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Mary Mcelroy — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Fulton-County, Georgia
Our Model Tree links this Mary Mcelroy across the 1930 and 1940 US Censuses in Fulton-County, Georgia (XGBoost, ~Confirmed) — first a daughter (b.~1925), then head of a 6-person household.
Age 15
b. ~1925
Female
Daughter
Born: Georgia
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Fulton-County, Georgia |
| Surname | McElroy |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Georgia |
| 1935 Residence (City) | Atlanta City |
| 1935 Residence (County) | Fulton |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same Place |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
| Township / Ward | Atlanta City |
| Est. Birth Year | ~1925 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Raleigh Mcelroy | Son | — | 1 | ~1939 |
| Fay Mcelroy | Spouse | — | 32 | ~1908 |
| Mary Mcelroy | Other | — | 70 | ~1870 |
| Harriett Mcelroy | Daughter | — | 19 | ~1921 |
| Mary Mcelroy | Daughter | — | 15 | ~1925 |
| Frank Mcelroy | Head | — | 50 | ~1890 |
Census Appearances
1930
Fulton, Georgia
Daughter, age 6
Fulton, Georgia · implied b. ~1924 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McElroy |
| Given Name | Mary E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Georgia |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Georgia |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
1940
Fulton-County, Georgia
Daughter, age 15
Fulton-County, Georgia · implied b. ~1925 — 6 household members
| Surname | McElroy |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Georgia |
| 1935 Residence (City) | Atlanta City |
| 1935 Residence (County) | Fulton |
| Income (1939) | 0 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same Place |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
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 (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Mcelroy
Daughter · 1940 · age 15 · b. ~1925 · Georgia
★ You are viewing this record
Sibling
Harriett Mcelroy
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Raleigh Mcelroy
Sibling · 1940 · age 1
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
1940 US Federal Census — Fulton-County, Georgia
Open full size
1940 US Federal Census — Fulton-County, Georgia
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-00725-00694)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Frances L. Cowart | 26 | Wife | — | Alabama |
| 42 | Barbara A. Cowart | 6 | Daughter | — | Georgia |
| 43 | Ruth D. Cowart | 5 | Daughter | — | Georgia |
| 44 | Lillie M. Anderson | 53 | Mother-in-law | — | Alabama |
| 45 | Roy Harris | 33 | Head | Meat Cutter | Georgia |
| 46 | Eda D. Harris | 23 | Wife | — | Georgia |
| 47 | Roy Jr. Harris | 3 | Son | — | Georgia |
| 48 | Norma A. Harris | 1 | Daughter | — | Georgia |
| 49 | Jewel Loyd | 25 | Lodger | Secretary | Georgia |
| 50 | Ernest W. Weatherford | 37 | Head | Machinist | Georgia |
| 51 | Mary R. Weatherford | 34 | Wife | — | Georgia |
| 52 | Charles Weatherford | 8 | Son | — | Georgia |
| 53 | Alonzo E. Lazenby | 52 | Head | Meat Cutter | Georgia |
| 54 | Mable A. Lazenby | 48 | Wife | — | Alabama |
| 55 | Joe V. Lazenby | 23 | Son | Clerk | Alabama |
| 56 | Betty L. Lazenby | 18 | Daughter | Cashier | Alabama |
| 57 | James F. Lazenby | 14 | Son | — | Alabama |
| 58 | Carl L. Lazenby | 12 | Son | — | Alabama |
| 59 | Richard L. Wood | 69 | Head | — | Georgia |
| 60 | Ola L. Wood | 56 | Wife | — | Georgia |
| 61 | Norma Wood | 14 | Daughter | — | Georgia |
| 62 | Doris W. Green | 27 | Daughter | Stenographer | Georgia |
| 63 | Carol P. Green | 5 | Daughter | — | Georgia |
| 64 | Calvin S. Cannon | 32 | Head | Laborer | Georgia |
| 65 | Charlie M. Cannon | 26 | Wife | — | Georgia |
| 66 | Caroline Cannon | 4 | Daughter | — | Georgia |
| 67 | Franklin Cannon | 2 | Son | — | Georgia |
| 68 | Emmett F. Connell | 38 | Head | Carpenter | Georgia |
| 69 | Eula M. Connell | 37 | Wife | — | Georgia |
| 70 | Frank H. Mcelroy | 50 | Head | Fireman | Georgia |
| 71 | Fay E. Mcelroy | 32 | Wife | — | Georgia |
| 72 | Harriett A. Mcelroy | 19 | Daughter | — | Georgia |
| 73 | Mary E. Mcelroy THIS PERSON | 15 | Daughter | — | Georgia |
| 74 | Raleigh S. Mcelroy | 1 | Son | — | Georgia |
| 75 | Mary Mcelroy | 70 | Aunt | — | Georgia |
| 77 | Samuel D. Tanner | 49 | Head | Salesman | Georgia |
| 78 | Artie B. Tanner | 47 | Wife | — | Georgia |
| 79 | Samuel D. Jr. Tanner | 21 | Son | Assistant Physical Director | Georgia |
| 80 | William H. Lloyd | 29 | Head | Secretary | Georgia |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 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)