MD
Mary Dempsey — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Martin, North Carolina
Our Model Tree links this Mary Dempsey across the 1930 and 1940 US Censuses in Martin, North Carolina (XGBoost, ~Confirmed) — first a daughter (b.~1909), then head of a 13-person household.
Age 21
b. ~1909
Female
Daughter
Born: North Carolina
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Martin, North Carolina |
| Surname | Dempsey |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | North Carolina |
| Father's Birthplace | North Carolina |
| Mother's Birthplace | North Carolina |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | North Carolina |
| Birth Country | United States |
| Birthplace (normalized) | north carolina |
| Township / Ward | Griffins 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.
13 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Vannie Dempsey | Daughter | — | 2 | ~1928 |
| William Dempsey | Son | — | 13 | ~1917 |
| Annie Dempsey | Spouse | — | 52 | ~1878 |
| Nellie Dempsey | Daughter | — | 15 | ~1915 |
| Elizabeth Dempsey | Daughter | — | 8 | ~1922 |
| Joseph Dempsey | Son | — | ~1930 | |
| Mabel Dempsey | Daughter | — | 23 | ~1907 |
| Claude Dempsey | Son | — | 10 | ~1920 |
| Cora Dempsey | Daughter | — | 5 | ~1925 |
| John Dempsey | Head | — | 53 | ~1877 |
| Theodosia Dempsey | Daughter | — | 17 | ~1913 |
| James Dempsey | Son | — | 9 | ~1921 |
| Mary Dempsey | Daughter | — | 21 | ~1909 |
Census Appearances
1930
Martin, North …
Daughter, age 21
Martin, North Carolina · implied b. ~1909 — 13 household members
| Surname | Dempsey |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | North Carolina |
| Father's Birthplace | North Carolina |
| Mother's Birthplace | North Carolina |
| Can Read/Write | Yes |
| Birth State | North Carolina |
| Birth Country | United States |
| Birthplace (normalized) | north carolina |
1940
Martin-County, North …
Daughter, age 32
Martin-County, North Carolina · implied b. ~1908 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dempsey |
| Given Name | Mazie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | North Carolina |
| 1935 Residence (City) | Griffin |
| 1935 Residence (County) | Martin |
| Occupation | House work |
| Industry | For family |
| Class of Worker | NP |
| Hours Worked | 30 |
| Income (1939) | 50 |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | North Carolina |
| Birth Country | United States |
| Birthplace (normalized) | north 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 Dempsey across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Dempsey
Daughter · 1930 · age 21 · b. ~1909 · North Carolina
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Sibling
Elizabeth Dempsey
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Dempsey
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nellie Dempsey
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Theodosia Dempsey
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Cora Dempsey
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Dempsey
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mabel Dempsey
Sibling · 1930 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Vannie Dempsey
Sibling · 1930 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Claude Dempsey
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Dempsey
Sibling · 1930 · age
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 — Martin, North Carolina
Open full size
1930 US Federal Census — Martin, North Carolina
Page Contents
50 people indexed on this census page (ia:1930:15thcensus1705unit:0017)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | James E. Daniel | 8 | Son | — | North Carolina |
| 52 | Nellie V. Daniel | 8 | Daughter | — | North Carolina |
| 53 | Emma E. Moore | 18 | Step Daughter | — | North Carolina |
| 54 | Vida A. Moore | 16 | Step Daughter | — | North Carolina |
| 55 | Vada V. Moore | 12 | Step Daughter | — | North Carolina |
| 56 | Harmon Daniel | 19 | Son | Farmer | North Carolina |
| 57 | William B. Dickerson | 60 | Head | Farmer | North Carolina |
| 58 | Edna Dickerson | 42 | Wife | — | North Carolina |
| 59 | James H. Dickerson | 17 | Son | Farm Laborer | North Carolina |
| 60 | Robert L. Dickerson | 15 | Son | Farm Laborer | North Carolina |
| 61 | David T. Dickerson | 12 | Son | Farm Laborer | North Carolina |
| 62 | William B. Jr. Dickerson | 10 | Son | Farm Laborer | North Carolina |
| 63 | Samuel Dickerson | 9 | Son | — | North Carolina |
| 64 | Harmon Dickerson | 6 | Son | — | North Carolina |
| 65 | Cora Perry | 23 | Daughter | — | North Carolina |
| 66 | Russell M. Perry | 24 | Son-in-law | Farm Laborer | North Carolina |
| 67 | Etta G. Perry | 3 | Granddaughter | — | North Carolina |
| 68 | J. Dawson Lilley | 55 | Head | Farmer | North Carolina |
| 69 | Charlie Lilley | 52 | Wife | — | North Carolina |
| 70 | Benjamin Lilley | 21 | Son | Farmer | North Carolina |
| 71 | Ida Lilley | 18 | Daughter | — | North Carolina |
| 72 | Estell Lilley | 15 | Daughter | — | North Carolina |
| 73 | Gladys Lilley | 12 | Daughter | — | North Carolina |
| 74 | Ola L. Lilley | 9 | Daughter | — | North Carolina |
| 75 | George Butler | 65 | Head | Farmer | North Carolina |
| 76 | Charlie Butler | 19 | Son | Farm Laborer | North Carolina |
| 77 | Kader J. Lilley | 29 | Head | Farmer | North Carolina |
| 78 | Grace Lilley | 26 | Wife | — | North Carolina |
| 79 | William Lilley | 8 | Son | — | North Carolina |
| 80 | Hubert W. Lilley | 7 | Son | — | North Carolina |
| 81 | John H. Dempsey | 53 | Head | Farmer | North Carolina |
| 82 | Annie Dempsey | 52 | Wife | — | North Carolina |
| 83 | Mabel Dempsey | 23 | Daughter | — | North Carolina |
| 84 | Mary Dempsey THIS PERSON | 21 | Daughter | — | North Carolina |
| 85 | Theodosia Dempsey | 17 | Daughter | — | North Carolina |
| 86 | Nellie Dempsey | 15 | Daughter | — | North Carolina |
| 87 | William H. Dempsey | 13 | Son | Farm Laborer | North Carolina |
| 88 | Claude A. Dempsey | 10 | Son | — | North Carolina |
| 89 | James L. Dempsey | 9 | Son | — | North Carolina |
| 90 | Elizabeth Dempsey | 8 | Daughter | — | North Carolina |
| 91 | Cora Dempsey | 5 | Daughter | — | North Carolina |
| 92 | Vannie M. Dempsey | 2 | Daughter | — | North Carolina |
| 93 | Joseph M. Dempsey | 0 | Son | — | North Carolina |
| 94 | John H. Lee | 35 | Head | Farmer | North Carolina |
| 95 | Julia Lee | 28 | Wife | — | North Carolina |
| 96 | Earnest O. Lee | 13 | Son | Farm Laborer | North Carolina |
| 97 | Katherine Lee | 9 | Daughter | — | North Carolina |
| 98 | Addie Lee | 14 | Sister | — | North Carolina |
| 99 | Alonzo Dempsey | 28 | Head | Farmer | North Carolina |
| 100 | Bertha Dempsey | 25 | Wife | — | North Carolina |
Related Census Records
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)