RM
Richard Mason — 1940 US Census Record
Model Tree available1940 United States Federal Census · Story-County, Iowa
Our Model Tree links this Richard Mason across the 1920, 1930 and 1940 US Censuses in Story-County, Iowa (XGBoost, ~Confirmed), with identified parents Clyde & Clyde — first a son (b.~1917), then head of a 8-person household.
Age 23
b. ~1917
Male
Son
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Story-County, Iowa |
| Surname | Mason |
| Given Name | Richard C. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Ames City |
| 1935 Residence (County) | Story |
| Additional Details | |
| Occupation | new worker |
| Industry | Painter |
| Class of Worker | OA |
| Income (1939) | 0 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | New Worker |
| Township / Ward | Ames City |
| Est. Birth Year | ~1917 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Richard | Age | Birth yr |
|---|---|---|---|---|
| Ben Mason | Son | — | 12 | ~1928 |
| Rex Mason | Son | — | 21 | ~1919 |
| Richard Mason | Son | — | 23 | ~1917 |
| Phyllis Mason | Spouse | — | 45 | ~1895 |
| Mariam Brouhard | Daughter | — | 25 | ~1915 |
| Virginia Mason | Daughter | — | 14 | ~1926 |
| Clyde Mason | Head | — | 47 | ~1893 |
| Nancy Brouhard | Daughter | — | 4 | ~1936 |
Census Appearances
1920
Story, Iowa
Son, age 3
Story, Iowa · implied b. ~1917 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mason |
| Given Name | Richard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Wisconsin |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Story, Iowa
Son, age 13
Story, Iowa · implied b. ~1917 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mason |
| Given Name | Richard C. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Iowa |
| Age at First Marriage | 13 |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Wisconsin |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Story-County, Iowa
Son, age 23
Story-County, Iowa · implied b. ~1917 — 8 household members
| Surname | Mason |
| Given Name | Richard C. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Ames City |
| 1935 Residence (County) | Story |
| Occupation | new worker |
| Industry | Painter |
| Class of Worker | OA |
| Income (1939) | 0 |
| Highest Grade | H-4 |
| 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 Richard Mason across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Clyde Mason (~0.92 confidence) and father Clyde Mason (~0.92 confidence) and mother Phyllis Mason (~0.92 confidence) and mother Phyllis Mason (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Clyde Mason
b. ~1892
Source father
● Household
· direct · ~0.92
Father
Clyde Mason
b. ~1895
Source father
● Household
· direct · ~0.92
Mother
Phyllis Mason
b. ~1895
Source mother
● Household
· direct · ~0.92
Mother
Phyllis Mason
b. ~1895
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Richard Mason
Son · 1940 · age 23 · b. ~1917 · Iowa
★ You are viewing this record
Sibling
Virginia Mason
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mariam Brouhard
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rex Mason
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ben Mason
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nancy Brouhard
Sibling · 1940 · age 4
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 — Story-County, Iowa
Open full size
1940 US Federal Census — Story-County, Iowa
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01206-00404)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ida M. Kessler | 50 | Head | Care Of Children | Iowa |
| 2 | Geo Kessler | 19 | Son | Misc. | Iowa |
| 3 | R. E. Buchanan | 57 | Head | Agriculture Dean | Iowa |
| 4 | Estella L. Buchanan | 53 | Wife | — | Iowa |
| 5 | John A. Vogel | 23 | Nephew | Business Mgr | Oklahoma |
| 6 | W. E. Loomis | 41 | Head | Plant Physiology | Illinois |
| 7 | Helen M. Loomis | 38 | Wife | — | New York |
| 8 | W. David Loomis | 14 | Son | — | Arkansas |
| 9 | Robert S. Loomis | 11 | Son | — | Iowa |
| 10 | V. H. Nielsen | 30 | Head | Cheese Maker | Denmark |
| 11 | Verda L. Nielsen | 34 | Wife | — | Texas |
| 12 | Geo Lee Nielsen | 2 | Son | — | Iowa |
| 13 | G. H. Dowd | 51 | Head | Rooming House | Iowa |
| 14 | Helen A. Dowd | 22 | Daughter | New Worker | Canada |
| 15 | L. Walter Dowd | 19 | Son | In School | Iowa |
| 16 | Gordon P. Dowd | 13 | Son | — | Iowa |
| 17 | Clyde Mason | 47 | Head | Inst Materials | Iowa |
| 18 | Phyllis Mason | 45 | Wife | — | Iowa |
| 19 | Richard C. Mason THIS PERSON | 23 | Son | New Worker | Iowa |
| 20 | Rex W. Mason | 21 | Son | New Worker | Iowa |
| 21 | Virginia P. Mason | 14 | Daughter | — | Iowa |
| 22 | Ben W. Mason | 12 | Son | — | Iowa |
| 23 | Mariam Brouhard | 25 | Daughter | — | Iowa |
| 24 | Nancy Jane Brouhard | 4 | Daughter | — | Iowa |
| 25 | V. C. Duval | 45 | Head | Service Man | Ohio |
| 26 | Lucile Duval | 39 | Wife | — | Iowa |
| 27 | Geo Richard Duval | 12 | Son | — | Iowa |
| 28 | Fred Huntley | 27 | Head | Clerk | Iowa |
| 29 | Phyllis Huntley | 24 | Wife | Stenographer | Iowa |
| 30 | Gertrude Middleton | 75 | Head | Retired | Illinois |
| 31 | F. Johnson | 48 | Head | Works On Farm | Iowa |
| 32 | Sadie Johnson | 50 | Wife | Cook | Iowa |
| 33 | Julia Heggem | 74 | Mother in law | — | Norway |
| 34 | Peter Mucaus | 68 | Head | Owner & Mgr | Norway |
| 35 | Emma Mucaus | 61 | Wife | — | Wisconsin |
| 36 | Chas M. Elkinton | 30 | Head | Inst Agri. Ex. | Iowa |
| 37 | Cela P. Elkinton | 28 | Wife | — | Iowa |
| 38 | Ann D. Elkinton | 3 | Daughter | — | Iowa |
| 39 | Alice B. Elkinton | 67 | Mother | — | Wisconsin |
Pedigree Summary
Richard + 5 siblings
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 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)