MC
Mary Crosby — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Jefferson, Kentucky
Our Model Tree links this Mary Crosby across the 1920, 1930 and 1940 US Censuses in Jefferson, Kentucky (XGBoost, ~Confirmed) — first a head (b.~1872), then head of a 2-person household.
Age 58
b. ~1872
Female
Head
Born: Kentucky
Widowed
1930 Census Record Details
| Census Year | 1930 |
| Location | Jefferson, Kentucky |
| Surname | Crosby |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | Black |
| Age | 58 |
| Marital Status | Widowed |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Additional Details | |
| Occupation | Stemmer |
| Industry | Tobacco Factory |
| Class of Worker | W |
| Can Read/Write | No |
| Home Owned/Rented | R |
| Home Value / Rent | 4 |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Occupation | Stemmer |
| Township / Ward | Louisville City |
| Est. Birth Year | ~1872 |
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.
2 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Crosby | Head | — | 58 | ~1872 |
| Robert Crosby | Son | — | 19 | ~1911 |
Census Appearances
1920
Jefferson, Kentucky
Head, age 44
Jefferson, Kentucky · implied b. ~1876
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Crosby |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | Black |
| Age | 44 |
| Marital Status | Widowed |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | Stemmer |
| Industry | Tobacco Wks |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1930
Jefferson, Kentucky
Head, age 58
Jefferson, Kentucky · implied b. ~1872 — 2 household members
| Surname | Crosby |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | Black |
| Age | 58 |
| Marital Status | Widowed |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | Stemmer |
| Industry | Tobacco Factory |
| Class of Worker | W |
| Can Read/Write | No |
| Home Owned/Rented | R |
| Home Value / Rent | 4 |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Jefferson-County, Kentucky
Spouse, age 66
Jefferson-County, Kentucky · implied b. ~1874 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Crosby |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 66 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Louisville City |
| 1935 Residence (County) | Jefferson |
| 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 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Crosby
Head · 1930 · age 58 · b. ~1872 · Kentucky
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Jefferson, Kentucky
Open full size
1930 US Federal Census — Jefferson, Kentucky
Page Contents
50 people indexed on this census page (ia:1930:kentuckycensus00reel755:0575)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Frederick Douglas | 34 | Head | Porter | Kentucky |
| 52 | Willa Douglas | 31 | Wife | — | Kentucky |
| 53 | Virginia Riley | 34 | Head | — | Kentucky |
| 54 | Joseph Grayson | 27 | Roomer | Laborer | Kentucky |
| 55 | Oscar Bright | 42 | Head | Laborer | Tennessee |
| 56 | Simpson Bright | 26 | Son | Laborer | Kentucky |
| 57 | Simmie Foster | 40 | Head | Cook | Kentucky |
| 58 | Elizabeth Young | 67 | Mother | Laundress | Kentucky |
| 59 | Thomas Woods | 47 | Head | Furniture | Kentucky |
| 60 | Ida Woods | 47 | Wife | Laborer | Kentucky |
| 61 | William Gibson | 55 | Head | — | Kentucky |
| 62 | Mamie Ireland | 50 | Head | Waitress | Kentucky |
| 63 | William Williams | 27 | Roomer | — | Kentucky |
| 64 | James Phillips | 41 | Roomer | Laborer | Kentucky |
| 65 | John Weathers | 53 | Roomer | Teamster | Kentucky |
| 66 | Herbert Wimbley | 20 | Roomer | Laborer | Tennessee |
| 67 | Albert Hensley | 58 | Head | Laborer | Kentucky |
| 68 | Hannah Hensley | 59 | Wife | Cook | Kentucky |
| 69 | Irene Hensley | 17 | Daughter | Stenog | Kentucky |
| 70 | Katherine Hensley | 15 | Daughter | — | Kentucky |
| 71 | Hattie Petway | 39 | Head | — | Alabama |
| 72 | Alex Lena Petway | 17 | Daughter | Maid | Alabama |
| 73 | Alice Petway | 14 | Daughter | Maid | Alabama |
| 74 | Hattie Petway | 6 | Daughter | — | Alabama |
| 75 | Alberta Petway | 5 | Daughter | — | Alabama |
| 76 | Rachel Hicks | 48 | Head | Laundress | Tennessee |
| 77 | Cornelia Beasman | 25 | Daughter | Maid | Tennessee |
| 78 | Beasman Beasman | 21 | Grandson | Waiter | Tennessee |
| 79 | Buford Beasman | 20 | Grandson | Porter | Tennessee |
| 80 | Zora Baker | 34 | Roomer | Presser | Tennessee |
| 81 | Lawrence Pickett | 53 | Head | Laborer | Kentucky |
| 82 | Julia Ward | 45 | Head | Laundress | Tennessee |
| 83 | Julia Ward | 17 | Daughter | Maid | Tennessee |
| 84 | Walter Ward | 14 | Son | — | Tennessee |
| 85 | Annie Ward | 36 | Head | — | Tennessee |
| 86 | William French | 59 | Head | Collector | Kentucky |
| 87 | Henry Jones | 55 | Head | Laborer | Kentucky |
| 88 | Herman Johnson | 49 | Head | — | Kentucky |
| 89 | Wallie Smith | 10 | Step-son | — | Kentucky |
| 90 | Thee Johnson | 47 | Brother | — | Kentucky |
| 91 | Mary Crosby THIS PERSON | 58 | Head | Stemmer | Kentucky |
| 92 | Robert Crosby | 19 | Son | Stemmer | Kentucky |
| 93 | Richard Russell | 65 | Head | Cook | Kentucky |
| 94 | James Saunders | 65 | Head | Laborer | Kentucky |
| 95 | Charles Matthews | 60 | Head | Laborer | Kentucky |
| 96 | Mary Matthews | 47 | Wife | Janitor | Kentucky |
| 97 | Frances Petty | 62 | Head | — | Virginia |
| 98 | Lizzie Petty | 27 | Daughter | Laundress | Alabama |
| 99 | Frank Williams | 39 | Head | Laundress | Alabama |
| 100 | John W. Weston | 46 | Head | Laborer | Alabama |
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)