BS
Bettie Smith — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Delaware, Iowa
Our Model Tree links this Bettie Smith across the 1930 and 1940 US Censuses in Delaware, Iowa (XGBoost, ~Confirmed) — first a daughter (b.~1926), then head of a 9-person household.
Age 4
b. ~1926
Female
Daughter
Born: Iowa
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Delaware, Iowa |
| Surname | Smith |
| Given Name | Bettie N |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Additional Details | |
| Can Read/Write | No |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Coffins Grove |
| Est. Birth Year | ~1926 |
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 Bettie | Age | Birth yr |
|---|---|---|---|---|
| Silas Smith | Head | — | 37 | ~1893 |
| Doran Smith | Son | — | 15 | ~1915 |
| May Smith | Daughter | — | 8 | ~1922 |
| Annabelle Smith | Daughter | — | 10 | ~1920 |
| Bonnie Smith | Daughter | — | 6 | ~1924 |
| Donald Smith | Son | — | 12 | ~1918 |
| Arta Smith | Son | — | 16 | ~1914 |
| Sonia Smith | Other | — | 36 | ~1894 |
| Bettie Smith | Daughter | — | 4 | ~1926 |
Census Appearances
1930
Delaware, Iowa
Daughter, age 4
Delaware, Iowa · implied b. ~1926 — 9 household members
| Surname | Smith |
| Given Name | Bettie N |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Can Read/Write | No |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Delaware-County, Iowa
Daughter, age 14
Delaware-County, Iowa · implied b. ~1926 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Betty N |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Milo Twp |
| 1935 Residence (County) | Delaware |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 Bettie Smith across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Bettie Smith
Daughter · 1930 · age 4 · b. ~1926 · Iowa
★ You are viewing this record
Sibling
Doran Smith
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
May Smith
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Annabelle Smith
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arta Smith
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bonnie Smith
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Smith
Sibling · 1930 · age 12
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 — Delaware, Iowa
Open full size
1930 US Federal Census — Delaware, Iowa
Page Contents
50 people indexed on this census page (ia:1930:iowacensus00reel652:0386)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Reuben W Harris | 50 | Head | Farmer | Iowa |
| 2 | Edith B Harris | 49 | Wife-H | — | Iowa |
| 3 | Wm H Barclay | 45 | Head | Farmer | Illinois |
| 4 | Liza Barclay | 37 | Wife-H | — | Iowa |
| 5 | Dorothy M Barclay | 17 | Daughter | — | Iowa |
| 6 | Donald L Barclay | 12 | Son | — | Iowa |
| 7 | John D Barclay | 45 | Head | Farmer | Illinois |
| 8 | Nellie M Barclay | 51 | Sister | — | Ohio |
| 9 | Herbert S Barclay | 43 | Brother | Carpenter | Ohio |
| 10 | Wm G Taylor | 2 | Lodger | — | Iowa |
| 11 | Clifton Blomfield | 64 | Lodger | Laborer | Wisconsin |
| 12 | Casper Dutton | 27 | Head | Laborer | Illinois |
| 13 | Alice H Dutton | 22 | Wife-H | — | Iowa |
| 14 | Marilyn Dutton | 2 | Daughter | — | Iowa |
| 15 | Charles B Dutton | 1 | Son | — | Iowa |
| 16 | Silas Smith | 37 | Head | Farmer | Iowa |
| 17 | Sonia E Smith | 36 | Wife-H | — | Iowa |
| 18 | Arta Smith | 16 | Son | — | Iowa |
| 19 | Doran S Smith | 15 | Son | — | Iowa |
| 20 | Donald W Smith | 12 | Son | — | Iowa |
| 21 | Annabelle Smith | 10 | Daughter | — | Iowa |
| 22 | May I Smith | 8 | Daughter | — | Iowa |
| 23 | Bonnie E Smith | 6 | Daughter | — | Iowa |
| 24 | Bettie N Smith THIS PERSON | 4 | Daughter | — | Iowa |
| 25 | Joseph Medearis | 57 | Head | Farmer | Illinois |
| 26 | Alice N Medearis | 51 | Wife-H | — | Illinois |
| 27 | Oliver Medearis | 23 | Son | — | Illinois |
| 28 | Glen Medearis | 20 | Son | — | Illinois |
| 29 | Gordon Medearis | 15 | Son | — | Iowa |
| 30 | Shirley Medearis | 9 | Son | — | Iowa |
| 31 | James Cummings | 50 | Head | Farmer | Iowa |
| 32 | Edith Cummings | 44 | Wife-H | — | Iowa |
| 33 | John Cummings | 24 | Son | Teacher | Iowa |
| 34 | Clara B Cummings | 23 | Daughter | Teacher | Iowa |
| 35 | Walter W Cummings | 22 | Son | Farmer | Iowa |
| 36 | Josephine Cummings | 20 | Daughter | College | Iowa |
| 37 | Donald T Cummings | 19 | Son | — | Iowa |
| 38 | Lewis J Cummings | 17 | Son | — | Iowa |
| 39 | James Cummings | 12 | Son | — | Iowa |
| 40 | Will Wintzker | 34 | Head | Farmer | Iowa |
| 41 | Vivian Wintzker | 9 | Daughter | — | Iowa |
| 42 | Annamae Wintzker | 6 | Daughter | — | Iowa |
| 43 | Marion Steward | 58 | Laborer | Laborer | Iowa |
| 44 | Joseph Wintzker | 62 | Head | Farmer | Iowa |
| 45 | Thomas Dewey | 39 | Head | Service Station | Iowa |
| 46 | Clyda A Dewey | 32 | Wife-H | — | Iowa |
| 47 | Bernice O Dewey | 16 | Daughter | — | N. Dakota |
| 48 | Ernest D Dewey | 15 | Son | — | N. Dakota |
| 49 | Ima B Dewey | 14 | Daughter | — | N. Dakota |
| 50 | Edward G Dewey | 13 | Son | — | N. Dakota |
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)