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Mary Brock — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Rockcastle, Kentucky
Our Model Tree links this Mary Brock across the 1920 and 1930 US Censuses in Rockcastle, Kentucky (XGBoost, ~Confirmed) — first a spouse (b.~1879), then head of a 8-person household.
Age 51
b. ~1879
Female
Spouse
Born: Kentucky
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Rockcastle, Kentucky |
| Surname | Brock |
| Given Name | Mary H. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Kentucky |
| Age at First Marriage | 15 |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Additional Details | |
| Can Read/Write | No |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Township / Ward | Magisterial District 3 Pt Of Precinct 20 |
| Est. Birth Year | ~1879 |
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 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| James Brock | Son | — | 8 | ~1922 |
| Mary Brock | Spouse | — | 51 | ~1879 |
| Jack Brock | Other | — | 81 | ~1849 |
| Mabel Brock | Daughter | — | 14 | ~1916 |
| Gladys Brock | Daughter | — | 17 | ~1913 |
| Dewey Brock | Son | — | 19 | ~1911 |
| Ethylene Brock | Daughter | — | 11 | ~1919 |
| James Brock | Head | — | 56 | ~1874 |
Census Appearances
1920
Rockcastle, Kentucky
Spouse, age 40
Rockcastle, Kentucky · implied b. ~1880 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brock |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1930
Rockcastle, Kentucky
Spouse, age 51
Rockcastle, Kentucky · implied b. ~1879 — 8 household members
| Surname | Brock |
| Given Name | Mary H. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Kentucky |
| Age at First Marriage | 15 |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Can Read/Write | No |
| 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 Brock across 2 US Census years (1920 and 1930) in Rockcastle, Kentucky, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Brock
Spouse · 1930 · age 51 · b. ~1879 · 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 — Rockcastle, Kentucky
Open full size
1930 US Federal Census — Rockcastle, Kentucky
Page Contents
50 people indexed on this census page (ia:1930:kentuckycensus00reel773:0924)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Loyal Adams | 41 | Head | — | Kentucky |
| 52 | Gracie Adams | 33 | Wife | — | Kentucky |
| 53 | Herbert Adams | 18 | Son | — | Kentucky |
| 54 | William G. Adams | 14 | Son | Laborer | Kentucky |
| 55 | Edna G. Adams | 12 | Daughter | — | Kentucky |
| 56 | Walter Art Adams | 9 | Son | — | Kentucky |
| 57 | Mary E. Adams | 7 | Daughter | — | Kentucky |
| 58 | Rufus L. Brock | 60 | Head | Farmer | Kentucky |
| 59 | Stella L. Brock | 58 | Wife | — | Kentucky |
| 60 | Ernest Cromer | 27 | Head | Laborer | Kentucky |
| 61 | Rosie E. Cromer | 27 | Wife | — | Kentucky |
| 62 | Harold L. Cromer | 2 | Son | — | Kentucky |
| 63 | Edwin A. Cromer | 0 | Son | — | Kentucky |
| 64 | Samuel Holcomb | 37 | Head | — | Washington |
| 65 | Lizzie A. Holcomb | 26 | Wife | — | Kentucky |
| 66 | Almita Holcomb | 7 | Daughter | — | Kentucky |
| 67 | Velva Holcomb | 6 | Daughter | — | Kentucky |
| 68 | Verleda Holcomb | 4 | Daughter | — | Kentucky |
| 69 | Dallas Holcomb | 0 | Son | — | Kentucky |
| 70 | James M. Evans | 69 | Head | Laborer | Kentucky |
| 71 | Ellen R. Evans | 63 | Wife | — | Kentucky |
| 72 | Beckie E. Motley | 63 | Sister | — | Kentucky |
| 73 | Geo. V. Frank Morris | 39 | Head | Laborer | Kentucky |
| 74 | Lucile A. Morris | 35 | Wife | — | Kentucky |
| 75 | Burtisildine E. Morris | 19 | Daughter | — | Kentucky |
| 76 | Bruce W. Morris | 27 | Son Law | Laborer | Alabama |
| 77 | Fred V. Jr. Morris | 10 | Son | — | Kentucky |
| 78 | Mildred M. Morris | 6 | Daughter | — | Kentucky |
| 79 | James Brock | 56 | Head | Farmer | Kentucky |
| 80 | Mary H. Brock THIS PERSON | 51 | Wife | — | Kentucky |
| 81 | Dewey C. Brock | 19 | Son | Laborer | Kentucky |
| 82 | Gladys Brock | 17 | Daughter | — | Kentucky |
| 83 | Mabel Brock | 14 | Daughter | — | Kentucky |
| 84 | Ethylene Brock | 11 | Daughter | — | Kentucky |
| 85 | James Jr. Brock | 8 | Son | — | Kentucky |
| 86 | Jack R. Brock | 81 | Father | — | Kentucky |
| 87 | Ben J. Brock | 21 | Head | Laborer | Kentucky |
| 88 | Ora L. Brock | 19 | Wife | — | Kentucky |
| 89 | David Brock | 49 | Head | Farmer | Kentucky |
| 90 | Martha B. Brock | 45 | Wife | — | Kentucky |
| 91 | Alfred Brock | 29 | Son | Laborer | Kentucky |
| 92 | William Brock | 27 | Son | Laborer | Kentucky |
| 93 | Eugene Brock | 23 | Son | Laborer | Kentucky |
| 94 | Oley Brock | 14 | Son | Laborer | Kentucky |
| 95 | Birdie Brock | 14 | Daughter | — | Kentucky |
| 96 | Ivey V. Brock | 12 | Son | — | Kentucky |
| 97 | Deloris Brock | 10 | Daughter | — | Kentucky |
| 98 | Everett Brock | 9 | Son | — | Kentucky |
| 99 | Charlie Brock | 6 | Son | — | Kentucky |
| 100 | Coit Brock | 19 | Nephew | Laborer | Kentucky |
Related Census Records
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)