WF
William Frost — 1900 US Census Record
Linked across censuses1900 United States Federal Census · Delaware, Iowa
Our Model Tree links this William Frost across the 1900 and 1910 US Censuses in Delaware, Iowa (XGBoost, ~Confirmed) — first a son (b.~1897), then head of a 7-person household.
Age 3
b. ~1897
Male
Son
Born: Iowa
Single
1900 Census Record Details
| Census Year | 1900 |
| Location | Delaware, Iowa |
| Surname | Frost |
| Given Name | William J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Iowa |
| Birth Month | Oct |
| Birth Year | 1897 |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Iowa |
| Additional Details | |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | South Fork Township |
| Est. Birth Year | ~1897 |
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.
7 people recorded at the same address in the 1900 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Millard Frost | Son | — | 11 | ~1889 |
| Mamie Frost | Daughter | — | 9 | ~1891 |
| William Frost | Son | — | 3 | ~1897 |
| Walter Frost | Son | — | 6 | ~1894 |
| Barton Frost | Head | — | 44 | ~1856 |
| Milo Frost | Son | — | 15 | ~1885 |
| Elsie Frost | Spouse | — | 38 | ~1862 |
Census Appearances
1900
Delaware, Iowa
Son, age 3
Delaware, Iowa · implied b. ~1897 — 7 household members
| Surname | Frost |
| Given Name | William J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Iowa |
| Birth Month | Oct |
| Birth Year | 1897 |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Iowa |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1910
Delaware, Iowa
Son, age 12
Delaware, Iowa · implied b. ~1898 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Frist |
| Given Name | William J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Iowa |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| 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 William Frost across 2 US Census years (1900 and 1910) in Delaware, Iowa, using XGBoost record linkage.
Show:
This person
Anchor record
William Frost
Son · 1900 · age 3 · b. ~1897 · Iowa
★ You are viewing this record
Sibling
Mamie Frost
Sibling · 1900 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Milo Frost
Sibling · 1900 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Walter Frost
Sibling · 1900 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Millard Frost
Sibling · 1900 · age 11
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
1900 US Federal Census — Delaware, Iowa
Open full size
1900 US Federal Census — Delaware, Iowa
Page Contents
37 people indexed on this census page (ia:1900:12thcensusofpopu428unit:0892)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Jonas Cool | 75 | Head | Farmer | New York |
| 2 | Delphina Cool | 30 | Daughter | Housekeeper | Iowa |
| 3 | Charles A Gearhart | 37 | Head | Farmer | Iowa |
| 4 | Ada B Gearhart | 36 | Wife | — | Iowa |
| 5 | Ernest Gearhart | 11 | Son | At School | Iowa |
| 6 | Lester Gearhart | 9 | Son | At School | Iowa |
| 7 | Mary Gearhart | 8 | Daughter | At School | Iowa |
| 8 | Wilma Gearhart | 6 | Daughter | At School | Iowa |
| 9 | Vera Gearhart | 3 | Daughter | — | Iowa |
| 10 | James Slawson | 57 | Head | Farmer | New York |
| 11 | Catherine Slawson | 54 | Wife | — | Illinois |
| 12 | Guy Slawson | 28 | Son | — | Iowa |
| 13 | Garfield Slawson | 18 | Son | — | Iowa |
| 14 | Edna Slawson | 17 | Daughter | — | Iowa |
| 15 | Lloyd Slawson | 13 | Son | — | Iowa |
| 16 | Barton E Frost | 44 | Head | Farmer | Ohio |
| 17 | Elsie E Frost | 38 | Wife | — | Iowa |
| 18 | Milo E Frost | 15 | Son | At School | Iowa |
| 19 | Millard E Frost | 11 | Son | At School | Iowa |
| 20 | Mamie A Frost | 9 | Daughter | At School | Iowa |
| 21 | Walter E Frost | 6 | Son | At School | Iowa |
| 22 | William J Frost THIS PERSON | 2 | Son | — | Iowa |
| 23 | Peter Hurst | 29 | Head | Farmer | Iowa |
| 24 | Margaret Hurst | 27 | Wife | — | Iowa |
| 25 | A Delphia Hurst | 6 | Daughter | At School | Iowa |
| 26 | John S Hurst | 3 | Son | — | Iowa |
| 27 | Paul H Hurst | 1 | Son | — | Iowa |
| 28 | Anna M Hurst | 0 | Daughter | — | Iowa |
| 29 | Frank Hurst | 23 | Brother | — | Iowa |
| 30 | William Hurst | 20 | Brother | — | Iowa |
| 31 | Anton Hurst | 15 | Brother | — | Iowa |
| 32 | Frederick Lawrence | 65 | Head | Farmer | Germany |
| 33 | Sarah Lawrence | 56 | Wife | — | Missouri |
| 34 | Josephine Lawrence | 28 | Daughter | — | Iowa |
| 35 | Frederick H Lawrence | 25 | Son | — | Iowa |
| 36 | Arthur S Lawrence | 19 | Son | — | Iowa |
| 37 | Bert S Lawrence | 16 | Son | — | Iowa |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1900 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)