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Mary Alexander — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Wake, North Carolina
Our Model Tree links this Mary Alexander across the 1920 and 1930 US Censuses in Wake, North Carolina (XGBoost, ~Confirmed) — first a spouse (b.~1893), then head of a 13-person household.
Age 37
b. ~1893
Female
Spouse
Born: North Carolina
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Wake, North Carolina |
| Surname | Alexander |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 37 |
| Marital Status | Married |
| Birthplace | North Carolina |
| Age at First Marriage | 18 |
| 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 | Raleigh City |
| Est. Birth Year | ~1893 |
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 |
|---|---|---|---|---|
| Lizzie Alexander | Daughter | — | 1 | ~1929 |
| Thelma Alexander | Daughter | — | 6 | ~1924 |
| Lula Alexander | Daughter | — | ~1930 | |
| Lottie Alexander | Daughter | — | 10 | ~1920 |
| Ruth Alexander | Daughter | — | 12 | ~1918 |
| Lillian Alexander | Daughter | — | 4 | ~1926 |
| Zollie Alexander | Head | — | 40 | ~1890 |
| Lizzie Alexander | Other | — | 70 | ~1860 |
| Lula Alexander | Other | — | 30 | ~1900 |
| James Alexander | Son | — | 14 | ~1916 |
| William Alexander | Son | — | 8 | ~1922 |
| Robert Alexander | Son | — | 2 | ~1928 |
| Mary Alexander | Spouse | — | 37 | ~1893 |
Census Appearances
1920
Wake, North …
Other, age 29
Wake, North Carolina · implied b. ~1891 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Alexander |
| Given Name | Mary |
| Relationship to Head | Boarder |
| Sex | F |
| Color / Race | Black |
| Age | 29 |
| Marital Status | Married |
| Birthplace | North Carolina |
| Father's Birthplace | North Carolina |
| Mother's Birthplace | North Carolina |
| Occupation | Laundrywoman |
| Industry | Private Family |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | North Carolina |
| Birth Country | United States |
| Birthplace (normalized) | north carolina |
1930
Wake, North …
Spouse, age 37
Wake, North Carolina · implied b. ~1893 — 13 household members
| Surname | Alexander |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 37 |
| Marital Status | Married |
| Birthplace | North Carolina |
| Age at First Marriage | 18 |
| 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 |
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 Alexander across 2 US Census years (1920 and 1930) in Wake, North Carolina, using XGBoost record linkage.
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This person
Anchor record
Mary Alexander
Spouse · 1930 · age 37 · b. ~1893 · North Carolina
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Wake, North Carolina
Open full size
1930 US Federal Census — Wake, North Carolina
Page Contents
50 people indexed on this census page (ia:1930:15thcensus1724unit:0679)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Seth Vinson | 58 | Head | Farmer | North Carolina |
| 52 | Lottie Vinson | 50 | Wife | — | North Carolina |
| 53 | Mary Vinson | 20 | Daughter | — | North Carolina |
| 54 | Seth Jr Vinson | 18 | Son | Laborer | North Carolina |
| 55 | James Boykins | 40 | Head | Farmer | North Carolina |
| 56 | Mary Boykins | 37 | Wife | — | North Carolina |
| 57 | James Jr Boykins | 14 | Son | Laborer | North Carolina |
| 58 | Ruth Boykins | 12 | Daughter | — | North Carolina |
| 59 | Lottie Boykins | 10 | Daughter | — | North Carolina |
| 60 | William Boykins | 8 | Son | — | North Carolina |
| 61 | Thelma Boykins | 6 | Daughter | — | North Carolina |
| 62 | Lillian Boykins | 4 | Daughter | — | North Carolina |
| 63 | Robert Boykins | 2 | Son | — | North Carolina |
| 64 | Lizzie Boykins | 1 | Daughter | — | North Carolina |
| 65 | Lula Boykins | 0 | Daughter | — | North Carolina |
| 66 | Lizzie Boykins | 70 | Mother | — | North Carolina |
| 67 | Lula Boykins | 30 | Sister | — | North Carolina |
| 68 | Lizzie Boykins | 10 | Niece | — | North Carolina |
| 69 | James Boykins | 8 | Nephew | — | North Carolina |
| 70 | Mary Boykins | 6 | Niece | — | North Carolina |
| 71 | Lula Boykins | 4 | Niece | — | North Carolina |
| 72 | Robert Boykins | 2 | Nephew | — | North Carolina |
| 73 | Lizzie Boykins | 1 | Niece | — | North Carolina |
| 74 | Lula Boykins | 0 | Niece | — | North Carolina |
| 75 | John Garland | 25 | Head | Laborer | North Carolina |
| 76 | Lizzie Garland | 21 | Wife | — | North Carolina |
| 77 | John Jr Garland | 1 | Son | — | North Carolina |
| 78 | Lula Garland | 0 | Daughter | — | North Carolina |
| 79 | Lizzie Garland | 45 | Mother | — | North Carolina |
| 80 | Lula Garland | 18 | Sister | — | North Carolina |
| 81 | Lizzie Garland | 10 | Niece | — | North Carolina |
| 82 | James Garland | 8 | Nephew | — | North Carolina |
| 83 | Mary Garland | 6 | Niece | — | North Carolina |
| 84 | Lula Garland | 4 | Niece | — | North Carolina |
| 85 | Robert Garland | 2 | Nephew | — | North Carolina |
| 86 | Lizzie Garland | 1 | Niece | — | North Carolina |
| 87 | Lula Garland | 0 | Niece | — | North Carolina |
| 88 | Zollie Alexander | 40 | Head | Farmer | North Carolina |
| 89 | Mary Alexander THIS PERSON | 37 | Wife | — | North Carolina |
| 90 | James Alexander | 14 | Son | Laborer | North Carolina |
| 91 | Ruth Alexander | 12 | Daughter | — | North Carolina |
| 92 | Lottie Alexander | 10 | Daughter | — | North Carolina |
| 93 | William Alexander | 8 | Son | — | North Carolina |
| 94 | Thelma Alexander | 6 | Daughter | — | North Carolina |
| 95 | Lillian Alexander | 4 | Daughter | — | North Carolina |
| 96 | Robert Alexander | 2 | Son | — | North Carolina |
| 97 | Lizzie Alexander | 1 | Daughter | — | North Carolina |
| 98 | Lula Alexander | 0 | Daughter | — | North Carolina |
| 99 | Lizzie Alexander | 70 | Mother | — | North Carolina |
| 100 | Lula Alexander | 30 | Sister | — | North 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)