MU
Mary Underwood — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Grady, Georgia
Our Model Tree links this Mary Underwood across the 1930 and 1940 US Censuses in Grady, Georgia (XGBoost, ~Confirmed) — first a daughter (b.~1924), then head of a 9-person household.
Age 6
b. ~1924
Female
Daughter
Born: Georgia
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Grady, Georgia |
| Surname | Underwood |
| Given Name | Mary Eth L |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Georgia |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Georgia |
| Additional Details | |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
| Township / Ward | North Spence District 1440 |
| Est. Birth Year | ~1924 |
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 |
|---|---|---|---|---|
| Mary Underwood | Daughter | — | 6 | ~1924 |
| Milton Underwood | Head | — | 52 | ~1878 |
| Mattie Underwood | Daughter | — | 23 | ~1907 |
| Hattie Underwood | Daughter | — | 20 | ~1910 |
| Nannie Underwood | Daughter | — | 10 | ~1920 |
| John Underwood | Son | — | 14 | ~1916 |
| Rosa Underwood | Spouse | — | 33 | ~1897 |
| Helen Underwood | Daughter | — | 12 | ~1918 |
| John Underwood | Son | — | 17 | ~1913 |
Census Appearances
1930
Grady, Georgia
Daughter, age 6
Grady, Georgia · implied b. ~1924 — 9 household members
| Surname | Underwood |
| Given Name | Mary Eth L |
| 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
Grady-County, Georgia
Daughter, age 16
Grady-County, Georgia · implied b. ~1924 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Underwood |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Georgia |
| 1935 Residence (City) | Winter Garden |
| 1935 Residence (County) | Orange |
| Hours Worked | 6 |
| Income (1939) | 35 |
| Highest Grade | No 6 |
| 1935 Residence | Florida |
| 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 Underwood across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Underwood
Daughter · 1930 · age 6 · b. ~1924 · Georgia
★ You are viewing this record
Sibling
Hattie Underwood
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nannie Underwood
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Underwood
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mattie Underwood
Sibling · 1930 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Underwood
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Underwood
Sibling · 1930 · age 14
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 — Grady, Georgia
Open full size
1930 US Federal Census — Grady, Georgia
Page Contents
50 people indexed on this census page (ia:1930:georgiacensus00reel366:1083)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Dannie W Forford | 20 | Granddaughter | — | Georgia |
| 2 | Fred Daughtry | 25 | Head | Farmer | Georgia |
| 3 | Hazel Daughtry | 18 | Wife | — | Georgia |
| 4 | Mizelle O Daughtry | 2 | Daughter | — | Georgia |
| 5 | King Mack | 32 | Head | Farmer | Georgia |
| 6 | Ruby Mack | 22 | Wife | — | Georgia |
| 7 | Virginia Mack | 7 | Daughter | — | Georgia |
| 8 | George Jr Mack | 5 | Son | — | Georgia |
| 9 | Lewis Mack | 3 | Son | — | Georgia |
| 10 | Milton Underwood | 52 | Head | Farmer | Georgia |
| 11 | Rosa M Underwood | 33 | Wife | — | Georgia |
| 12 | Mattie L Underwood | 23 | Daughter | Farm Laborer | Georgia |
| 13 | Hattie M Underwood | 20 | Daughter | Farm Laborer | Georgia |
| 14 | John B Underwood | 17 | Son | Farm Laborer | Georgia |
| 15 | John R Underwood | 14 | Son | Farm Laborer | Georgia |
| 16 | Helen L Underwood | 12 | Daughter | Farm Laborer | Georgia |
| 17 | Nannie R Underwood | 10 | Daughter | Farm Laborer | Georgia |
| 18 | Mary Eth L Underwood THIS PERSON | 6 | Daughter | — | Georgia |
| 19 | Jordan Taylor | 44 | Head | Farmer | Georgia |
| 20 | Alberta Taylor | 35 | Wife | — | Georgia |
| 21 | J H Taylor | 15 | Son | Farm Laborer | Georgia |
| 22 | Velma Taylor | 10 | Daughter | — | Georgia |
| 23 | Charlie L Taylor | 7 | Son | — | Georgia |
| 24 | William M Taylor | 5 | Son | — | Georgia |
| 25 | Clarence G Taylor | 3 | Son | — | Georgia |
| 26 | Robert L Taylor | 2 | Son | — | Georgia |
| 27 | Thomas J Davis | 65 | Head | Farmer | Georgia |
| 28 | Ella Davis | 72 | Wife | — | Georgia |
| 29 | Luther Davis | 21 | Boarder | Farm Laborer | Georgia |
| 30 | John Seal | 67 | Head | Farmer | Georgia |
| 31 | Maggie Seal | 61 | Wife | — | Georgia |
| 32 | Clyde Seal | 28 | Son | Farmer | Georgia |
| 33 | Willie R Seal | 17 | Son | Farm Laborer | Georgia |
| 34 | Clifford S Seal | 14 | Son | — | Georgia |
| 35 | Bill Bostick | 45 | Head | Farmer | Georgia |
| 36 | Lizzie Bostick | 45 | Wife | — | Georgia |
| 37 | Willie Bostick | 15 | Son | Farm Laborer | Georgia |
| 38 | Annie M Bostick | 7 | Daughter | — | Georgia |
| 39 | J W Bostick | 6 | Son | — | Georgia |
| 40 | Ernest Bostick | 5 | Son | — | Georgia |
| 41 | Geneva Bostick | 1 | Daughter | — | Georgia |
| 42 | Chatmuckna | 51 | Head | Farmer | Georgia |
| 43 | Laney Chatmuckna | 21 | Daughter | Farm Laborer | Georgia |
| 44 | Iza Chatmuckna | 25 | Son | Farm Laborer | Georgia |
| 45 | Callie H Chatmuckna | 23 | Daughter-in-law | — | Georgia |
| 46 | Gauffrey Chatmuckna | 10 | Grandson | — | Georgia |
| 47 | Nathal Chatmuckna | 7 | Grandson | — | Georgia |
| 48 | Frazier C Chatmuckna | 5 | Grandson | Farm Laborer | Georgia |
| 49 | Annie L B Chatmuckna | 14 | Granddaughter | Farm Laborer | Georgia |
| 50 | — | None | — | — | — |
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)