AM
Arthur Mason — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Sac-County, Iowa
Our Model Tree links this Arthur Mason across the 1930 and 1940 US Censuses in Sac-County, Iowa (XGBoost, ~Confirmed) — first a son (b.~1925), then head of a 9-person household.
Age 15
b. ~1925
Male
Son
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Sac-County, Iowa |
| Surname | Mason |
| Given Name | Arthur Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Carnarvon |
| 1935 Residence (County) | Sac |
| Additional Details | |
| Highest Grade | Gr 7 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Carnarvon |
| Est. Birth Year | ~1925 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Arthur | Age | Birth yr |
|---|---|---|---|---|
| Arthur Mason | Son | — | 15 | ~1925 |
| Wm Neeman | Other | — | 70 | ~1870 |
| Florence Mason | Spouse | — | 50 | ~1890 |
| Karen Mason | Daughter | — | 1 | ~1939 |
| Edith Mason | Daughter | — | 25 | ~1915 |
| Ernest Meyers | Other | — | 26 | ~1914 |
| Gerald Mason | Son | — | 22 | ~1918 |
| Jimmy Mason | Son | — | 6 | ~1934 |
| Arthur Mason | Head | — | 55 | ~1885 |
Census Appearances
1930
Sac, Iowa
Son, age 5
Sac, Iowa · implied b. ~1925 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mason |
| Given Name | Arthur Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | South Dakota |
| Can Read/Write | No |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Sac-County, Iowa
Son, age 15
Sac-County, Iowa · implied b. ~1925 — 9 household members
| Surname | Mason |
| Given Name | Arthur Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Carnarvon |
| 1935 Residence (County) | Sac |
| Highest Grade | Gr 7 |
| 1935 Residence | Same place |
| 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 Arthur Mason across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Arthur Mason
Son · 1940 · age 15 · b. ~1925 · Iowa
★ You are viewing this record
Sibling
Gerald Mason
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Karen Mason
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jimmy Mason
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edith Mason
Sibling · 1940 · age 25
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
1940 US Federal Census — Sac-County, Iowa
Open full size
1940 US Federal Census — Sac-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01201-00808)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ida Frank | 67 | Head | — | Iowa |
| 2 | Hilda Meyer | 62 | Head | Maid | Germany |
| 3 | Ben E. Van Horn | 28 | Head | Salesman | Iowa |
| 4 | Lucille Van Horn | 24 | Wife | — | Iowa |
| 5 | Arthur Mason | 55 | Head | Barber | Iowa |
| 6 | Florence M. Mason | 50 | Wife | — | Iowa |
| 7 | Edith E. Mason | 25 | Daughter | Teacher | Iowa |
| 8 | Karen E. Mason | 1 | Daughter | — | Iowa |
| 9 | Gerald A. Mason | 22 | Son | Barber | Iowa |
| 10 | Arthur Jr. Mason THIS PERSON | 15 | Son | — | Iowa |
| 11 | Jimmy J. Mason | 6 | Son | — | Iowa |
| 12 | Wm. Neeman | 70 | Lodger | — | Illinois |
| 13 | Ernest Meyers | 26 | Lodger | New Worker | Iowa |
| 14 | Lizzie Blasier | 48 | Head | — | Iowa |
| 15 | Hilda Doen | 61 | Sister | Proprietor | Iowa |
| 16 | Fred Volrad | 49 | Head | Proprietor | Iowa |
| 17 | Thomas Thomas | 74 | Father | — | Illinois |
| 18 | Adam C. Thomas | 34 | Brother | Sales Clerk | Iowa |
| 19 | Jesse James | 54 | Head | — | Iowa |
| 20 | Gertie James | 54 | Wife | — | Iowa |
| 21 | Bill Liefenthaler | 31 | Lodger | Truck Driver | Iowa |
| 22 | Hilda Liefenthaler | 27 | Daughter-in-law | — | Iowa |
| 23 | Myra Jean Liefenthaler | 9 | Granddaughter | — | Iowa |
| 24 | Arthur Liefenthaler | 29 | Head | Tank Wagon Driver | Iowa |
| 25 | Leona Liefenthaler | 22 | Wife | — | Iowa |
| 26 | Frank Meyers | 68 | Head | — | Illinois |
| 27 | Isaac Meyers | 37 | Son | Laborer | Iowa |
| 28 | John Meyers | 33 | Son | Laborer | Iowa |
| 29 | Albert Franck | 67 | Head | — | Iowa |
| 30 | Kate Franck | 53 | Wife | — | Iowa |
| 31 | Raymond (Jas.) Franck | 25 | Son | — | Iowa |
| 32 | Ronald Meyer | 38 | Head | Proprietor | Iowa |
| 33 | Dena Meyer | 39 | Wife | — | Iowa |
| 34 | Duane Meyer | 13 | Son | — | Iowa |
| 35 | Milton Meyer | 8 | Son | — | Iowa |
| 36 | Cyril Schotter | 29 | Head | Commercial Advertising Artist | New York |
| 37 | Alvin V. Claus | 52 | Head | — | Iowa |
| 38 | Minnie M. Claus | 50 | Wife | — | Iowa |
| 39 | Annie Bentz | 74 | Head | — | Wisconsin |
| 40 | Edward M. Meyers | 35 | Son-in-law | Laborer | Illinois |
Related Census Records
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 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)