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Harry Adams — 1900 US Census Record
Linked across censuses1900 United States Federal Census · Louisa, Iowa
Our Model Tree links this Harry Adams across the 1900, 1910, 1920 and 1930 US Censuses in Louisa, Iowa (XGBoost, ~Confirmed) — first a head (b.~1849), then head of a 4-person household.
Age 51
b. ~1849
Male
Head
Born: Indiana
Married
1900 Census Record Details
| Census Year | 1900 |
| Location | Louisa, Iowa |
| Surname | Adams |
| Given Name | Harry H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Indiana |
| Birth Month | Aug |
| Birth Year | 1849 |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Township / Ward | Morning Sun Township |
| Est. Birth Year | ~1849 |
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 1900 census.
| Name | Relation to head | Relative to Harry | Age | Birth yr |
|---|---|---|---|---|
| Ethel Adams | Daughter | — | 19 | ~1881 |
| Chase Adams | Son | — | 21 | ~1879 |
| Fannie Adams | Spouse | — | 41 | ~1859 |
| Harry Adams | Head | — | 51 | ~1849 |
Census Appearances
1900
Louisa, Iowa
Head, age 51
Louisa, Iowa · implied b. ~1849 — 4 household members
| Surname | Adams |
| Given Name | Harry H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Indiana |
| Birth Month | Aug |
| Birth Year | 1849 |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1910
Louisa, Iowa
Head, age 59
Louisa, Iowa · implied b. ~1851 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Adams |
| Given Name | Harvey M |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 59 |
| Marital Status | Married |
| Birthplace | Indiana |
| Years Married | 39 |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | Editor |
| Industry | Jan. Thor |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1920
Louisa, Iowa
Head, age 70
Louisa, Iowa · implied b. ~1850 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Adams |
| Given Name | Harvey M. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 70 |
| Marital Status | Married |
| Birthplace | Indiana |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | Barber |
| Industry | Own shop |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Louisa, Iowa
Head, age 79
Louisa, Iowa · implied b. ~1851 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Adams |
| Given Name | Harvey |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 79 |
| Marital Status | Married |
| Birthplace | Indiana |
| Age at First Marriage | 25 |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | Barber |
| Industry | Barber Shop |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 2000 |
| Radio Set | R |
| 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 Harry Adams across 4 US Census years (1900, 1910, 1920 and 1930) in Louisa, Iowa, using XGBoost record linkage.
Show:
This person
Anchor record
Harry Adams
Head · 1900 · age 51 · b. ~1849 · Iowa
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1900 US Federal Census — Louisa, Iowa
Open full size
1900 US Federal Census — Louisa, Iowa
Page Contents
50 people indexed on this census page (ia:1900:12thcensusofpopu444unit:0841)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John F. Parker | 30 | Head | 11-Baker | Iowa |
| 2 | Ella M. Parker | 30 | Wife | — | Iowa |
| 3 | Mamie Parker | 7 | Daughter | — | Iowa |
| 4 | Morris F. Parker | 6 | Son | — | Iowa |
| 5 | Lara S. Parker | 4 | Son | — | Iowa |
| 6 | George Irvin | 27 | Head | Restaurant Keeper | Iowa |
| 7 | Jamie B. Irvin | 29 | Wife | — | Iowa |
| 8 | Bertha Vanzant | 23 | Head | Milliner | Iowa |
| 9 | Lilly M. Bain | 31 | Partner | Milliner | Iowa |
| 10 | John W. Mcclannahan | 57 | Head | Blacksmith | Ohio |
| 11 | Emma Mcclannahan | 45 | Wife | — | Ohio |
| 12 | Kate M. Mcclannahan | 19 | Daughter | At School | Iowa |
| 13 | William Mcclannahan | 17 | Son | At School | Iowa |
| 14 | Mark Mcclannahan | 10 | Son | At School | Iowa |
| 15 | Celia L. Mcclannahan | 8 | Daughter | At School | Iowa |
| 16 | Thomas D. Wilson | 44 | Head | Blacksmith | Ohio |
| 17 | Susan M. Wilson | 60 | Wife | — | Ohio |
| 18 | Edna Wilson | 18 | Daughter | — | Iowa |
| 19 | Bessie M. Nelson | 19 | G-Daughter | School Teacher | Iowa |
| 20 | James L. Nelson | 16 | G-Son | — | Iowa |
| 21 | Emma E. Nelson | 14 | G-Daughter | — | Iowa |
| 22 | William H. Wright | 34 | Head | Teamster | Iowa |
| 23 | Sarah G. Wright | 23 | Wife | — | Iowa |
| 24 | Greta P. Potter | 19 | Sister | Milliner | Iowa |
| 25 | Jane S. Kerney | 55 | Head | — | Iowa |
| 26 | Sarah J. Kerney | 37 | Sister | — | Iowa |
| 27 | Joe L. Kerney | 8 | Nephew | At School | Kansas |
| 28 | William H. Garvin | 45 | Head | House Painter | Iowa |
| 29 | Julia A. Garvin | 36 | Wife | — | Iowa |
| 30 | Iona I. Garvin | 10 | Daughter | In School | Missouri |
| 31 | Thomas H. Garvin | 8 | Son | In School | Iowa |
| 32 | Harry H. Adams THIS PERSON | 50 | Head | — | Indiana |
| 33 | Fannie A. Adams | 41 | Wife | — | Indiana |
| 34 | Chase A. Adams | 20 | Son | Inner | Iowa |
| 35 | Ethel Adams | 18 | Daughter | — | Kansas |
| 36 | S. Peter Millen | 70 | Head | — | Ohio |
| 37 | Elizabeth A. Millen | 65 | Wife | — | Ohio |
| 38 | Maria Curran | 66 | Head | — | Ohio |
| 39 | Samuel H. Curran | 35 | Son | Druggist | Iowa |
| 40 | Ella P. Curran | 26 | Daughter | — | Iowa |
| 41 | William Butler | 55 | Head | Farmer | Ohio |
| 42 | Margaret Butler | 55 | Wife | — | Indiana |
| 43 | Nellie E. Butler | 24 | Daughter | School Teacher | Iowa |
| 44 | Bessie E. Butler | 13 | Daughter | At School | Iowa |
| 45 | Robert H. Gavin | 57 | Head | Blacksmith | Ohio |
| 46 | Mary A. Gavin | 47 | Wife | — | Illinois |
| 47 | Lois Gavin | 20 | Daughter | Dressmaker | Iowa |
| 48 | Mirtle F. Gavin | 26 | Daughter | — | Iowa |
| 49 | Allie E. Gavin | 4 | G-Daughter | — | Iowa |
| 50 | Mildred E. Gavin | 1 | G-Daughter | — | 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)