MC
Mary Crosby — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Fayette-County, Kentucky
Our Model Tree links this Mary Crosby across the 1930 and 1940 US Censuses in Fayette-County, Kentucky (XGBoost, ~Confirmed) — first a daughter (b.~1921), then head of a 8-person household.
Age 19
b. ~1921
Female
Daughter
Born: Kentucky
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Fayette-County, Kentucky |
| Surname | Crosby |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Lexington |
| 1935 Residence (County) | Fayette |
| Additional Details | |
| Occupation | Cook |
| Industry | Private House |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 156 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Occupation | Cook |
| Township / Ward | Lexington |
| 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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Frances Crosby | Daughter | — | 15 | ~1925 |
| James Crosby | Son | — | 22 | ~1918 |
| Mary Crosby | Daughter | — | 19 | ~1921 |
| Allen Crosby | Son | — | 24 | ~1916 |
| Mattie Crosby | Spouse | — | 50 | ~1890 |
| Ethel Logans | Other | — | 7 | ~1933 |
| Leon Crosby | Son | — | 12 | ~1928 |
| Reuben Crosby | Head | — | 52 | ~1888 |
Census Appearances
1930
Fayette, Kentucky
Daughter, age 9
Fayette, Kentucky · implied b. ~1921 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Crosby |
| Given Name | Mary E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Can Read/Write | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Fayette-County, Kentucky
Daughter, age 19
Fayette-County, Kentucky · implied b. ~1921 — 8 household members
| Surname | Crosby |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Lexington |
| 1935 Residence (County) | Fayette |
| Occupation | Cook |
| Industry | Private House |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 156 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| 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 Crosby across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Crosby
Daughter · 1940 · age 19 · b. ~1921 · Kentucky
★ You are viewing this record
Sibling
James Crosby
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Allen Crosby
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frances Crosby
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leon Crosby
Sibling · 1940 · age 12
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 — Fayette-County, Kentucky
Open full size
1940 US Federal Census — Fayette-County, Kentucky
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01303-00778)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Sarah T. H. Asbury | 38 | Wife | — | Kentucky |
| 2 | Thomas H. Asbury | 13 | Son | — | Kentucky |
| 3 | William James | 26 | Head | Labor | Kentucky |
| 4 | Darell James | 24 | Servant | General Maid | Kentucky |
| 5 | Luther Colliver | 55 | Head | Tenant Farmer | Kentucky |
| 6 | Bertha Colliver | 52 | Wife | — | Kentucky |
| 7 | Morris Colliver | 24 | Son | Labor | Kentucky |
| 8 | Christine Colliver | 19 | Daughter | — | Kentucky |
| 9 | Melvin Colliver | 16 | Son | — | Kentucky |
| 10 | J. T. Colliver | 10 | Son | — | Kentucky |
| 11 | Adrian Colliver | 33 | Head | Tenant Farmer | Kentucky |
| 12 | Ethel Colliver | 29 | Wife | — | Kentucky |
| 13 | Thomas Colliver | 9 | Son | — | Kentucky |
| 14 | Clyde Allen Colliver | 5 | Son | — | Kentucky |
| 15 | Betty Jane Colliver | 3 | Daughter | — | Kentucky |
| 16 | Charley Givens | 64 | Head | Labor | Kentucky |
| 17 | Mary Givens | 46 | Wife | — | Kentucky |
| 18 | Charley, Jr. Givens | 21 | Son | Labor | Kentucky |
| 19 | Robert Givens | 20 | Son | Labor | Kentucky |
| 20 | James Lee | 42 | Head | Tenant Farmer | Kentucky |
| 21 | Winnie Lee | 41 | Wife | — | Kentucky |
| 22 | Mattie Lee | 15 | Daughter | — | Kentucky |
| 23 | Mary Lee | 12 | Daughter | — | Kentucky |
| 24 | Sarah Lee | 10 | Daughter | — | Kentucky |
| 25 | James, Jr. Lee | 4 | Son | — | Kentucky |
| 26 | George Lee | 32 | Brother | — | Kentucky |
| 27 | Howard Mccann | 27 | Head | Labor | Kentucky |
| 28 | Anna Mae Mccann | 25 | Wife | Cook | Kentucky |
| 29 | Reuben Crosby | 52 | Head | Labor | Kentucky |
| 30 | Mattie Crosby | 50 | Wife | — | Kentucky |
| 31 | Allen Crosby | 24 | Son | Labor | Kentucky |
| 32 | James Crosby | 22 | Son | Labor | Kentucky |
| 33 | Mary Crosby THIS PERSON | 19 | Daughter | Cook | Kentucky |
| 34 | Frances Crosby | 15 | Daughter | — | Kentucky |
| 35 | Leon Crosby | 12 | Son | — | Kentucky |
| 36 | Ethel Logans | 7 | Niece | — | Kentucky |
| 37 | Chester Whitman | 23 | Head | Tenant Farmer | Kentucky |
| 38 | Clesta Whitman | 24 | Wife | — | Kentucky |
| 39 | Shirley Whitman | 4 | Daughter | — | Kentucky |
| 40 | Raymond Whitman | 2 | Son | — | Kentucky |
Related Census Records
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)