MH
Mary Harrington — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Lee, South Carolina
Our Model Tree links this Mary Harrington across the 1920 and 1930 US Censuses in Lee, South Carolina (XGBoost, ~Confirmed) — first a daughter (b.~1918), then head of a 13-person household.
Age 12
b. ~1918
Female
Daughter
Born: South Carolina
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Lee, South Carolina |
| Surname | Harrington |
| Given Name | Mary L. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | Black |
| Age | 12 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Township / Ward | Saint Charles Township |
| Est. Birth Year | ~1918 |
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.
13 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Rosa Harrington | Daughter | — | 1 | ~1929 |
| Louise Harrington | Daughter | — | 3 | ~1927 |
| Ethel Harrington | Daughter | — | 11 | ~1919 |
| Flossie Williams | Daughter | — | 23 | ~1907 |
| Mary Harrington | Daughter | — | 12 | ~1918 |
| Lucile Harrington | Daughter | — | 19 | ~1911 |
| Sarah Harrington | Daughter | — | 14 | ~1916 |
| Guston Harrington | Head | — | 40 | ~1890 |
| Sarah Harrington | Other | — | 37 | ~1893 |
| Manuel Harrington | Son | — | 10 | ~1920 |
| Preston Harrington | Son | — | 16 | ~1914 |
| Joseph Harrington | Son | — | 18 | ~1912 |
| Sam Harrington | Son | — | 6 | ~1924 |
Census Appearances
1920
Lee, South …
Daughter, age 2
Lee, South Carolina · implied b. ~1918 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harrington |
| Given Name | Mary V. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | Black |
| Age | 2 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Occupation | none |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1930
Lee, South …
Daughter, age 12
Lee, South Carolina · implied b. ~1918 — 13 household members
| Surname | Harrington |
| Given Name | Mary L. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | Black |
| Age | 12 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Occupation | none |
| Can Read/Write | Yes |
| 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 Mary Harrington across 2 US Census years (1920 and 1930) in Lee, South Carolina, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Harrington
Daughter · 1930 · age 12 · b. ~1918 · South Carolina
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Sibling
Louise Harrington
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ethel Harrington
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Harrington
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Flossie Williams
Sibling · 1930 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Manuel Harrington
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rosa Harrington
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sarah Harrington
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lucile Harrington
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sam Harrington
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Preston Harrington
Sibling · 1930 · age 16
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 — Lee, South Carolina
Open full size
1930 US Federal Census — Lee, South Carolina
Page Contents
50 people indexed on this census page (ia:1930:15thcensus2203unit:1056)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Isaac Byrd | 5 | — | None | South Carolina |
| 2 | Rebecca Byrd | 5 | daughter | None | South Carolina |
| 3 | Milton D. Montgomery | 22 | head | Farmer | South Carolina |
| 4 | J. Rose Montgomery | 21 | wife-H | None | South Carolina |
| 5 | Sarah Gary | 14 | — | Farm Laborer | South Carolina |
| 6 | Dan Clark | 41 | head | Farmer | South Carolina |
| 7 | Annie Clark | 35 | wife-H | Farm Laborer | South Carolina |
| 8 | William Clark | 20 | son | Farm Laborer | South Carolina |
| 9 | Mary J. Clark | 18 | daughter | Farm Laborer | South Carolina |
| 10 | John Clark | 16 | son | Farm Laborer | South Carolina |
| 11 | Mabel Clark | 14 | daughter | None | South Carolina |
| 12 | Guston Harrington | 40 | head | Farmer | South Carolina |
| 13 | Sarah Harrington | 37 | wife-H | Farm Laborer | South Carolina |
| 14 | Lucile Harrington | 19 | daughter | Farm Laborer | South Carolina |
| 15 | Joseph Harrington | 18 | son | Farm Laborer | South Carolina |
| 16 | Preston, Jr. Harrington | 16 | son | Farm Laborer | South Carolina |
| 17 | Sarah Harrington | 14 | daughter | None | South Carolina |
| 18 | Mary L. Harrington THIS PERSON | 12 | daughter | None | South Carolina |
| 19 | Ethel Harrington | 11 | daughter | None | South Carolina |
| 20 | Manuel Harrington | 10 | son | None | South Carolina |
| 21 | Sam Harrington | 6 | son | None | South Carolina |
| 22 | Louise Harrington | 3 | daughter | None | South Carolina |
| 23 | Rosa B. Harrington | 1 | daughter | None | South Carolina |
| 24 | Flossie Williams | 23 | daughter | Farm Laborer | South Carolina |
| 25 | Manning Clark | 65 | head | Farmer | South Carolina |
| 26 | Jane Clark | 60 | wife-H | Farm Laborer | South Carolina |
| 27 | James Clark | 5 | son | None | South Carolina |
| 28 | Fred Wilson | 33 | head | Farmer | South Carolina |
| 29 | Ella Wilson | 25 | wife-H | Farm Laborer | South Carolina |
| 30 | Carry Wilson | 1 | daughter | None | South Carolina |
| 31 | Nellie Wilson | 0 | daughter | None | South Carolina |
| 32 | Vander Washington | 39 | head | Farmer | South Carolina |
| 33 | Georgie Washington | 33 | wife-H | Farm Laborer | South Carolina |
| 34 | Archie L. Braley | 42 | head | Farmer | South Carolina |
| 35 | Janie G. Braley | 39 | wife-H | None | South Carolina |
| 36 | Archie L. Jr. Braley | 8 | son | None | South Carolina |
| 37 | Harvey B. Mcduffie | 26 | head | Farm Laborer | South Carolina |
| 38 | Martha Mcduffie | 19 | wife-H | None | South Carolina |
| 39 | Loyd J. Mcduffie | 5 | son | None | South Carolina |
| 40 | Viola L. Mcduffie | 3 | daughter | None | South Carolina |
| 41 | Harvey B. Jr. Mcduffie | 1 | son | None | South Carolina |
| 42 | Mack Cooper | 35 | head | Farmer | South Carolina |
| 43 | Viola Cooper | 29 | wife-H | Farm Laborer | South Carolina |
| 44 | Henry Cooper | 13 | son | Farm Laborer | South Carolina |
| 45 | Ethel Cooper | 8 | daughter | None | South Carolina |
| 46 | Ethel Cooper | 6 | daughter | None | South Carolina |
| 47 | George Cooper | 3 | son | None | South Carolina |
| 48 | Bettie Cooper | 1 | daughter | None | South Carolina |
| 49 | Mose Myers | 38 | head | Farmer | South Carolina |
| 50 | Lizzie Myers | 57 | mother-H | Farm Laborer | South Carolina |
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)