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William Holmes — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Mahaska, Iowa
Our Model Tree links this William Holmes across the 1900, 1910 and 1920 US Censuses in Mahaska, Iowa (XGBoost, ~Confirmed) — first a head (b.~1874), then head of a 5-person household.
Age 46
b. ~1874
Male
Head
Born: Iowa
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Mahaska, Iowa |
| Surname | Holmes |
| Given Name | William M. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Iowa |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Oskaloosa City |
| Est. Birth Year | ~1874 |
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.
5 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Mary Holmes | Daughter | — | 21 | ~1899 |
| William Holmes | Head | — | 46 | ~1874 |
| Thelma Hicken | Other | — | 21 | ~1899 |
| Clarence Holmes | Son | — | 24 | ~1896 |
| Lillie Holmes | Spouse | — | 44 | ~1876 |
Census Appearances
1900
Mahaska, Iowa
Head, age 28
Mahaska, Iowa · implied b. ~1872 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Holmes |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Iowa |
| Birth Month | May |
| Birth Year | 1872 |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | Farmer |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1910
Mahaska, Iowa
Head, age 36
Mahaska, Iowa · implied b. ~1874 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Holmes |
| Given Name | William M. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Iowa |
| Years Married | 15 |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | Merchant |
| Industry | Grocery |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1920
Mahaska, Iowa
Head, age 46
Mahaska, Iowa · implied b. ~1874 — 5 household members
| Surname | Holmes |
| Given Name | William M. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Iowa |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| 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 Holmes across 3 US Census years (1900, 1910 and 1920) in Mahaska, Iowa, using XGBoost record linkage.
Show:
This person
Anchor record
William Holmes
Head · 1920 · age 46 · b. ~1874 · Iowa
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Mahaska, Iowa
Open full size
1920 US Federal Census — Mahaska, Iowa
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu501unit:0381)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Mary Cove | 22 | Daughter | Teacher | Iowa |
| 52 | Emma Lukens | 63 | Head | Keeper | Iowa |
| 53 | Marshall Bennett | 71 | Head | Agent | Pennsylvania |
| 54 | Carrie Bennett | 65 | Wife | — | Ohio |
| 55 | Earl Scott | 31 | Head | Barber | Missouri |
| 56 | Lillian Scott | 27 | Wife | — | Iowa |
| 57 | Mildred Scott | 7 | Daughter | — | Missouri |
| 58 | Elva Simmons | 50 | Head | Painter | Iowa |
| 59 | Martha Simmons | 62 | Wife | — | Ohio |
| 60 | Leonard Simmons | 38 | Son | Printer | Iowa |
| 61 | Frank Mcclumphy | 74 | Head | — | Pennsylvania |
| 62 | Elizabeth Mcclumphy | 63 | Wife | — | Ohio |
| 63 | Hazel Mcclumphy | 22 | Granddaughter | Bookkeeper | Iowa |
| 64 | William M. Holmes THIS PERSON | 46 | Head | — | Iowa |
| 65 | Lillie B. Holmes | 44 | Wife | — | Pennsylvania |
| 66 | Clarence J. Holmes | 24 | Son | Machinist | Iowa |
| 67 | Mary J. Holmes | 21 | Daughter | Stenographer | Iowa |
| 68 | Thelma Hicken | 21 | Roomer | Stenographer | Iowa |
| 69 | Francis O. Heird | 71 | Head | Lawyer | Pennsylvania |
| 70 | Blanche B. Heird | 63 | Wife | — | Iowa |
| 71 | Jessie B. Heird | 39 | Daughter | Teacher | Iowa |
| 72 | John Allgood | 61 | Head | Farmer | Iowa |
| 73 | Carrie Allgood | 61 | Wife | — | Iowa |
| 74 | Margaret Brown | 37 | Head | Nurse | Iowa |
| 75 | Marjorie Brown | 15 | Daughter | — | Iowa |
| 76 | Lamont Brown | 6 | Son | — | Nebraska |
| 77 | Harry Williams | 33 | Head | Carpenter | Illinois |
| 78 | Mary Williams | 31 | Wife | — | Illinois |
| 79 | Juanita Williams | 11 | Daughter | — | Iowa |
| 80 | Vera Williams | 5 | Daughter | — | Iowa |
| 81 | Grace Williams | 3 | Daughter | — | Iowa |
| 82 | Tom Williams | 44 | Brother | Carpenter | Illinois |
| 83 | James Havard | 71 | Head | — | Iowa |
| 84 | Mary Havard | 70 | Wife | — | Iowa |
| 85 | William Gremble | 67 | Head | Engineer | Ohio |
| 86 | Josephine Gremble | 63 | Wife | — | Pennsylvania |
| 87 | Albert Hoff | 23 | Head | Baker | Iowa |
| 88 | Alice Hoff | 24 | Wife | — | Kansas |
| 89 | Evelyn Hoff | 3 | Daughter | — | Iowa |
| 90 | Daphne Hoff | 1 | Daughter | — | Iowa |
| 91 | Charles Ralston | 57 | Head | Manager | Iowa |
| 92 | Elmer Ralston | 49 | Brother | Salesman | Iowa |
| 93 | David Stewart | 31 | Head | Retail Merchant | Ireland |
| 94 | Lucile Stewart | 26 | Wife | — | Illinois |
| 95 | Ollie Roe | 53 | Head | — | Iowa |
| 96 | Allie Moore | 43 | Head | — | Iowa |
| 97 | Frank Stone | 71 | Head | — | Iowa |
| 98 | Sarah Stone | 65 | Wife | — | Ohio |
| 99 | William Milliron | 59 | Head | — | Iowa |
| 100 | Adelaide Milliron | 59 | Wife | — | Ohio |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)