MU
Mary Underwood — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Jessamine-County, Kentucky
Our Model Tree links this Mary Underwood across the 1930 and 1940 US Censuses in Jessamine-County, Kentucky (XGBoost, ~Confirmed) — first a daughter (b.~1928), then head of a 8-person household.
Age 12
b. ~1928
Female
Daughter
Born: Kentucky
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Jessamine-County, Kentucky |
| Surname | Underwood |
| Given Name | Mary Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Jessamine |
| Additional Details | |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Township / Ward | Dist 5 Plaquemine |
| Est. Birth Year | ~1928 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| William Underwood | Son | — | 10 | ~1930 |
| Merritt Underwood | Head | — | 50 | ~1890 |
| Mary Underwood | Daughter | — | 12 | ~1928 |
| Lester Underwood | Son | — | 4 | ~1936 |
| Hubert Underwood | Son | — | 21 | ~1919 |
| Bobbie Underwood | Son | — | 8 | ~1932 |
| Annie Underwood | Spouse | — | 48 | ~1892 |
| Bascom Underwood | Son | — | 16 | ~1924 |
Census Appearances
1930
Garrard, Kentucky
Daughter, age 2
Garrard, Kentucky · implied b. ~1928 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Underwood |
| Given Name | Mary B. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | none |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Jessamine-County, Kentucky
Daughter, age 12
Jessamine-County, Kentucky · implied b. ~1928 — 8 household members
| Surname | Underwood |
| Given Name | Mary Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Jessamine |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
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 · 1940 · age 12 · b. ~1928 · Kentucky
★ You are viewing this record
Sibling
Hubert Underwood
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bobbie Underwood
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Underwood
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bascom Underwood
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lester Underwood
Sibling · 1940 · age 4
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 — Jessamine-County, Kentucky
Open full size
1940 US Federal Census — Jessamine-County, Kentucky
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01322-00299)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ellard Hager | 29 | Son | Farmer | Kentucky |
| 2 | Thomas Hager | 19 | Son | Farmer | Kentucky |
| 3 | Lena Hager | 16 | Daughter | — | Kentucky |
| 4 | Carl Hager | 13 | Son | — | Kentucky |
| 5 | Hester Hager | 11 | Daughter | — | Kentucky |
| 6 | Floyd Byrd | 47 | Head | Farmer | Kentucky |
| 7 | Rosa Byrd | 39 | Wife | — | Kentucky |
| 8 | Clayton Byrd | 19 | Son | Farmer | Kentucky |
| 9 | Della Byrd | 15 | Daughter | — | Kentucky |
| 10 | Ivon Ray Byrd | 13 | Daughter | — | Kentucky |
| 11 | Lillie Dale Byrd | 10 | Daughter | — | Kentucky |
| 12 | Hazel Doris Byrd | 1 | Daughter | — | Kentucky |
| 13 | Ellis Lowry | 30 | Head | Farmer | Kentucky |
| 14 | Emma Jane Lowry | 32 | Wife | — | Kentucky |
| 15 | Ethel Mae Lowry | 3 | Daughter | — | Kentucky |
| 16 | Ida Mae Lowry | 2 | Daughter | — | Kentucky |
| 17 | Willie Lowry | 39 | Brother | Farmer | Kentucky |
| 18 | Merritt Underwood | 50 | Head | Farmer | Kentucky |
| 19 | Annie Underwood | 48 | Wife | — | Kentucky |
| 20 | Hubert Underwood | 21 | Son | Farmer | Kentucky |
| 21 | Bascom Underwood | 16 | Son | Farmer | Kentucky |
| 22 | Mary Ruth Underwood THIS PERSON | 12 | Daughter | — | Kentucky |
| 23 | William P. Underwood | 10 | Son | — | Kentucky |
| 24 | Bobbie L. Underwood | 8 | Son | — | Kentucky |
| 25 | Lester H. Underwood | 4 | Son | — | Kentucky |
| 26 | Willie Land | 52 | Head | Farmer | Kentucky |
| 27 | Jimmy Land | 11 | Son | — | Kentucky |
| 28 | Arthur Hager | 58 | Head | Farmer | Kentucky |
| 29 | Callie Hager | 58 | Wife | — | Kentucky |
| 30 | Herman Hager | 34 | Son | Farmer | Kentucky |
| 31 | Wealthy Hager | 30 | Daughter-in-law | — | Kentucky |
| 32 | Herman Jr. Hager | 14 | Grandson | — | Kentucky |
| 33 | Kenneth R. Hager | 12 | Grandson | — | Kentucky |
| 34 | Arline Hager | 12 | Granddaughter | — | Kentucky |
| 35 | Rubena Hager | 9 | Granddaughter | — | Kentucky |
| 36 | C. C. English | 68 | Head | Farmer | Kentucky |
| 37 | Claudie English | 62 | Wife | — | Kentucky |
| 38 | Buell English | 33 | Son | — | Kentucky |
| 39 | Bobbie Jean English | 7 | Grandson | — | Kentucky |
| 40 | Jess Tudor | 28 | Head | Farmer | Kentucky |
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)