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Mary Mcelroy — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Sumter, Alabama
Our Model Tree links this Mary Mcelroy across the 1920 and 1930 US Censuses in Sumter, Alabama (XGBoost, ~Confirmed) — first a daughter (b.~1916), then head of a 7-person household.
Age 14
b. ~1916
Female
Daughter
Born: Alabama
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Sumter, Alabama |
| Surname | McElroy |
| Given Name | Mary A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
| Township / Ward | Precinct 20 Cuba Part |
| Est. Birth Year | ~1916 |
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.
7 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Mcelroy | Daughter | — | 14 | ~1916 |
| Will Mcelroy | Head | — | 52 | ~1878 |
| Blanche Mcelroy | Daughter | — | 10 | ~1920 |
| Lois Mcelroy | Daughter | — | 16 | ~1914 |
| Henry Mcelroy | Son | — | 15 | ~1915 |
| Mary Mcelroy | Spouse | — | 52 | ~1878 |
| Herbert Mcelroy | Son | — | 17 | ~1913 |
Census Appearances
1920
Sumter, Alabama
Daughter, age 3
Sumter, Alabama · implied b. ~1917 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McElroy |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1930
Sumter, Alabama
Daughter, age 14
Sumter, Alabama · implied b. ~1916 — 7 household members
| Surname | McElroy |
| Given Name | Mary A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Can Read/Write | Yes |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
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 Mcelroy across 2 US Census years (1920 and 1930) in Sumter, Alabama, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Mcelroy
Daughter · 1930 · age 14 · b. ~1916 · Alabama
★ You are viewing this record
Sibling
Henry Mcelroy
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lois Mcelroy
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Blanche Mcelroy
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Herbert Mcelroy
Sibling · 1930 · age 17
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 — Sumter, Alabama
Open full size
1930 US Federal Census — Sumter, Alabama
Page Contents
50 people indexed on this census page (ia:1930:15thcensus49usce:0509)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | James Thornton | 58 | Head | — | Alabama |
| 52 | Challie Thornton | 34 | Wife | — | Alabama |
| 53 | Ross Thornton | 26 | Son | Laborer | Alabama |
| 54 | Bromy Thornton | 20 | Daughter | — | Alabama |
| 55 | Junior Thornton | 5 | Grand Son | — | Alabama |
| 56 | James Thornton | 4 | Grand Son | — | Alabama |
| 57 | Emma Thornton | 1 | Grand Daughter | — | Alabama |
| 58 | Cornelius Nytter | 11 | Niece | — | Alabama |
| 59 | Tommie White | 16 | Boarder | — | Alabama |
| 60 | Isaac Sherfield | 75 | Head | Farmer | North Carolina |
| 61 | S. O. Ray | 21 | Head | Farmer | Alabama |
| 62 | Ruby Ray | 18 | Wife | — | Alabama |
| 63 | Lelia Harris | 23 | Head | Farmer | Alabama |
| 64 | Alice Harris | 22 | Wife | — | Alabama |
| 65 | Isaac Ward | 26 | Head | Farmer | Alabama |
| 66 | Annie Ward | 26 | Wife | — | Mississippi |
| 67 | Lidney Ward | 12 | Daughter | — | Alabama |
| 68 | Isaac Ward | 11 | Son | — | Mississippi |
| 69 | Henry Ward | 8 | Son | — | Mississippi |
| 70 | Annie Ward | 6 | Daughter | — | Mississippi |
| 71 | Poli H. Mcdonald | 53 | Head | Farmer | Alabama |
| 72 | Georgia Mcdonald | 42 | Wife | — | Alabama |
| 73 | William Mcdonald | 20 | Son | — | Alabama |
| 74 | Edith Mcdonald | 16 | Daughter | — | Alabama |
| 75 | John L. Deas | 55 | Head | Farmer | Alabama |
| 76 | Sena Deas | 53 | Wife | — | Alabama |
| 77 | John C. Deas | 22 | Son | Machinist | Alabama |
| 78 | Bessie M. Deas | 20 | Daughter | — | Alabama |
| 79 | Cara O. Deas | 17 | Daughter | — | Alabama |
| 80 | Callie V. Deas | 16 | Daughter | — | Alabama |
| 81 | Annie L. Deas | 13 | Daughter | — | Alabama |
| 82 | Claud Stalling | 48 | Head | Farmer | Alabama |
| 83 | Lillie Stalling | 48 | Wife | — | Alabama |
| 84 | Carlton Stalling | 18 | Son | — | Alabama |
| 85 | Elois Stalling | 15 | Daughter | — | Alabama |
| 86 | Walter E. Harris | 24 | Head | Farmer | Alabama |
| 87 | Annie V. Harris | 58 | Mother | — | Alabama |
| 88 | Cecil Harris | 19 | Brother | — | Alabama |
| 89 | Annie Harris | 15 | Sister | — | Alabama |
| 90 | Frank Harris | 20 | Brother | — | Alabama |
| 91 | Will R. Mcelroy | 52 | Head | Farmer | Alabama |
| 92 | Mary L. Mcelroy | 52 | Wife | — | Alabama |
| 93 | Herbert L. Mcelroy | 17 | Son | — | Alabama |
| 94 | Lois Mcelroy | 16 | Daughter | — | Alabama |
| 95 | Henry W. Mcelroy | 15 | Son | — | Alabama |
| 96 | Mary A. Mcelroy THIS PERSON | 14 | Daughter | — | Alabama |
| 97 | Blanche Mcelroy | 10 | Daughter | — | Alabama |
| 98 | Henry Sturdivant | 34 | Head | Farmer | Alabama |
| 99 | Hester Sturdivant | 24 | Wife | — | Mississippi |
| 100 | Lillie Sturdivant | 7 | Daughter | — | Alabama |
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)