RE
Richard Evans — 1930 US Census Record
Model Tree available1930 United States Federal Census · Polk, Iowa
Our Model Tree links this Richard Evans across the 1920, 1930 and 1940 US Censuses in Polk, Iowa (XGBoost, ~Confirmed), with identified parents Mary & Richard — first a son (b.~1913), then head of a 6-person household.
Age 17
b. ~1913
Male
Son
Born: Iowa
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Polk, Iowa |
| Surname | Evans |
| Given Name | Richard L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Iowa |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Des Moines |
| Est. Birth Year | ~1913 |
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.
6 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Richard | Age | Birth yr |
|---|---|---|---|---|
| Richard Evans | Head | — | 48 | ~1882 |
| William Evans | Son | — | 9 | ~1921 |
| Elizabeth Evans | Daughter | — | 11 | ~1919 |
| Mary Evans | Daughter | — | 14 | ~1916 |
| Mary Evans | Spouse | — | 46 | ~1884 |
| Richard Evans | Son | — | 17 | ~1913 |
Census Appearances
1920
Polk, Iowa
Son, age 7
Polk, Iowa · implied b. ~1913 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Evans |
| Given Name | Richard J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Iowa |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Polk, Iowa
Son, age 17
Polk, Iowa · implied b. ~1913 — 6 household members
| Surname | Evans |
| Given Name | Richard L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Iowa |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Polk-County, Iowa
Head, age 28
Polk-County, Iowa · implied b. ~1912 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Evan |
| Given Name | Richard J |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Des Moines City |
| 1935 Residence (County) | Polk |
| Occupation | Employee |
| Industry | Restaurant |
| Class of Worker | E |
| Hours Worked | 56 |
| 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 Evans across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Mary Evans (~0.92 confidence) and father Richard Evans (~0.92 confidence) and mother Mary Evans (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Mary Evans
b. ~1881
Source mother
● Household
· direct · ~0.92
Father
Richard Evans
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Mary Evans
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Richard Evans
Son · 1930 · age 17 · b. ~1913 · Iowa
★ You are viewing this record
Sibling
William Evans
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Evans
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Evans
Sibling · 1930 · age 11
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
1930 US Federal Census — Polk, Iowa
Open full size
1930 US Federal Census — Polk, Iowa
Page Contents
49 people indexed on this census page (ia:1930:iowacensus00reel673:0639)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Earl Orf | 39 | Head | Clergyman | Colorado |
| 52 | Ella Orf | 39 | Wife | — | Colorado |
| 53 | Louise Orf | 20 | Daughter | — | Missouri |
| 54 | Joseph J. Griesbaum | 47 | Head | Mechanic | Iowa |
| 55 | Addie L. Griesbaum | 41 | Wife | — | Iowa |
| 56 | Wilfred Griesbaum | 21 | Son | Salesman | Iowa |
| 57 | Mary J. Griesbaum | 20 | Daughter | — | Iowa |
| 58 | Francis Griesbaum | 18 | Son | — | Iowa |
| 59 | Ruth M. Griesbaum | 16 | Daughter | — | Iowa |
| 60 | Loretta K. Griesbaum | 11 | Daughter | — | Iowa |
| 61 | Joseph C. Griesbaum | 5 | Son | — | Iowa |
| 62 | Clarence A. Benedict | 47 | Head | Carpenter | Iowa |
| 63 | Josephine M. Benedict | 46 | Wife | — | Iowa |
| 64 | Mary Link | 14 | Niece | — | Iowa |
| 65 | J. Walter Boyt | 40 | Head | Proprietor | Iowa |
| 66 | Helen Boyt | 42 | Wife | — | Iowa |
| 67 | Robert Boyt | 5 | Son | — | Iowa |
| 68 | James Boyt | 4 | Son | — | Iowa |
| 69 | Kathleen Boyt | 1 | Daughter | — | Iowa |
| 70 | Julia Goldsberry | 48 | Servant | Servant | Iowa |
| 71 | Jesse E. Muhlmert | 60 | Head | Engineer | Illinois |
| 72 | Janetta Muhlmert | 52 | Wife | — | Illinois |
| 73 | Jean Muhlmert | 22 | Daughter | — | Iowa |
| 74 | David Muhlmert | 9 | Adopted Son | — | Montana |
| 75 | Frank W. Stephens | 67 | Head | Engineer | New York |
| 76 | Nettie Stephens | 70 | Wife | — | Iowa |
| 77 | Charles Ballinger | 32 | Head | Mechanic | Iowa |
| 78 | Ruth Ballinger | 35 | Wife | — | Iowa |
| 79 | Charles S. Ballinger | 0 | Son | — | Iowa |
| 80 | Minnie Stark | 57 | Head | — | Sweden |
| 81 | Henry Herr | 36 | Head | Farmer | Missouri |
| 82 | Myla Herr | 36 | Wife | — | Nebraska |
| 83 | Lucy Kirk | 75 | Head | — | Iowa |
| 84 | Myrtle Kirk | 54 | Daughter | — | Ohio |
| 85 | Eugene Maxwell | 61 | Head | Fireman | Ireland Free State |
| 86 | Mina Maxwell | 53 | Wife | — | Iowa |
| 87 | Norman W. Bailey | 67 | Head | Proprietor | New York |
| 88 | Minnie Bailey | 56 | Wife | — | Iowa |
| 89 | John Collins | 68 | Head | Coml Traveler | Iowa |
| 90 | Ruth Collins | 60 | Wife | — | Iowa |
| 91 | Andrew J. Wickland | 72 | Head | Gardner | Sweden |
| 92 | Christina Wickland | 71 | Wife | — | Sweden |
| 93 | Hazel Wickland | 36 | Daughter | Salesman | Iowa |
| 94 | Richard L. Evans | 48 | Head | Salesman | Ohio |
| 95 | Mary Evans | 46 | Wife | — | Iowa |
| 96 | Richard L. Evans THIS PERSON | 17 | Son | — | Iowa |
| 97 | Mary H. Evans | 14 | Daughter | — | Iowa |
| 98 | Elizabeth Evans | 11 | Daughter | — | Iowa |
| 99 | William F. Evans | 9 | Son | — | Iowa |
Pedigree Summary
Richard + 3 siblings
Gen 1 · 3 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)