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Mary Mcelroy — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Lincoln, Tennessee
Our Model Tree links this Mary Mcelroy across the 1930 and 1940 US Censuses in Lincoln, Tennessee (XGBoost, ~Confirmed) — first a daughter (b.~1921), then head of a 9-person household.
Age 9
b. ~1921
Female
Daughter
Born: Tennessee
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Lincoln, Tennessee |
| Surname | McElroy |
| Given Name | Mary Ell |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Tennessee |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
| Township / Ward | 10Th Civil District |
| Est. Birth Year | ~1921 |
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.
9 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Nimrod Mcelroy | Son | — | 15 | ~1915 |
| James Mcelroy | Son | — | 12 | ~1918 |
| Andy Mcelroy | Head | — | 40 | ~1890 |
| Innis Mcelroy | Daughter | — | 16 | ~1914 |
| Leah Mcelroy | Spouse | — | 45 | ~1885 |
| Mary Mcelroy | Daughter | — | 4 | ~1926 |
| Mary Mcelroy | Daughter | — | 9 | ~1921 |
| Ruby Mcelroy | Daughter | — | ~1930 | |
| Lee Mcelroy | Son | — | 19 | ~1911 |
Census Appearances
1930
Lincoln, Tennessee
Daughter, age 9
Lincoln, Tennessee · implied b. ~1921 — 9 household members
| Surname | McElroy |
| Given Name | Mary Ell |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Tennessee |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Can Read/Write | Yes |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1940
Giles-County, Tennessee
Spouse, age 20
Giles-County, Tennessee · implied b. ~1920 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McElroy |
| Given Name | Martha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Married |
| Birthplace | Tennessee |
| 1935 Residence (City) | District 8 |
| 1935 Residence (County) | Giles |
| Industry | 0 |
| Highest Grade | 6 |
| 1935 Residence | Same place |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
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 · 1930 · age 9 · b. ~1921 · Tennessee
★ You are viewing this record
Sibling
Nimrod Mcelroy
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruby Mcelroy
Sibling · 1930 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Mcelroy
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Mcelroy
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Innis Mcelroy
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lee Mcelroy
Sibling · 1930 · age 19
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 — Lincoln, Tennessee
Open full size
1930 US Federal Census — Lincoln, Tennessee
Page Contents
50 people indexed on this census page (ia:1930:15thcensus2262unit:0283)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Ben Gant | 12 | Daughter | — | Tennessee |
| 52 | William T Mcclenny | 48 | Head | Farmer | Tennessee |
| 53 | Annie Lou Mcclenny | 42 | Wife | — | Tennessee |
| 54 | Ruthie Lee Mcclenny | 17 | Daughter | — | Tennessee |
| 55 | William Mcclenny | 14 | Son | — | Tennessee |
| 56 | John L Marsh | 40 | Head | Farmer | Tennessee |
| 57 | Sarah L Marsh | 36 | Wife | — | Tennessee |
| 58 | Melba M Marsh | 14 | Daughter | — | Tennessee |
| 59 | Aaron Young | 18 | Cousin | — | Tennessee |
| 60 | William M Young | 73 | Mother | — | Tennessee |
| 61 | Charlie Grady | 24 | Head | Farmer | Tennessee |
| 62 | Corinne Grady | 24 | Wife | — | Tennessee |
| 63 | Robert M Grady | 5 | Son | — | Tennessee |
| 64 | Charles B Grady | 1 | Son | — | Tennessee |
| 65 | Quint L Barham | 40 | Head | Farmer | Tennessee |
| 66 | Lela Mae Barham | 38 | Wife | — | Tennessee |
| 67 | Paul M Barham | 14 | Son | — | Tennessee |
| 68 | Andy Mcelroy | 40 | Head | Farmer | Tennessee |
| 69 | Leah Mcelroy | 45 | Wife | — | Tennessee |
| 70 | Lee Theo Mcelroy | 19 | Son | — | Tennessee |
| 71 | Innis A Mcelroy | 16 | Daughter | — | Tennessee |
| 72 | Nimrod Mcelroy | 15 | Son | — | Tennessee |
| 73 | James T Mcelroy | 12 | Son | — | Tennessee |
| 74 | Mary Ell Mcelroy THIS PERSON | 9 | Daughter | — | Tennessee |
| 75 | Mary E Mcelroy | 4 | Daughter | — | Tennessee |
| 76 | Ruby Mcelroy | 0 | Daughter | — | Tennessee |
| 77 | John L Pierce | 48 | Head | Farmer | Tennessee |
| 78 | Martha E Pierce | 42 | Wife | — | Tennessee |
| 79 | Lucie Foster | 38 | Servant | — | Tennessee |
| 80 | Cornelius C London | 42 | Head | Gov. Employe | Tennessee |
| 81 | Zela London | 34 | Wife | — | Tennessee |
| 82 | Cornelia London | 80 | Mother | — | Tennessee |
| 83 | Huffer Greer | 44 | Head | Farm Laborer | Tennessee |
| 84 | Maggie Greer | 36 | Wife | — | Tennessee |
| 85 | Robbie Pearl Greer | 12 | Daughter | — | Tennessee |
| 86 | Margie R Greer | 9 | Daughter | — | Tennessee |
| 87 | Maggie Lou Greer | 7 | Daughter | — | Tennessee |
| 88 | Huffer Jr Greer | 4 | Son | — | Tennessee |
| 89 | Mary F Greer | 3 | Daughter | — | Tennessee |
| 90 | Ruby Greer | 2 | Daughter | — | Tennessee |
| 91 | Clara Percy | 60 | Head | Farmer | Tennessee |
| 92 | Cammie Percy | 38 | Sister | Farmer | Tennessee |
| 93 | Henry Green | 58 | Head | Farmer | Tennessee |
| 94 | Mattie Green | 52 | Wife | — | Tennessee |
| 95 | Ollie Green | 20 | Son | — | Tennessee |
| 96 | Canon Green | 18 | Son | — | Tennessee |
| 97 | Bessie Green | 10 | Daughter | — | Tennessee |
| 98 | Dan Green | 8 | Son | — | Tennessee |
| 99 | Juan Green | 5 | Daughter | — | Tennessee |
| 100 | Leon Green | 1 | Son | — | Tennessee |
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)