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Mary Mcmillan — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Orangeburg, South Carolina
Our Model Tree links this Mary Mcmillan across the 1930 and 1940 US Censuses in Orangeburg, South Carolina (XGBoost, ~Confirmed) — first a daughter (b.~1914), then head of a 10-person household.
Age 16
b. ~1914
Female
Daughter
Born: South Carolina
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Orangeburg, South Carolina |
| Surname | McMillan |
| Given Name | Mary H. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Additional Details | |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Township / Ward | Edisto Township |
| Est. Birth Year | ~1914 |
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 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Eunice Mcmillan | Daughter | — | 7 | ~1923 |
| John Mcmillan | Head | — | 39 | ~1891 |
| John Mcmillan | Son | — | 2 | ~1928 |
| Ruth Mcmillan | Daughter | — | 5 | ~1925 |
| Mary Mcmillan | Daughter | — | 16 | ~1914 |
| Robert Mcmillan | Son | — | 9 | ~1921 |
| Edna Mcmillan | Spouse | — | 41 | ~1889 |
| James Mcmillan | Son | — | 15 | ~1915 |
| Edna Mcmillan | Daughter | — | 11 | ~1919 |
| George Mcmillan | Son | — | 14 | ~1916 |
Census Appearances
1930
Orangeburg, South …
Daughter, age 16
Orangeburg, South Carolina · implied b. ~1914 — 10 household members
| Surname | McMillan |
| Given Name | Mary H. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| 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
Orangeburg-County, South …
Spouse, age 26
Orangeburg-County, South Carolina · implied b. ~1914 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Macmillan |
| Given Name | Mae |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 26 |
| Marital Status | Married |
| Birthplace | South Carolina |
| 1935 Residence (County) | Beaufort |
| Class of Worker | Housewife |
| Highest Grade | No 5 |
| 1935 Residence | Beaufort |
| 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 Mcmillan across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Mcmillan
Daughter · 1930 · age 16 · b. ~1914 · South Carolina
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Sibling
Ruth Mcmillan
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edna Mcmillan
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Mcmillan
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Mcmillan
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eunice Mcmillan
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Mcmillan
Sibling · 1930 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Mcmillan
Sibling · 1930 · 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
1930 US Federal Census — Orangeburg, South Carolina
Open full size
1930 US Federal Census — Orangeburg, South Carolina
Page Contents
50 people indexed on this census page (ia:1930:15thcensus2208unit:0044)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Edward Benjamin | 80 | Head | — | South Carolina |
| 2 | Gladys Benjamin | 35 | Daughter | — | South Carolina |
| 3 | Hattie Benjamin | 30 | Daughter | — | South Carolina |
| 4 | Walter Benjamin | 25 | Son | — | South Carolina |
| 5 | Jefferson Inabinet | 42 | Head | Farmer | South Carolina |
| 6 | Minnie Inabinet | 40 | Wife | — | South Carolina |
| 7 | Booker T. Inabinet | 20 | Son | Laborer | South Carolina |
| 8 | Maggie Inabinet | 17 | Daughter-in-law | — | South Carolina |
| 9 | Benjamin Inabinet | 17 | Son | — | South Carolina |
| 10 | Lizzie Inabinet | 15 | Daughter | — | South Carolina |
| 11 | Adeline May Inabinet | 11 | Daughter | — | South Carolina |
| 12 | Charles W. Inabinet | 9 | Son | — | South Carolina |
| 13 | David Smoak | 67 | Head | Farmer | South Carolina |
| 14 | David J. Smoak | 26 | Son | Farm Laborer | South Carolina |
| 15 | Thomas F. Smoak | 23 | Son | Farm Laborer | South Carolina |
| 16 | M. Ethel Smoak | 19 | Daughter-in-law | — | South Carolina |
| 17 | Herbert Smoak | 30 | Son | Farm Laborer | South Carolina |
| 18 | Gertrude Smoak | 27 | Daughter-in-law | — | South Carolina |
| 19 | Shelley Smoak | 41 | Head | Farmer | South Carolina |
| 20 | Nellie D. Smoak | 40 | Wife | — | South Carolina |
| 21 | Ruby G. Smoak | 17 | Daughter | — | South Carolina |
| 22 | W. Herman Smoak | 15 | Son | — | South Carolina |
| 23 | Mary E. Smoak | 12 | Daughter | — | South Carolina |
| 24 | Eugene W. Smoak | 10 | Son | — | South Carolina |
| 25 | Robert Smoak | 9 | Son | — | South Carolina |
| 26 | Yancey Smoak | 7 | Son | — | South Carolina |
| 27 | Lois Smoak | 5 | Daughter | — | South Carolina |
| 28 | Henry L. Smoak | 2 | Son | — | South Carolina |
| 29 | David Hughes | 49 | Head | Farmer | South Carolina |
| 30 | Annie Hughes | 37 | Wife | — | South Carolina |
| 31 | George E. Polk | 23 | Son-in-law | Farm Laborer | South Carolina |
| 32 | Lois Bell Polk | 18 | Daughter | — | South Carolina |
| 33 | Louis Polk | 5 | Son | — | South Carolina |
| 34 | Joseph E. Jr. Polk | 4 | Son | — | South Carolina |
| 35 | Warren Baldwin | 18 | Step-son | — | South Carolina |
| 36 | Roselle Baldwin | 16 | Step-daughter | — | South Carolina |
| 37 | John D. Mcmillan | 39 | Head | Farmer | South Carolina |
| 38 | Edna Mcmillan | 41 | Wife | — | South Carolina |
| 39 | James D. Mcmillan | 15 | Son | Farm Laborer | South Carolina |
| 40 | Mary H. Mcmillan THIS PERSON | 16 | Daughter | — | South Carolina |
| 41 | George W. Mcmillan | 14 | Son | — | South Carolina |
| 42 | Edna M. Mcmillan | 11 | Daughter | — | South Carolina |
| 43 | Robert Mcmillan | 9 | Son | — | South Carolina |
| 44 | Eunice Mcmillan | 7 | Daughter | — | South Carolina |
| 45 | Ruth Mcmillan | 5 | Daughter | — | South Carolina |
| 46 | John D. Jr. Mcmillan | 2 | Son | — | South Carolina |
| 47 | Ernest Joyner | 27 | Head | Farm Laborer | South Carolina |
| 48 | Ettie Joyner | 24 | Wife | — | South Carolina |
| 49 | Ernestine Joyner | 5 | Daughter | — | South Carolina |
| 50 | Annie Mae Joyner | 2 | Daughter | — | 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)