | Richard S. Duke | 25 | Son | Farmer | Virginia |
| 40 | Doris Duke | 5 | Granddaughter | — | Virginia |
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)