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Mary Humphrey — 1930 US Census Record
Model Tree available1930 United States Federal Census · Jefferson, Kentucky
Our Model Tree links this Mary Humphrey across the 1920, 1930 and 1940 US Censuses in Jefferson, Kentucky (XGBoost, ~Confirmed), with identified parents John & John — first a daughter (b.~1918), then head of a 9-person household.
Age 12
b. ~1918
Female
Daughter
Born: Kentucky
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Jefferson, Kentucky |
| Surname | Humphrey |
| Given Name | Mary F. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Township / Ward | Louisville City |
| Est. Birth Year | ~1918 |
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 Humphrey | Other | — | 42 | ~1888 |
| Edward Humphrey | Son | — | 17 | ~1913 |
| John Humphrey | Son | — | 22 | ~1908 |
| Nora Humphrey | Daughter | — | 20 | ~1910 |
| William Humphrey | Other | — | 51 | ~1879 |
| Mary Humphrey | Daughter | — | 12 | ~1918 |
| Roy Humphrey | Son | — | 21 | ~1909 |
| Lillian Humphrey | Daughter | — | 15 | ~1915 |
| John Humphrey | Head | — | 45 | ~1885 |
Census Appearances
1920
Jefferson, Kentucky
Daughter, age 1
Jefferson, Kentucky · implied b. ~1919 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Humphrey |
| Given Name | Mary Louise |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1930
Jefferson, Kentucky
Daughter, age 12
Jefferson, Kentucky · implied b. ~1918 — 9 household members
| Surname | Humphrey |
| Given Name | Mary F. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Jefferson-County, Kentucky
Other, age 23
Jefferson-County, Kentucky · implied b. ~1917 — 38 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Humphry |
| Given Name | Mary |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Louisville City |
| 1935 Residence (County) | Jefferson |
| Occupation | Student Nurse |
| Highest Grade | H-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 Humphrey across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Humphrey (~0.92 confidence) and father John Humphrey (~0.92 confidence) and mother Mary Humphrey (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Humphrey
b. ~1885
Source father
● Household
· direct · ~0.92
Father
John Humphrey
b. ~1885
Source father
● Household
· direct · ~0.92
Mother
Mary Humphrey
b. ~1889
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Humphrey
Daughter · 1930 · age 12 · b. ~1918 · Kentucky
★ You are viewing this record
Sibling
John Humphrey
Sibling · 1930 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Roy Humphrey
Sibling · 1930 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nora Humphrey
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Humphrey
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lillian Humphrey
Sibling · 1930 · age 15
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 — Jefferson, Kentucky
Open full size
1930 US Federal Census — Jefferson, Kentucky
Page Contents
50 people indexed on this census page (ia:1930:kentuckycensus00reel753:0423)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Will H Young | 47 | Head | Laborer | Kentucky |
| 2 | Birdie L Young | 39 | Wife-H | None | Kentucky |
| 3 | Albert Young | 19 | Son | Laborer | Kentucky |
| 4 | Edward Jr. Kaelin | 34 | Head | Switchman | Kentucky |
| 5 | Estelle B. Kaelin | 34 | Wife-H | Stenographer | Kentucky |
| 6 | Christine R. Kaelin | 14 | daughter | None | Kentucky |
| 7 | Edward G. Kaelin | 12 | son | None | Kentucky |
| 8 | Kenneth C. Kaelin | 9 | son | None | Kentucky |
| 9 | Woodrow G. Kaelin | 7 | son | None | Kentucky |
| 10 | Patricia A. Kaelin | 4 | daughter | None | Kentucky |
| 11 | Thomas L. Kaelin | 1 | son | None | Kentucky |
| 12 | James Childers | 43 | Head | Carpenter | Virginia |
| 13 | Lorene M. Childers | 42 | Wife-H | None | Kentucky |
| 14 | Catherine L. Childers | 19 | daughter | Saleslady | Kentucky |
| 15 | Edward W. Zimmerman | 61 | Head | — | Kentucky |
| 16 | Mary L. Zimmerman | 49 | Wife-H | Stamper | Kentucky |
| 17 | Harriet M. Zimmerman | 28 | daughter | Coffee Packer | Kentucky |
| 18 | Clifford M. Gullion | 26 | Head | Moulder | Kentucky |
| 19 | Anna M. Gullion | 28 | Wife-H | Seamstress | Kentucky |
| 20 | Norbert R. Gullion | 3 | son | None | Kentucky |
| 21 | Theodore J. Buechter | 77 | Head | None | Kentucky |
| 22 | Mary A. Buechter | 52 | daughter | None | Kentucky |
| 23 | Alice C. Buechter | 46 | daughter | None | Kentucky |
| 24 | Edward H. Lotz | 46 | Head | Carpenter | Kentucky |
| 25 | Mary Lotz | 45 | Wife-H | None | Kentucky |
| 26 | William C. Lotz | 23 | son | Apprentice | Kentucky |
| 27 | Edward J. Lotz | 20 | son | Apprentice | Kentucky |
| 28 | Arbutus D. Lotz | 17 | daughter | None | Kentucky |
| 29 | John D. Lotz | 14 | son | Laborer | Kentucky |
| 30 | La Verne L. Lotz | 11 | daughter | None | Kentucky |
| 31 | Robert W. Lotz | 9 | son | None | Kentucky |
| 32 | Melvin R. Lotz | 5 | son | None | Kentucky |
| 33 | Loyd R. Lotz | 2 | son | None | Kentucky |
| 34 | William A. Sweeney | 35 | Head | Machinist | Kentucky |
| 35 | Lillian Sweeney | 34 | Wife-H | None | Kentucky |
| 36 | Lillian A. Sweeney | 11 | daughter | None | Kentucky |
| 37 | Evelyne L. Sweeney | 8 | daughter | None | Kentucky |
| 38 | William A. Sweeney | 5 | son | None | Kentucky |
| 39 | Melvin Black | 54 | Head | None | Kentucky |
| 40 | James E. Smith | 30 | son | Auto Mechanic | Kentucky |
| 41 | Hazel Wythe L. Smith | 24 | daughter | Saleslady | Kentucky |
| 42 | John R. Humphrey | 45 | Head | Fireman | Kentucky |
| 43 | Mary E. Humphrey | 42 | Wife-H | None | Kentucky |
| 44 | John R. Humphrey | 22 | son | Asst Supt. | Kentucky |
| 45 | Roy L. Humphrey | 21 | son | Meat Cutter | Kentucky |
| 46 | Edward R. Humphrey | 17 | son | None | Kentucky |
| 47 | Lillian Humphrey | 15 | daughter | None | Kentucky |
| 48 | Mary F. Humphrey THIS PERSON | 12 | daughter | None | Kentucky |
| 49 | Nora L. Humphrey | 20 | daughter | Tel. Operator | Kentucky |
| 50 | William L. Humphrey | 51 | Brother | Fireman | Kentucky |
Pedigree Summary
Mary + 5 siblings
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
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)