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Joan Smith — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Madison, Indiana
Our Model Tree links this Joan Smith across the 1930 and 1940 US Censuses in Madison, Indiana (XGBoost, ~Confirmed) — first a daughter (b.~1920), then head of a 8-person household.
Age 10
b. ~1920
Female
Daughter
Born: Indiana
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Madison, Indiana |
| Surname | Smith |
| Given Name | Joan |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Township / Ward | Fall Creek Township |
| Est. Birth Year | ~1920 |
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 Joan | Age | Birth yr |
|---|---|---|---|---|
| Joan Smith | Daughter | — | 10 | ~1920 |
| Isaac Smith | Son | — | 7 | ~1923 |
| Jeannette Smith | Daughter | — | 12 | ~1918 |
| Robert Smith | Son | — | 2 | ~1928 |
| Lewis Smith | Head | — | 46 | ~1884 |
| Jane Smith | Daughter | — | 13 | ~1917 |
| Herman Smith | Son | — | 15 | ~1915 |
| Nellie Smith | Spouse | — | 34 | ~1896 |
Census Appearances
1930
Madison, Indiana
Daughter, age 10
Madison, Indiana · implied b. ~1920 — 8 household members
| Surname | Smith |
| Given Name | Joan |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Madison-County, Indiana
Spouse, age 21
Madison-County, Indiana · implied b. ~1919 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Jean |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Lafayette |
| 1935 Residence (County) | Tippecanoe Co |
| Industry | NP |
| Class of Worker | 0 |
| Highest Grade | C-2 |
| 1935 Residence | Indiana |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 Joan Smith across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Joan Smith
Daughter · 1930 · age 10 · b. ~1920 · Indiana
★ You are viewing this record
Sibling
Jeannette Smith
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jane Smith
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Isaac Smith
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Herman Smith
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Smith
Sibling · 1930 · age 2
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 — Madison, Indiana
Open full size
1930 US Federal Census — Madison, Indiana
Page Contents
50 people indexed on this census page (ia:1930:indianacensus00reel605:0696)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Gilla Lee Fearnight | 11 | Gr Son | — | Indiana |
| 52 | Mildred Ann Fearnight | 7 | Gr Daught | — | Indiana |
| 53 | Mabel Bubler | 55 | Head | Farmer | Germany |
| 54 | Bertha Briles | 52 | Sister | Housekeeper | Indiana |
| 55 | Clarence Briles | 22 | Niece | — | Indiana |
| 56 | Mary Briles | 21 | Niece | — | Indiana |
| 57 | Thomas Brooks | 53 | Lodger | Laborer | Indiana |
| 58 | Glen Ellaburg | 34 | Head | Farmer | Indiana |
| 59 | Lyla Ellaburg | 25 | Wife | — | Indiana |
| 60 | Robert G. Ellaburg | 2 | Son | — | Indiana |
| 61 | Howard Kennedy | 42 | Head | Farmer | Indiana |
| 62 | Zella Kennedy | 40 | Wife | — | Indiana |
| 63 | Edith Kennedy | 20 | Daught | Mechanic | Indiana |
| 64 | Cassie Kennedy | 69 | Sister | — | Indiana |
| 65 | Jerry M. Ems | 54 | Head | Farmer | Kentucky |
| 66 | Hulda O. Ems | 46 | Wife | — | Kentucky |
| 67 | Florence Ems | 8 | Son | — | Kentucky |
| 68 | Lewis Smith | 46 | Head | Salesman | Indiana |
| 69 | Nellie Smith | 34 | Wife | — | Indiana |
| 70 | Herman Smith | 15 | Son | — | Indiana |
| 71 | Jane Smith | 13 | Daughter | — | Indiana |
| 72 | Jeannette Smith | 12 | Daughter | — | Indiana |
| 73 | Joan Smith THIS PERSON | 10 | Daughter | — | Indiana |
| 74 | Isaac Smith | 7 | Son | — | Indiana |
| 75 | Robert C. Smith | 2 | Son | — | Indiana |
| 76 | George L. Hobbs | 36 | Head | Farmer | Indiana |
| 77 | Hazel M. Hobbs | 36 | Wife | — | Indiana |
| 78 | Rachel N. Hobbs | 15 | Daught | — | Indiana |
| 79 | Delton S. Hobbs | 12 | Son | — | Indiana |
| 80 | Edna M. Hobbs | 8 | Daught | — | Indiana |
| 81 | Richard J. Knight | 42 | Head | Farmer | Pennsylvania |
| 82 | Sara V. Knight | 30 | Wife | — | Indiana |
| 83 | James Ralston | 41 | Head | Mechanic | Illinois |
| 84 | Valentine Ralston | 36 | Wife | — | Indiana |
| 85 | Winifred Ralston | 4 | Daught | — | Indiana |
| 86 | Ralph Ralston | 2 | Son | — | Indiana |
| 87 | Minnie Ralston | 1 | Daught | — | Indiana |
| 88 | Mary C. Ginger | 65 | Head | — | Indiana |
| 89 | William H. Millman | 38 | Son | Clerk | Indiana |
| 90 | Barbara L. Millman | 28 | Daught in law | — | Indiana |
| 91 | Lawrence H. Millman | 2 | Gr Daught | — | Indiana |
| 92 | Elmer Edna Rumler | 52 | Head | — | Indiana |
| 93 | Ethel M. Rumler | 27 | Daught | Inspector | Indiana |
| 94 | Frank W. Rumler | 25 | Son | Mechanic | Indiana |
| 95 | Albert D. Rumler | 12 | Son | — | Indiana |
| 96 | Charles Shafer | 51 | Head | Mechanic | Indiana |
| 97 | Lena M. Shafer | 44 | Wife | — | Indiana |
| 98 | George E. Shafer | 15 | Son | — | Indiana |
| 99 | James E. Shafer | 9 | Son | — | Indiana |
| 100 | John E. Kraniger | 50 | Head | — | Indiana |
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)