MH
Mary Hagan — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Jefferson, Kentucky
Our Model Tree links this Mary Hagan across the 1930 and 1940 US Censuses in Jefferson, Kentucky (XGBoost, ~Confirmed) — first a daughter (b.~1903), then head of a 10-person household.
Age 27
b. ~1903
Female
Daughter
Born: Kentucky
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Jefferson, Kentucky |
| Surname | Hagan |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Kentucky |
| Age at First Marriage | 12 |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Township / Ward | Louisville City |
| Est. Birth Year | ~1903 |
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 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Thelma Christen | Daughter | — | 21 | ~1909 |
| Frank Christen | Son | — | 28 | ~1902 |
| Peter Christen | Head | — | 57 | ~1873 |
| Robert Christen | Son | — | 17 | ~1913 |
| Mary Hagan | Daughter | — | 27 | ~1903 |
| Leo Christen | Son | — | 20 | ~1910 |
| Mary Christen | Spouse | — | 57 | ~1873 |
| Mildred Christen | Daughter | — | 5 | ~1925 |
| Theodore Hagan | Other | — | 34 | ~1896 |
| Dallas Christen | Son | — | 10 | ~1920 |
Census Appearances
1930
Jefferson, Kentucky
Daughter, age 27
Jefferson, Kentucky · implied b. ~1903 — 10 household members
| Surname | Hagan |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Kentucky |
| Age at First Marriage | 12 |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Can Read/Write | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Jefferson-County, Kentucky
Spouse, age 37
Jefferson-County, Kentucky · implied b. ~1903 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hogan |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | LOUISVILLE CITY |
| 1935 Residence (County) | JEFFERSON |
| Highest Grade | C 5 |
| 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 Hagan across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Hagan
Daughter · 1930 · age 27 · b. ~1903 · Kentucky
★ You are viewing this record
Sibling
Thelma Christen
Sibling · 1930 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dallas Christen
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Christen
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mildred Christen
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leo Christen
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frank Christen
Sibling · 1930 · age 28
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:kentuckycensus00reel755:0103)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Peter Christen | 57 | Head | Tailor | Kentucky |
| 52 | Mary Christen | 57 | Wife | — | Kentucky |
| 53 | Frank Christen | 28 | Son | Salesman | Kentucky |
| 54 | Thelma Christen | 21 | Daughter | Bookkeeper | Kentucky |
| 55 | Leo Christen | 20 | Son | Stock Clerk | Kentucky |
| 56 | Robert Christen | 17 | Son | Bookkeeper | Kentucky |
| 57 | Dallas Christen | 10 | Son | — | Kentucky |
| 58 | Mildred Christen | 5 | Daughter | — | Kentucky |
| 59 | Theodore Hagan | 34 | Son-in-law | Actor | Kentucky |
| 60 | Mary Hagan THIS PERSON | 27 | Daughter | — | Kentucky |
| 61 | George Rae | 22 | Head | Elevator | Kentucky |
| 62 | Beatrice Rae | 17 | Wife | — | Kentucky |
| 63 | Edgar Coats | 40 | Head | — | Tennessee |
| 64 | Minnie Coats | 56 | Mother | — | Kentucky |
| 65 | William Coats | 23 | Brother | Porter | Kentucky |
| 66 | George Coats | 25 | Brother | Helper | Kentucky |
| 67 | James Coats | 26 | Brother | Laborer | Kentucky |
| 68 | Margaret Coats | 8 | Niece | — | Kentucky |
| 69 | Thomas Gargis | 36 | Head | — | Kentucky |
| 70 | Marion Gargis | 23 | Wife | — | Kentucky |
| 71 | Addie Gargis | 5 | Daughter | — | Kentucky |
| 72 | George Gargis | 4 | Son | — | Kentucky |
| 73 | Julia Warren | 52 | Head | Laundress | Kentucky |
| 74 | Theodore Warren | 13 | Son | — | Kentucky |
| 75 | Bessie Warren | 15 | Daughter | — | Kentucky |
| 76 | Colton Warren | 13 | Son | — | Kentucky |
| 77 | David Warren | 17 | Son | Helper | Kentucky |
| 78 | Henry Bradley | 27 | Lodger | Laborer | Kentucky |
| 79 | Georgia Bradley | 26 | Lodger | — | Kentucky |
| 80 | Samuel Starkson | 54 | Head | — | Indiana |
| 81 | Maudie Starkson | 56 | Wife | Saleslady | Kentucky |
| 82 | Edward Starkson | 25 | Son | Clerk | Kentucky |
| 83 | Hattie Starkson | 18 | Daughter | — | Kentucky |
| 84 | Jane Burnett | 81 | Head | — | Kentucky |
| 85 | Mary Enfield | 71 | Sister | — | Kentucky |
| 86 | Louis Gundelfinger | 45 | Head | Proprietor | Lithuania |
| 87 | Mary Gundelfinger | 45 | Wife | — | Lithuania |
| 88 | Stanley Gundelfinger | 23 | Son | Salesman | Kentucky |
| 89 | Rose Gundelfinger | 22 | Daughter | Saleslady | Kentucky |
| 90 | Joseph Gundelfinger | 17 | Son | — | Kentucky |
| 91 | Will Snyder | 41 | Head | Mechanic | Kentucky |
| 92 | Lillian Snyder | 38 | Wife | — | Kentucky |
| 93 | Theodore Snyder | 18 | Son | — | Kentucky |
| 94 | Willie Warren | 38 | Head | Laborer | Kentucky |
| 95 | Lillie Warren | 37 | Wife | — | Kentucky |
| 96 | Sophia Warren | 18 | Daughter | Saleslady | Kentucky |
| 97 | Willie Warren | 12 | Son | — | Kentucky |
| 98 | Andrew Warren | 10 | Son | — | Kentucky |
| 99 | Harry Rouse | 60 | Head | Tailor | Kentucky |
| 100 | Kate Rouse | 51 | Wife | — | Kentucky |
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)