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Mary Black — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Sangamon, Illinois
Our Model Tree links this Mary Black across the 1910, 1920, 1930 and 1940 US Censuses in Sangamon, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1878), then head of a 4-person household.
Age 52
b. ~1878
Female
Spouse
Born: Kentucky
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Sangamon, Illinois |
| Surname | Black |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Kentucky |
| Age at First Marriage | 25 |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Additional Details | |
| Occupation | Paper Hanger |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Occupation | Paper Hanger |
| Township / Ward | Chatham Village |
| Est. Birth Year | ~1878 |
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.
4 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Harry Black | Head | — | 61 | ~1869 |
| Robert Shannon | Other | — | 71 | ~1859 |
| Albert Black | Son | — | 25 | ~1905 |
| Mary Black | Spouse | — | 52 | ~1878 |
Census Appearances
1910
Sangamon, Illinois
Spouse, age 33
Sangamon, Illinois · implied b. ~1877 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Black |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Kentucky |
| Years Married | 8 |
| Children Born | 3 |
| Children Living | 3 |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1920
Sangamon, Illinois
Spouse, age 43
Sangamon, Illinois · implied b. ~1877 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Black |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1930
Sangamon, Illinois
Spouse, age 52
Sangamon, Illinois · implied b. ~1878 — 4 household members
| Surname | Black |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Kentucky |
| Age at First Marriage | 25 |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | Paper Hanger |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Sangamon-County, Illinois
Spouse, age 62
Sangamon-County, Illinois · implied b. ~1878 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Block |
| Given Name | Mary A. |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 62 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Chatham village |
| 1935 Residence (County) | Sangamon |
| Occupation | Laundry w. |
| Industry | Home Laundry |
| Class of Worker | PW |
| Income (1939) | 52 |
| Highest Grade | 3 |
| 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 Black across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Black
Spouse · 1930 · age 52 · b. ~1878 · Illinois
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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 — Sangamon, Illinois
Open full size
1930 US Federal Census — Sangamon, Illinois
Page Contents
50 people indexed on this census page (ia:1930:illinoiscensus00reel559:1051)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Louise A Huddell | 18 | Daughter | None | Illinois |
| 2 | Gertrude L Huddell | 16 | Daughter | None | Illinois |
| 3 | John J Huddell | 12 | Son | — | Illinois |
| 4 | Clarence L Aiken | 19 | Cousin | Clerk | Missouri |
| 5 | Robert T Wood | 40 | Head | None | Illinois |
| 6 | Altha G Smith | 55 | Head | Clerk | Illinois |
| 7 | Louella L Smith | 51 | Sister | Clerk | Illinois |
| 8 | Alice B Smith | 48 | Sister | Clerk | Illinois |
| 9 | John B Duke | 38 | Head | Truck Driver | Kentucky |
| 10 | Alice M Duke | 31 | Wife | None | Illinois |
| 11 | John R Jr Duke | 4 | Son | — | Illinois |
| 12 | Patrick W Mervin | 46 | Head | Mechanic | Ireland |
| 13 | Josephine Mervin | 44 | Wife | None | Illinois |
| 14 | William H Mervin | 22 | Son | Mechanic | Illinois |
| 15 | Harold A Mervin | 20 | Son | Laborer | Illinois |
| 16 | Donald J Mccrimmon | 23 | Head | Miner | Illinois |
| 17 | Theresa H Mccrimmon | 21 | Wife | Clerk | Illinois |
| 18 | Donald E Mccrimmon | 3 | Son | — | Illinois |
| 19 | Laura L Burns | 54 | Mother-in-law | None | Illinois |
| 20 | Edward E Andrews | 54 | Head | Merchant | Illinois |
| 21 | Irene Andrews | 47 | Wife | Clerk | Kentucky |
| 22 | Franklyn Helen Andrews | 16 | Step-Daughter | None | Kentucky |
| 23 | Lavergne G Andrews | 12 | Step-Son | Teacher | Kentucky |
| 24 | Mary B Dodds | 23 | Boarder | Teacher | Missouri |
| 25 | Arthur H Trimble | 52 | Head | None | Illinois |
| 26 | Lura Trimble | 53 | Wife | None | Illinois |
| 27 | Mildred Trimble | 16 | Daughter | None | Illinois |
| 28 | Harry A Black | 61 | Head | Laborer | Kentucky |
| 29 | Mary Black THIS PERSON | 52 | Wife | Paper Hanger | Kentucky |
| 30 | Albert L Black | 25 | Son | Laborer | Kentucky |
| 31 | Robert E Shannon | 71 | Half Brother | None | Kentucky |
| 32 | Milton R Cunningham | 40 | Head | Carpenter | Illinois |
| 33 | Lila Cunningham | 38 | Wife | Laborer | Illinois |
| 34 | Leona Cunningham | 19 | Daughter | None | Illinois |
| 35 | Lucy R Williams | 13 | Niece | None | Illinois |
| 36 | Morris A Merrill | 44 | Head | Laborer | Illinois |
| 37 | Jessie Merrill | 47 | Wife | None | Illinois |
| 38 | George Merrill | 23 | Son | Laborer | Illinois |
| 39 | Henry L Link | 44 | Head | Clerk | Illinois |
| 40 | Lucie M Link | 73 | Mother | None | Illinois |
| 41 | William B Hahn | 67 | Head | None | Pennsylvania |
| 42 | Anna B Hahn | 66 | Wife | None | Pennsylvania |
| 43 | Enid G Hatton | 31 | Head | Mechanic | Illinois |
| 44 | Ruth E Hatton | 29 | Wife | None | Illinois |
| 45 | Vincent E Hatton | 13 | Son | — | Illinois |
| 46 | Maxwell G Hatton | 12 | Son | — | Illinois |
| 47 | Jackie M Hatton | 7 | Son | — | Illinois |
| 48 | Homer F Bartholomew | 38 | Head | Teacher | Illinois |
| 49 | Ruth M Bartholomew | 35 | Wife | Teacher | Illinois |
| 50 | Laura M Workman | 68 | Mother-in-law | None | Illinois |
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)