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William Nicholson — 1910 US Census Record
Linked across censuses1910 United States Federal Census · Calhoun, Iowa
Our Model Tree links this William Nicholson across the 1900 and 1910 US Censuses in Calhoun, Iowa (XGBoost, ~Confirmed) — first a head (b.~1867), then head of a 7-person household.
Age 43
b. ~1867
Male
Head
Born: Illinois
Married
1910 Census Record Details
| Census Year | 1910 |
| Location | Calhoun, Iowa |
| Surname | Nicholson |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Illinois |
| Years Married | 13 |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Occupation | Farmer |
| Industry | General farm |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Farmer |
| Township / Ward | Lake Creek Township |
| Est. Birth Year | ~1867 |
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 1910 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Gervin Nicholson | Son | — | 7 | ~1903 |
| Florence Nicholson | Daughter | — | 5 | ~1905 |
| Paul Nicholson | Son | — | 3 | ~1907 |
| Urma Nicholson | Daughter | — | 9 | ~1901 |
| Eurah Nicholson | Spouse | — | 33 | ~1877 |
| Blanche Nicholson | Daughter | — | 11 | ~1899 |
| William Nicholson | Head | — | 43 | ~1867 |
Census Appearances
1900
Calhoun, Iowa
Head, age 35
Calhoun, Iowa · implied b. ~1865 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nicholson |
| Given Name | Wm |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Illinois |
| Birth Month | Dec |
| Birth Year | 1865 |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Illinois |
| Occupation | Farmer |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1910
Calhoun, Iowa
Head, age 43
Calhoun, Iowa · implied b. ~1867 — 7 household members
| Surname | Nicholson |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Illinois |
| Years Married | 13 |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Illinois |
| Occupation | Farmer |
| Industry | General farm |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Nicholson across 2 US Census years (1900 and 1910) in Calhoun, Iowa, using XGBoost record linkage.
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This person
Anchor record
William Nicholson
Head · 1910 · age 43 · b. ~1867 · Iowa
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1910 US Federal Census — Calhoun, Iowa
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1910 US Federal Census — Calhoun, Iowa
Page Contents
50 people indexed on this census page (ia:1910:13thcensus1910po394unit:1002)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | F. Jos. Goetz | 55 | Head | Farmer | Illinois |
| 2 | Katharine Goetz | 51 | Wife | — | Illinois |
| 3 | Mina Goetz | 27 | Daughter | — | Iowa |
| 4 | John U. Goetz | 23 | Son | Laborer | Iowa |
| 5 | Ada L. Goetz | 14 | Daughter | — | Iowa |
| 6 | Martha A. Goetz | 12 | Daughter | — | Iowa |
| 7 | Fred E. Gotty | 23 | Head | Farmer | Iowa |
| 8 | Mabel Gotty | 25 | Wife | — | Iowa |
| 9 | J. J. Dolph | 32 | Head | Farmer | Iowa |
| 10 | Bertha Dolph | 26 | Wife | — | Illinois |
| 11 | Albert Pyper | 19 | Servant | — | Kansas |
| 12 | Charles M. Shaver | 44 | Head | Farmer | Pennsylvania |
| 13 | Vesper Shaver | 45 | Wife | — | Illinois |
| 14 | Floyd Shaver | 19 | Son | Laborer | Iowa |
| 15 | Susan Shaver | 16 | Daughter | — | Iowa |
| 16 | Annie Shaver | 14 | Daughter | — | Iowa |
| 17 | Clyde Shaver | 11 | Son | — | Iowa |
| 18 | Wayne Shaver | 9 | Son | — | Iowa |
| 19 | Vesper Shaver | 6 | Daughter | — | Iowa |
| 20 | William Nicholson THIS PERSON | 43 | Head | Farmer | Illinois |
| 21 | Eurah Nicholson | 33 | Wife | — | Iowa |
| 22 | Blanche Nicholson | 11 | Daughter | — | Iowa |
| 23 | Urma Nicholson | 9 | Daughter | — | Iowa |
| 24 | Gervin Nicholson | 7 | Son | — | Iowa |
| 25 | Florence Nicholson | 5 | Daughter | — | Iowa |
| 26 | Paul Nicholson | 3 | Son | — | Iowa |
| 27 | Richard Lucas | 79 | Head | Farmer | Illinois |
| 28 | Martha Lucas | 76 | Wife | — | Michigan |
| 29 | Jesse Lucas | 38 | Son | Laborer | Illinois |
| 30 | Chas. Wellinger | 26 | Head | Farmer | Illinois |
| 31 | Mayme Wellinger | 21 | Wife | — | Illinois |
| 32 | Dale Wellinger | 2 | Son | — | Iowa |
| 33 | Jean Wellinger | 0 | Son | — | Iowa |
| 34 | Lance Neil | 26 | Servant | Laborer | Illinois |
| 35 | John Clark | 44 | Head | Farmer | Iowa |
| 36 | Maggie Clark | 34 | Wife | — | Iowa |
| 37 | Scott Clark | 18 | Son | Laborer | Iowa |
| 38 | Louise Clark | 16 | Daughter | — | Iowa |
| 39 | Bertha Clark | 12 | Daughter | — | Iowa |
| 40 | Merle Clark | 14 | Son | — | Iowa |
| 41 | Stella Clark | 13 | Daughter | — | Iowa |
| 42 | Ester Clark | 10 | Daughter | — | Iowa |
| 43 | William Grant | 59 | Head | Farmer | Iowa |
| 44 | Martha E. Grant | 52 | Wife | — | Indiana |
| 45 | Ray Grant | 23 | Son | Laborer | Iowa |
| 46 | Chester Grant | 18 | Son | Laborer | Iowa |
| 47 | Lenord Grant | 17 | Son | Laborer | Iowa |
| 48 | Lloyd Grant | 15 | Son | Laborer | Iowa |
| 49 | Lola Grant | 12 | Daughter | — | Iowa |
| 50 | Nina Grant | 7 | Daughter | — | Iowa |
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)