AM
Agnes Martin — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Charleston-County, South Carolina
Our Model Tree links this Agnes Martin across the 1930 and 1940 US Censuses in Charleston-County, South Carolina (XGBoost, ~Confirmed) — first a daughter (b.~1920), then head of a 7-person household.
Age 20
b. ~1920
Female
Daughter
Born: South Carolina
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Charleston-County, South Carolina |
| Surname | Martin |
| Given Name | Agnes |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 20 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | James Island Twp. |
| 1935 Residence (County) | Charleston |
| Additional Details | |
| Industry | 0 |
| Class of Worker | 0 |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Township / Ward | James Island Twp |
| 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 Agnes | Age | Birth yr |
|---|---|---|---|---|
| Leonard Martin | Son | — | 13 | ~1927 |
| Samuel Martin | Son | — | 15 | ~1925 |
| Eugene Martin | Son | — | 5 | ~1935 |
| Agnes Martin | Daughter | — | 20 | ~1920 |
| Paul Martin | Head | — | 58 | ~1882 |
| Kenneth Martin | Son | — | 1 | ~1939 |
| Martha Martin | Spouse | — | 53 | ~1887 |
Census Appearances
1930
Charleston, South …
Daughter, age 11
Charleston, South Carolina · implied b. ~1919 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Agnes |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 11 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Can Read/Write | No |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1940
Charleston-County, South …
Daughter, age 20
Charleston-County, South Carolina · implied b. ~1920 — 7 household members
| Surname | Martin |
| Given Name | Agnes |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 20 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | James Island Twp. |
| 1935 Residence (County) | Charleston |
| Industry | 0 |
| Class of Worker | 0 |
| Highest Grade | No 5 |
| 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 Agnes Martin across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Agnes Martin
Daughter · 1940 · age 20 · b. ~1920 · South Carolina
★ You are viewing this record
Sibling
Eugene Martin
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kenneth Martin
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leonard Martin
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Samuel Martin
Sibling · 1940 · age 15
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 — Charleston-County, South Carolina
Open full size
1940 US Federal Census — Charleston-County, South Carolina
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03795-00381)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Etta Brown | 13 | Daughter | — | South Carolina |
| 2 | Alan Jr Brown | 5 | Son | — | South Carolina |
| 3 | Steward Brown | 35 | Head | Laborer | South Carolina |
| 4 | Eleanor Brown | 34 | Wife | — | South Carolina |
| 5 | Williemina Brown | 13 | Daughter | — | South Carolina |
| 6 | Henry Jr Brown | 11 | Son | — | South Carolina |
| 7 | Christopher Brown | 9 | Son | — | South Carolina |
| 8 | Almeta Brown | 7 | Son | — | South Carolina |
| 9 | Leroy Brown | 5 | Son | — | South Carolina |
| 10 | Rogers Brown | 3 | Son | — | South Carolina |
| 11 | Thomas Brown | 0 | Son | — | South Carolina |
| 12 | Steven Brown | 70 | Head | — | South Carolina |
| 13 | Paul Martin | 58 | Head | Farm | South Carolina |
| 14 | Martha Martin | 53 | Wife | Laborer | South Carolina |
| 15 | Agnes Martin THIS PERSON | 20 | Daughter | — | South Carolina |
| 16 | Samuel Martin | 15 | Son | — | South Carolina |
| 17 | Leonard Martin | 13 | Son | — | South Carolina |
| 18 | Eugene Martin | 5 | Son | — | South Carolina |
| 19 | Kenneth Martin | 1 | Son | — | South Carolina |
| 20 | Joseph Martin | 48 | Head | Farmer | South Carolina |
| 21 | Vadha Martin | 38 | Wife | — | South Carolina |
| 22 | Extra Lize Martin | 1 | Daughter | — | South Carolina |
| 23 | Sam Washington | 38 | Head | Laborer | South Carolina |
| 24 | Sarah Washington | 28 | Wife | Maid | South Carolina |
| 25 | Mary Washington | 8 | Daughter | — | South Carolina |
| 26 | James Washington | 7 | Son | — | South Carolina |
| 27 | Samuel Washington | 5 | Son | — | South Carolina |
| 28 | Stella Washington | 3 | Daughter | — | South Carolina |
| 29 | Margaret Richardson | 43 | Mother | — | South Carolina |
| 30 | Lizzie Richardson | 45 | Head | Laborer | South Carolina |
| 31 | Isadora Richardson | 14 | Son | — | South Carolina |
| 32 | Joylene Richardson | 12 | Daughter | — | South Carolina |
| 33 | Nathaniel Richardson | 10 | Son | — | South Carolina |
| 34 | Walter Richardson | 9 | Son | — | South Carolina |
| 35 | J C Richardson | 7 | Son | — | South Carolina |
| 36 | Mary L. Brown | 14 | Adopted | — | South Carolina |
| 37 | Benjamin Brown | 23 | Son | — | South Carolina |
| 38 | Albert Smalls | 18 | Lodger | Laborer | South Carolina |
| 39 | Henry Johnston | 22 | Lodger | Laborer | South Carolina |
| 40 | Janie Murray | 60 | Head | Farmer | South Carolina |
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)