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Mary Mcmullen — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Chester, South Carolina
Our Model Tree links this Mary Mcmullen across the 1920 and 1930 US Censuses in Chester, South Carolina (XGBoost, ~Confirmed) — first a daughter (b.~1909), then head of a 10-person household.
Age 11
b. ~1909
Female
Daughter
Born: South Carolina
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Chester, South Carolina |
| Surname | McMullen |
| Given Name | Mary |
| 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 |
| Additional Details | |
| Occupation | Laborer |
| Industry | Home Farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Occupation | Laborer |
| Township / Ward | Lewisville Township |
| Est. Birth Year | ~1909 |
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.
10 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Julia Mcmullen | Daughter | — | 5 | ~1915 |
| Alice Mcmullen | Daughter | — | 7 | ~1913 |
| Mary Mcmullen | Daughter | — | 11 | ~1909 |
| Solomon Mcmullen | Son | — | 2 | ~1918 |
| John Mcmullen | Son | — | 4 | ~1916 |
| James Mcmullen | Son | — | 9 | ~1911 |
| Rosa Mcmullen | Daughter | — | ~1920 | |
| James Mcmullen | Head | — | 43 | ~1877 |
| Lizzie Mcmullen | Spouse | — | 43 | ~1877 |
| Joe Mcmullen | Son | — | 13 | ~1907 |
Census Appearances
1920
Chester, South …
Daughter, age 11
Chester, South Carolina · implied b. ~1909 — 10 household members
| Surname | McMullen |
| Given Name | Mary |
| 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 |
| Occupation | Laborer |
| Industry | Home Farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1930
Chester, South …
Daughter, age 21
Chester, South Carolina · implied b. ~1909 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McMullen |
| Given Name | Marie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 21 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Occupation | Farm Laborer |
| Industry | General Farm |
| Class of Worker | VVV |
| 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 Mcmullen across 2 US Census years (1920 and 1930) in Chester, South Carolina, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Mcmullen
Daughter · 1920 · age 11 · b. ~1909 · South Carolina
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Sibling
Joe Mcmullen
Sibling · 1920 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Mcmullen
Sibling · 1920 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Solomon Mcmullen
Sibling · 1920 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Mcmullen
Sibling · 1920 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Julia Mcmullen
Sibling · 1920 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rosa Mcmullen
Sibling · 1920 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Mcmullen
Sibling · 1920 · age 4
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
1920 US Federal Census — Chester, South Carolina
Open full size
1920 US Federal Census — Chester, South Carolina
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1689unit:0976)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Isaac A Quinn | 36 | Head | Farmer | South Carolina |
| 2 | Bessie Y Quinn | 35 | Wife | — | South Carolina |
| 3 | Isaac F Quinn | 11 | Son | Laborer | South Carolina |
| 4 | Robert H Quinn | 10 | Son | Laborer | South Carolina |
| 5 | Virginia D Quinn | 6 | Daughter | — | South Carolina |
| 6 | Mary E Quinn | 4 | Daughter | — | South Carolina |
| 7 | Julia S Quinn | 1 | Daughter | — | South Carolina |
| 8 | Sarah Ferguson | 64 | Mother-in-law | — | South Carolina |
| 9 | William Wilson | 37 | Head | Farmer | South Carolina |
| 10 | Jane Wilson | 35 | Wife | Laborer | South Carolina |
| 11 | Arthur Wilson | 16 | Son | Laborer | South Carolina |
| 12 | John Wilson | 14 | Son | Laborer | South Carolina |
| 13 | Annie Wilson | 12 | Daughter | Laborer | South Carolina |
| 14 | Pearl Wilson | 3 | Daughter | Laborer | South Carolina |
| 15 | James Jackson | 41 | Head | Farmer | South Carolina |
| 16 | Mattie M Jackson | 37 | Wife | — | South Carolina |
| 17 | Annie B Jackson | 14 | Daughter | — | South Carolina |
| 18 | James Jackson | 12 | Son | — | South Carolina |
| 19 | James Mcmullen | 43 | Head | Farmer | South Carolina |
| 20 | Lizzie Mcmullen | 43 | Wife | Laborer | South Carolina |
| 21 | Joe Mcmullen | 13 | Son | Laborer | South Carolina |
| 22 | Mary Mcmullen THIS PERSON | 11 | Daughter | Laborer | South Carolina |
| 23 | James Mcmullen | 9 | Son | Laborer | South Carolina |
| 24 | Alice Mcmullen | 7 | Daughter | — | South Carolina |
| 25 | Julia Mcmullen | 5 | Daughter | — | South Carolina |
| 26 | John Mcmullen | 4 | Son | — | South Carolina |
| 27 | Solomon Mcmullen | 2 | Son | — | South Carolina |
| 28 | Rosa Mcmullen | 0 | Daughter | — | South Carolina |
| 29 | Henry Sanders | 35 | Head | Farmer | South Carolina |
| 30 | Alice Sanders | 30 | Wife | Laborer | South Carolina |
| 31 | Beatrice Sanders | 15 | Daughter | Laborer | South Carolina |
| 32 | Daisy Sanders | 13 | Daughter | Laborer | South Carolina |
| 33 | Henry Sanders | 8 | Son | — | South Carolina |
| 34 | Jackson Caldwell | 50 | Head | Farmer | South Carolina |
| 35 | Nancy Caldwell | 48 | Wife | Laborer | South Carolina |
| 36 | Willie Caldwell | 21 | Son | Laborer | South Carolina |
| 37 | Jane Caldwell | 18 | Daughter | Laborer | South Carolina |
| 38 | Margaret Caldwell | 16 | Daughter | Laborer | South Carolina |
| 39 | Barbara Caldwell | 14 | Daughter | Laborer | South Carolina |
| 40 | Charles Caldwell | 5 | Son | — | South Carolina |
| 41 | John W Caldwell | 4 | Son | — | South Carolina |
| 42 | Emma Caldwell | 3 | Daughter | — | South Carolina |
| 43 | Mary L Caldwell | 2 | Daughter | — | South Carolina |
| 44 | Elizabeth Caldwell | 1 | Daughter | — | South Carolina |
| 45 | Florence Mcdowell | 45 | Head | Farmer | South Carolina |
| 46 | Sarah Mcdowell | 19 | Daughter | — | South Carolina |
| 47 | Jack Mcdowell | 18 | Son | Laborer | South Carolina |
| 48 | Belle Mcdowell | 16 | Daughter | Laborer | South Carolina |
| 49 | Elizabeth Mcdowell | 11 | Daughter | Laborer | South Carolina |
| 50 | Florence Mcdowell | 11 | Daughter | Laborer | South Carolina |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)