MC
Mary Conrad — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Owen-County, Kentucky
Our Model Tree links this Mary Conrad across the 1930 and 1940 US Censuses in Owen-County, Kentucky (XGBoost, ~Confirmed) — first a daughter (b.~1929), then head of a 10-person household.
Age 11
b. ~1929
Female
Daughter
Born: Kentucky
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Owen-County, Kentucky |
| Surname | Conrad |
| Given Name | Mary Sue |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Grant |
| Additional Details | |
| Highest Grade | No 5 |
| 1935 Residence | Kentucky |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Township / Ward | Mag Dist 1 |
| Est. Birth Year | ~1929 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Clifton Conrad | Head | — | 38 | ~1902 |
| Jeff Conrad | Son | — | 1 | ~1939 |
| James Conrad | Son | — | 2 | ~1938 |
| Mary Conrad | Daughter | — | 11 | ~1929 |
| Anna Conrad | Spouse | — | 36 | ~1904 |
| Arthur Conrad | Son | — | 17 | ~1923 |
| Ann Conrad | Daughter | — | 13 | ~1927 |
| Gerald Conrad | Son | — | 9 | ~1931 |
| David Conrad | Son | — | 6 | ~1934 |
| Lewis Conrad | Son | — | 15 | ~1925 |
Census Appearances
1930
Grant, Kentucky
Daughter, age 1
Grant, Kentucky · implied b. ~1929 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Conrad |
| Given Name | Mary C |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Age at First Marriage | 18 |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Veteran | No |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Owen-County, Kentucky
Daughter, age 11
Owen-County, Kentucky · implied b. ~1929 — 10 household members
| Surname | Conrad |
| Given Name | Mary Sue |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Grant |
| Highest Grade | No 5 |
| 1935 Residence | Kentucky |
| 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 Conrad across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Conrad
Daughter · 1940 · age 11 · b. ~1929 · Kentucky
★ You are viewing this record
Sibling
Jeff Conrad
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Conrad
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gerald Conrad
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lewis Conrad
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ann Conrad
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arthur Conrad
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
David Conrad
Sibling · 1940 · age 6
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 — Owen-County, Kentucky
Open full size
1940 US Federal Census — Owen-County, Kentucky
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01347-00021)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Nadine Kishnan | 2 | Daughter | — | Kentucky |
| 42 | Lester Cammack | 26 | Head | Farmer | Kentucky |
| 43 | Mildred Cammack | 23 | Wife | — | Kentucky |
| 44 | Mrs. J. M. Beverly | 61 | Head | Housekeeper | Kentucky |
| 45 | Lucie Wrobel | 74 | Head | — | Kentucky |
| 46 | Edward Maddox | 35 | Son | Painter | Kentucky |
| 47 | Mable Webber | 34 | Daughter | Clerk | Kentucky |
| 48 | Ira C. Mason | 24 | Head | Farm Labor | Kentucky |
| 49 | Blanche Mason | 22 | Wife | — | Kentucky |
| 50 | Carlene Mason | 3 | Daughter | — | Kentucky |
| 51 | Norma Mason | 1 | Daughter | — | Kentucky |
| 52 | Roger Hatchwell | 27 | Head | Mechanic | Kentucky |
| 53 | Estella Hatchwell | 23 | Wife | — | Kentucky |
| 54 | R. C. Stewart | 34 | Head | Farm Labor | Kentucky |
| 55 | Sula Stewart | 34 | Wife | — | Kentucky |
| 56 | Virginia Lee Stewart | 13 | Daughter | — | Kentucky |
| 57 | Glunnoe Stewart | 10 | Son | — | Kentucky |
| 58 | Verdena Mae Stewart | 9 | Daughter | — | Kentucky |
| 59 | Johnson Osborn | 51 | Head | Farmer | Kentucky |
| 60 | Drusie Osborn | 57 | Wife | — | Kentucky |
| 61 | Porter Osborn | 21 | Son | Farmer | Kentucky |
| 62 | Lucile Smith | 21 | Daughter | — | Kentucky |
| 63 | Clifton E. Conrad | 38 | Head | Farmer | Kentucky |
| 64 | Anna Mae Conrad | 36 | Wife | — | Kentucky |
| 65 | Arthur Franklin Conrad | 17 | Son | — | Kentucky |
| 66 | Lewis Clifton Conrad | 15 | Son | — | Kentucky |
| 67 | Ann Lakie Conrad | 13 | Daughter | — | Kentucky |
| 68 | Mary Sue Conrad THIS PERSON | 11 | Daughter | — | Kentucky |
| 69 | Gerald Ray Conrad | 9 | Son | — | Kentucky |
| 70 | David Lee Conrad | 6 | Son | — | Kentucky |
| 71 | James Larry Conrad | 2 | Son | — | Kentucky |
| 72 | Jeff David Conrad | 1 | Son | — | Kentucky |
| 73 | Daris King | 67 | Head | Farmer | Kentucky |
| 74 | Everit King | 36 | Son | Farmer | Kentucky |
| 75 | F. R. Webb | 49 | Head | Farmer | Kentucky |
| 76 | Stanley Webb | 47 | Brother | Farmer | Kentucky |
| 77 | Beatie Webb | 45 | Sister | — | Kentucky |
| 78 | Gayle Knatzer | 39 | Head | Farm Labor | Kentucky |
| 79 | Dessie Knatzer | 39 | Wife | — | Kentucky |
| 80 | Vernon Knatzer | 17 | Son | Farm Labor | 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)