LS
Lulu Smith — 1910 US Census Record
Linked across censuses1910 United States Federal Census · Black Hawk, Iowa
Our Model Tree links this Lulu Smith across the 1900 and 1910 US Censuses in Black Hawk, Iowa (XGBoost, ~Confirmed) — first a daughter (b.~1899), then head of a 10-person household.
Age 11
b. ~1899
Female
Daughter
Born: Iowa
Single
1910 Census Record Details
| Census Year | 1910 |
| Location | Black Hawk, Iowa |
| Surname | Smith |
| Given Name | Lulu K |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Additional Details | |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Bennington Twp |
| Est. Birth Year | ~1899 |
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.
10 people recorded at the same address in the 1910 census.
| Name | Relation to head | Relative to Lulu | Age | Birth yr |
|---|---|---|---|---|
| Lulu Smith | Daughter | — | 11 | ~1899 |
| Roger Smith | Son | — | 6 | ~1904 |
| Oliver Smith | Son | — | 19 | ~1891 |
| Blanch Smith | Daughter | — | 8 | ~1902 |
| Mary Smith | Spouse | — | 48 | ~1862 |
| Charles Smith | Head | — | 50 | ~1860 |
| June Smith | Daughter | — | 13 | ~1897 |
| Walter Smith | Son | — | 21 | ~1889 |
| Mae Smith | Daughter | — | 17 | ~1893 |
| Dora Smith | Daughter | — | 22 | ~1888 |
Census Appearances
1900
Black Hawk, …
Daughter, age 2
Black Hawk, Iowa · implied b. ~1898 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Lulu K |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Iowa |
| Birth Month | Aug |
| Birth Year | 1898 |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1910
Black Hawk, …
Daughter, age 11
Black Hawk, Iowa · implied b. ~1899 — 10 household members
| Surname | Smith |
| Given Name | Lulu K |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| 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 Lulu Smith across 2 US Census years (1900 and 1910) in Black Hawk, Iowa, using XGBoost record linkage.
Show:
This person
Anchor record
Lulu Smith
Daughter · 1910 · age 11 · b. ~1899 · Iowa
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Sibling
June Smith
Sibling · 1910 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Walter Smith
Sibling · 1910 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Blanch Smith
Sibling · 1910 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dora Smith
Sibling · 1910 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Roger Smith
Sibling · 1910 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Oliver Smith
Sibling · 1910 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mae Smith
Sibling · 1910 · age 17
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
1910 US Federal Census — Black Hawk, Iowa
Open full size
1910 US Federal Census — Black Hawk, Iowa
Page Contents
17 people indexed on this census page (ia:1910:13thcensus1910po392unit:0034)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Herman Katz | 48 | Head | Farmer | Illinois |
| 52 | Margaret Katz | 44 | Wife | — | Illinois |
| 53 | Charlotte Katz | 17 | Daughter | — | Iowa |
| 54 | Malinda Katz | 13 | Daughter | — | Iowa |
| 55 | Harry Meyer | 28 | Hired man | Farm Labour | Iowa |
| 56 | Charles W Smith | 50 | Head | Farmer | Iowa |
| 57 | Mary E Smith | 48 | Wife | — | Iowa |
| 58 | Dora E Smith | 22 | Daughter | Book Keeper | Iowa |
| 59 | Walter W Smith | 21 | Son | Farm Labourer | Iowa |
| 60 | Oliver O Smith | 19 | Son | Farm Labourer | Iowa |
| 61 | Mae A Smith | 17 | Daughter | — | Iowa |
| 62 | June P Smith | 13 | Daughter | — | Iowa |
| 63 | Lulu K Smith THIS PERSON | 11 | Daughter | — | Iowa |
| 64 | Blanch F Smith | 8 | Daughter | — | Iowa |
| 65 | Roger H Smith | 6 | Son | — | Iowa |
| 66 | Heinrich Dos | 74 | Head | Own Income | Ger |
| 67 | Eyette Dos | 71 | Wife | — | Ger |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1910 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)