CM
Charles Mason — 1930 US Census Record
Model Tree available1930 United States Federal Census · Hamilton, Iowa
Our Model Tree links this Charles Mason across the 1910, 1920 and 1930 US Censuses in Hamilton, Iowa (XGBoost, ~Confirmed), with identified parents Harold & Hattie — first a son (b.~1903), then head of a 5-person household.
Age 27
b. ~1903
Male
Son
Born: Iowa
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Hamilton, Iowa |
| Surname | Mason |
| Given Name | Charles F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Additional Details | |
| Occupation | Salesman |
| Industry | Hdw. Store |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Salesman |
| Township / Ward | Webster City City |
| Est. Birth Year | ~1903 |
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 1930 census.
| Name | Relation to head | Relative to Charles | Age | Birth yr |
|---|---|---|---|---|
| Harold Mason | Head | — | 57 | ~1873 |
| Isabella Mason | Other | — | 76 | ~1854 |
| Lottie Bakken | Other | — | 17 | ~1913 |
| Alice Kurtz | Other | — | 19 | ~1911 |
| Charles Mason | Son | — | 27 | ~1903 |
Census Appearances
1910
Hamilton, Iowa
Son, age 6
Hamilton, Iowa · implied b. ~1904 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mason |
| Given Name | Charles F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1920
Hamilton, Iowa
Son, age 16
Hamilton, Iowa · implied b. ~1904 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mason |
| Given Name | Charles H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Hamilton, Iowa
Son, age 27
Hamilton, Iowa · implied b. ~1903 — 5 household members
| Surname | Mason |
| Given Name | Charles F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | Salesman |
| Industry | Hdw. Store |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| 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 Charles Mason across 3 US Census years (1910, 1920 and 1930) in Hamilton, Iowa, using XGBoost record linkage. Identified parents: father Harold Mason (~0.92 confidence) and mother Hattie Mason (~0.92 confidence) and father Harold Mason (~0.92 confidence) and father Herald Mason (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Harold Mason
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Hattie Mason
b. ~1878
Source mother
● Household
· direct · ~0.92
Father
Harold Mason
b. ~1879
Source father
● Household
· direct · ~0.92
Father
Herald Mason
b. ~1880
Source father
● Household
· direct · ~0.92
This person
Anchor record
Charles Mason
Son · 1930 · age 27 · b. ~1903 · Iowa
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Hamilton, Iowa
Open full size
1930 US Federal Census — Hamilton, Iowa
Page Contents
50 people indexed on this census page (ia:1930:iowacensus00reel657:0239)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Jesse W. Lee | 61 | Head | Lawyer | Ohio |
| 52 | Hattie E. Lee | 58 | Wife | — | Iowa |
| 53 | John E. Olmstead | 68 | Head | Plasterer | Iowa |
| 54 | Louie Olmstead | 55 | Wife | — | Illinois |
| 55 | Marie Nelson | 17 | Stepdaughter | — | Iowa |
| 56 | William R. Warneke | 46 | Head | Manager | Iowa |
| 57 | Gertrude R. Warneke | 42 | Wife | — | Iowa |
| 58 | Russell W. Warneke | 16 | Son | — | Iowa |
| 59 | Frederick R. Warneke | 13 | Son | — | Iowa |
| 60 | Henry M. Warneke | 11 | Son | — | Iowa |
| 61 | Kathleen Warneke | 29 | Sister | — | Iowa |
| 62 | George W. Warneke | 42 | Brother | Laborer | Iowa |
| 63 | Albert J. Smith | 64 | Head | — | Iowa |
| 64 | Caroline M. Smith | 63 | Wife | — | Iowa |
| 65 | Florence Kent | 20 | Niece | Stenographer | Iowa |
| 66 | Flossie Wharton | 19 | Boarder | Bookkeeper | Iowa |
| 67 | William J. Dick | 63 | Head | — | Iowa |
| 68 | Effie F. Dick | 55 | Wife | — | West Virginia |
| 69 | Frank A. Dick | 15 | Son | — | Iowa |
| 70 | Ralph G. Dick | 13 | Son | — | Iowa |
| 71 | Caroline Simpson | 15 | Lodger | — | Iowa |
| 72 | Joan Ridgway | 16 | Lodger | — | Iowa |
| 73 | Richard W. Youlden | 46 | Head | Draftsman | England |
| 74 | Nell R. Youlden | 46 | Wife | — | England |
| 75 | Selina G. Youlden | 15 | Daughter | — | Iowa |
| 76 | Stanley S. Youlden | 9 | Son | — | Iowa |
| 77 | Richard Youlden | 74 | Father | — | England |
| 78 | Newt. M. Ostlund | 42 | Head | Proprietor | Iowa |
| 79 | Mary F. Ostlund | 34 | Wife | Bookkeeper | Iowa |
| 80 | William C. Ostlund | 11 | Son | — | Iowa |
| 81 | Robert A. Ostlund | 10 | Son | — | Iowa |
| 82 | John W. Ostlund | 5 | Son | — | Iowa |
| 83 | Agnes Molund | 15 | Boarder | — | Sweden |
| 84 | Luella M. Olsen | 18 | Servant | Servant | Iowa |
| 85 | Irene B. Housken | 19 | Boarder | Servant | Iowa |
| 86 | Harold P. Mason | 57 | Head | Proprietor | Iowa |
| 87 | Charles F. Mason THIS PERSON | 27 | Son | Salesman | Iowa |
| 88 | Isabella Mason | 76 | Mother-in-law | — | Indiana |
| 89 | Alice W. Kurtz | 19 | Lodger | Stenographer | Iowa |
| 90 | Lottie Bakken | 17 | Lodger | — | Iowa |
| 91 | Caroline H. Rupel | 72 | Head | — | Germany |
| 92 | John E. Mcdowell | 47 | Son-in-law | Salesman | Iowa |
| 93 | Jessie Mcdowell | 41 | Daughter | — | Iowa |
| 94 | Donald Mcdowell | 12 | Son | — | Iowa |
| 95 | Arthur L. Nelson | 44 | Head | Recorder | South Dakota |
| 96 | Anna M. Nelson | 38 | Wife | — | Illinois |
| 97 | Charles F. Rice | 46 | Head | Carpenter | Illinois |
| 98 | Muriel M. Rice | 47 | Wife | — | Iowa |
| 99 | Grace Rice | 15 | Daughter | — | Iowa |
| 100 | Margaret Rice | 12 | Daughter | — | Iowa |
Pedigree Summary
Charles
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)