MJ
Mary Jefferson — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Cuyahoga, Ohio
Our Model Tree links this Mary Jefferson across the 1930 and 1940 US Censuses in Cuyahoga, Ohio (XGBoost, ~Confirmed) — first a daughter (b.~1928), then head of a 9-person household.
Age 2
b. ~1928
Female
Daughter
Born: Ohio
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Cuyahoga, Ohio |
| Surname | Jefferson |
| Given Name | Mary L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Georgia |
| Additional Details | |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Cleveland City |
| Est. Birth Year | ~1928 |
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 |
|---|---|---|---|---|
| Herman Jefferson | Son | — | 6 | ~1924 |
| Moses Jefferson | Son | — | 8 | ~1922 |
| Moses Jefferson | Head | — | 36 | ~1894 |
| Delores Jefferson | Daughter | — | ~1930 | |
| Mary Jefferson | Daughter | — | 2 | ~1928 |
| Eliza Jefferson | Other | — | 32 | ~1898 |
| James Jefferson | Son | — | 10 | ~1920 |
| Ernestine Jefferson | Daughter | — | 3 | ~1927 |
| Lucille Jefferson | Daughter | — | 7 | ~1923 |
Census Appearances
1930
Cuyahoga, Ohio
Daughter, age 2
Cuyahoga, Ohio · implied b. ~1928 — 9 household members
| Surname | Jefferson |
| Given Name | Mary L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Georgia |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Cuyahoga-County, Ohio
Daughter, age 12
Cuyahoga-County, Ohio · implied b. ~1928 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jefferson |
| Given Name | Maybella |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Summerville |
| 1935 Residence (County) | Summerville |
| Highest Grade | No 5 |
| 1935 Residence | Tenn |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 Jefferson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Jefferson
Daughter · 1930 · age 2 · b. ~1928 · Ohio
★ You are viewing this record
Sibling
Ernestine Jefferson
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Moses Jefferson
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lucille Jefferson
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Delores Jefferson
Sibling · 1930 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Jefferson
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Herman Jefferson
Sibling · 1930 · age 6
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 — Cuyahoga, Ohio
Open full size
1930 US Federal Census — Cuyahoga, Ohio
Page Contents
50 people indexed on this census page (ia:1930:ohiocensus00reel1769:0530)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Jessie Logan | 28 | Head | — | Louisiana |
| 2 | Julia E. Logan | 28 | Wife-H | — | Georgia |
| 3 | Helen Summers | 32 | Lodger | — | Alabama |
| 4 | Lucinda Brown | 27 | Lodger | Laundress | Alabama |
| 5 | Edgar Bailey | 33 | Head | Servant | Georgia |
| 6 | Mary Bailey | 27 | Wife-H | Laborer | Georgia |
| 7 | John H. Bailey | 8 | Son | — | Georgia |
| 8 | Edgar Jr. Bailey | 6 | Son | — | Georgia |
| 9 | Alice Bailey | 4 | Daughter | — | Ohio |
| 10 | Edward Bailey | 2 | Son | — | Ohio |
| 11 | James Fowler | 33 | Head | Truck Driver | Tennessee |
| 12 | Annabelle Fowler | 30 | Wife-H | — | Tennessee |
| 13 | James Jr. Fowler | 12 | Son | — | Tennessee |
| 14 | Jessie Fowler | 11 | Son | — | Tennessee |
| 15 | Howard Fowler | 9 | Son | — | Tennessee |
| 16 | Harold Fowler | 8 | Son | — | Tennessee |
| 17 | Carol Fowler | 6 | Son | — | Tennessee |
| 18 | Alfred Fowler | 4 | Son | — | Tennessee |
| 19 | Charles Fowler | 3 | Son | — | Tennessee |
| 20 | Carolee Fowler | 2 | Daughter | — | Tennessee |
| 21 | George Hart | 34 | Head | Laborer | Georgia |
| 22 | Savannah Hart | 33 | Wife-H | — | Georgia |
| 23 | Mary Hart | 12 | Daughter | — | Georgia |
| 24 | George Jr. Hart | 10 | Son | — | Georgia |
| 25 | Cleo Hart | 8 | Son | — | Georgia |
| 26 | Rosalie Hart | 5 | Daughter | — | Ohio |
| 27 | Mulin Sliakoffsky | 35 | Head | — | Russia |
| 28 | Ida Sliakoffsky | 32 | Wife-H | Helper | Russia |
| 29 | Max Sliakoffsky | 30 | Son | — | Russia |
| 30 | Rose Sliakoffsky | 25 | Daughter | Truck Driver | Ohio |
| 31 | Sarah Sliakoffsky | 19 | Daughter | Bookkeeper | Ohio |
| 32 | Albert Sliakoffsky | 6 | Son | — | Ohio |
| 33 | Moses Jefferson | 36 | Head | Laborer | Georgia |
| 34 | Eliza Jefferson | 32 | Wife-H | — | Georgia |
| 35 | James Jefferson | 10 | Son | — | Ohio |
| 36 | Moses Jr. Jefferson | 8 | Son | — | Ohio |
| 37 | Lucille Jefferson | 7 | Daughter | — | Ohio |
| 38 | Herman Jefferson | 6 | Son | — | Ohio |
| 39 | Ernestine Jefferson | 3 | Daughter | — | Ohio |
| 40 | Mary L. Jefferson THIS PERSON | 2 | Daughter | — | Ohio |
| 41 | Delores Jefferson | 0 | Daughter | — | Ohio |
| 42 | Joseph M. Turbin | 60 | Head | Foreman | Austria |
| 43 | Kelly Cooper | 20 | Head | Decorator | Oklahoma |
| 44 | Eloise Cooper | 17 | Wife-H | — | Alabama |
| 45 | Lillian Cooper | 0 | Daughter | — | Ohio |
| 46 | Sidney Cooper | 45 | Father | Decorator | Oklahoma |
| 47 | Ida Cooper | 40 | Mother | — | Oklahoma |
| 48 | James Zimmerman | 40 | Head | Laborer | Czechoslovakia |
| 49 | Rose Zimmerman | 33 | Wife-H | — | Ohio |
| 50 | Willie Hawthorne | 23 | Head | Laborer | Virginia |
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)