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Mary Blackburn — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Dekalb, Georgia
Our Model Tree links this Mary Blackburn across the 1920 and 1930 US Censuses in Dekalb, Georgia (XGBoost, ~Confirmed) — first a daughter (b.~1919), then head of a 8-person household.
Age 11
b. ~1919
Female
Daughter
Born: Georgia
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Dekalb, Georgia |
| Surname | Blackburn |
| Given Name | Mary L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Georgia |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Georgia |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
| Township / Ward | Shallowford District |
| Est. Birth Year | ~1919 |
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 |
|---|---|---|---|---|
| Travis Blackburn | Daughter | — | 13 | ~1917 |
| William Blackburn | Head | — | 48 | ~1882 |
| Mildred Blackburn | Daughter | — | 4 | ~1926 |
| Mary Blackburn | Daughter | — | 11 | ~1919 |
| Cyrill Blackburn | Son | — | 21 | ~1909 |
| Katherine Blackburn | Daughter | — | 9 | ~1921 |
| Emily Copeland | Other | — | 73 | ~1857 |
| Mary Blackburn | Spouse | — | 43 | ~1887 |
Census Appearances
1920
Dekalb, Georgia
Daughter, age 1
Dekalb, Georgia · implied b. ~1919
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Blackburn |
| Given Name | Mary E |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Georgia |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Georgia |
| Can Read | No |
| Can Write | No |
| Speaks English | No |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
1930
Dekalb, Georgia
Daughter, age 11
Dekalb, Georgia · implied b. ~1919 — 8 household members
| Surname | Blackburn |
| Given Name | Mary L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Georgia |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Georgia |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
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 Blackburn across 2 US Census years (1920 and 1930) in Dekalb, Georgia, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Blackburn
Daughter · 1930 · age 11 · b. ~1919 · Georgia
★ You are viewing this record
Sibling
Cyrill Blackburn
Sibling · 1930 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Travis Blackburn
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mildred Blackburn
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Katherine Blackburn
Sibling · 1930 · age 9
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 — Dekalb, Georgia
Open full size
1930 US Federal Census — Dekalb, Georgia
Page Contents
50 people indexed on this census page (ia:1930:georgiacensus00reel350:1078)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Raymond Manning | 39 | Head | None | Georgia |
| 2 | Bertha Manning | 19 | Daughter | None | Georgia |
| 3 | Virgil G. Manning | 17 | Son | Farm Laborer | Georgia |
| 4 | Ruby L. Manning | 14 | Daughter | None | Georgia |
| 5 | Martha Samples | 17 | Step-daughter | None | Georgia |
| 6 | Gertie L. Samples | 15 | Step-daughter | None | Georgia |
| 7 | Celia S. Samples | 14 | Step-daughter | None | Georgia |
| 8 | Josie C. Samples | 13 | Step-daughter | None | Georgia |
| 9 | Riley J. Samples | 11 | Step-daughter | None | Georgia |
| 10 | Gladys Samples | 8 | Step-daughter | None | Georgia |
| 11 | James Samuel Hester | 29 | Head | Farmer | Georgia |
| 12 | Maude B. Hester | 30 | Wife | None | Georgia |
| 13 | Mildred A. Hester | 3 | Daughter | None | Georgia |
| 14 | Jessie L. Hester | 1 | Daughter | None | Georgia |
| 15 | Loughlin A. Jarrell | 64 | Head | Farmer | Georgia |
| 16 | Lena R. Jarrell | 53 | Wife | None | Georgia |
| 17 | Blanche Jarrell | 20 | Daughter | None | Georgia |
| 18 | Aris L. Jarrell | 16 | Daughter | None | Georgia |
| 19 | Roland P. Jarrell | 18 | Son | Farm Laborer | Georgia |
| 20 | Lois N. Jarrell | 12 | Son | None | Georgia |
| 21 | John J. Oglesby | 73 | Head | Farmer | Georgia |
| 22 | Lizzie Oglesby | 69 | Wife | None | Georgia |
| 23 | John T. Oglesby | 21 | Son | Farmer | Georgia |
| 24 | Newton D. Miller | 57 | Head | Farmer | Georgia |
| 25 | Mary C. Miller | 49 | Wife | None | Georgia |
| 26 | Sandy C. Garrison | 17 | Brother-in-law | Farm Laborer | South Carolina |
| 27 | Palmer Mundell | 12 | Boarder | None | Georgia |
| 28 | James T. Mcafee | 18 | Boarder | Farm Laborer | Georgia |
| 29 | Charlie Mcafee | 20 | Boarder | Farmer | Georgia |
| 30 | William E. Blackburn | 48 | Head | Farmer | Georgia |
| 31 | Mary E. Blackburn | 43 | Wife | None | Georgia |
| 32 | Cyrill H. Blackburn | 21 | Son | Farm Laborer | Georgia |
| 33 | Travis L. Blackburn | 13 | Daughter | None | Georgia |
| 34 | Mary L. Blackburn THIS PERSON | 11 | Daughter | None | Georgia |
| 35 | Katherine C. Blackburn | 9 | Daughter | None | Georgia |
| 36 | Mildred L. Blackburn | 4 | Daughter | None | Georgia |
| 37 | Emily Copeland | 73 | Mother-in-law | None | Georgia |
| 38 | Elmer Washington | 21 | Head | Farmer | Georgia |
| 39 | Anna B. Washington | 23 | Wife | None | Georgia |
| 40 | Lella M. Washington | 5 | Daughter | None | Georgia |
| 41 | Lineda Washington | 2 | Daughter | None | Georgia |
| 42 | Leonard Washington | 0 | Son | None | Georgia |
| 43 | William C. Morgan | 44 | Head | Farmer | Georgia |
| 44 | Ida L. Morgan | 42 | Wife | None | Georgia |
| 45 | Myra D. Thomason | 25 | Head | Farmer | Georgia |
| 46 | Willie M. Thomason | 18 | Wife | None | Georgia |
| 47 | Prior H. Womack | 47 | Head | Farmer | Georgia |
| 48 | Elizabeth Womack | 30 | Wife | None | Georgia |
| 49 | James E. Womack | 13 | Son | None | Georgia |
| 50 | Doris J. Womack | 7 | Daughter | None | Georgia |
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)