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James Riley — 1930 US Census Record
Model Tree available1930 United States Federal Census · Black Hawk, Iowa
Our Model Tree links this James Riley across the 1920, 1930 and 1940 US Censuses in Black Hawk, Iowa (XGBoost, ~Confirmed), with identified parents Joseph & Bessie — first a son (b.~1915), then head of a 6-person household.
Age 15
b. ~1915
Male
Son
Born: Iowa
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Black Hawk, Iowa |
| Surname | Riley |
| Given Name | James W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Wisconsin |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Waterloo City |
| Est. Birth Year | ~1915 |
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 James | Age | Birth yr |
|---|---|---|---|---|
| Ruth Riley | Daughter | — | 18 | ~1912 |
| Geneva Riley | Daughter | — | 9 | ~1921 |
| Joseph Riley | Head | — | 56 | ~1874 |
| Eric Nygren | Other | — | 24 | ~1906 |
| James Riley | Son | — | 15 | ~1915 |
| Jessie Riley | Spouse | — | 48 | ~1882 |
Census Appearances
1920
Black Hawk, …
Son, age 5
Black Hawk, Iowa · implied b. ~1915 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Riley |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Wisconsin |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Black Hawk, …
Son, age 15
Black Hawk, Iowa · implied b. ~1915 — 6 household members
| Surname | Riley |
| Given Name | James W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Wisconsin |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Black-Hawk-County, Iowa
Head, age 25
Black-Hawk-County, Iowa · implied b. ~1915 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Riley |
| Given Name | Jim W |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Waterloo |
| 1935 Residence (County) | Black Hawk |
| Occupation | Laborer Service |
| Industry | Tractor factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1500 |
| Highest Grade | Hs 4 |
| 1935 Residence | Iowa |
| 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 James Riley across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Joseph Riley (~0.92 confidence) and mother Bessie Riley (~0.92 confidence) and mother Jessie Riley (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Joseph Riley
b. ~1874
Source father
● Household
· direct · ~0.92
Mother
Bessie Riley
b. ~1882
Source mother
● Household
· direct · ~0.92
Mother
Jessie Riley
b. ~1882
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Riley
Son · 1930 · age 15 · b. ~1915 · Iowa
★ You are viewing this record
Sibling
Ruth Riley
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Geneva Riley
Sibling · 1930 · age 9
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 — Black Hawk, Iowa
Open full size
1930 US Federal Census — Black Hawk, Iowa
Page Contents
50 people indexed on this census page (ia:1930:iowacensus00reel643:0158)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Frank Hubbard | 24 | Head | Coremaker | Iowa |
| 52 | Leona Hubbard | 20 | Wife | None | Iowa |
| 53 | Mary Lou Hubbard | 1 | Daughter | None | Iowa |
| 54 | Nick Byankoff | 30 | Lodger | Machinist | Russia |
| 55 | John Byankoff | 32 | Lodger | Machinist | Russia |
| 56 | John Byankoff | 38 | Lodger | Machinist | Russia |
| 57 | Delmont E. Talbot | 36 | Head | Lineman | Iowa |
| 58 | Katherine Talbot | 35 | Wife | None | Kentucky |
| 59 | Deward Talbot | 5 | Son | None | Iowa |
| 60 | Ida Yarrington | 26 | Lodger | Draftsman | Iowa |
| 61 | Gertrude J. Wilson | 48 | Head | Saleswoman | South Dakota |
| 62 | Anton E. Lorenzen | 44 | Head | Dry Cleaner | Germany |
| 63 | Marie Lorenzen | 40 | Wife | None | Germany |
| 64 | Marguerite Lorenzen | 17 | Daughter | None | Germany |
| 65 | Helen Lorenzen | 12 | Daughter | None | Iowa |
| 66 | Arlene Lorenzen | 5 | Daughter | None | Iowa |
| 67 | Clyde Huntley | 25 | Head | Truck Driver | Iowa |
| 68 | Dorothy Huntley | 24 | Wife | None | Iowa |
| 69 | Joseph L. Riley | 56 | Head | Salesman | Wisconsin |
| 70 | Jessie M. Riley | 48 | Wife | None | Wisconsin |
| 71 | Ruth E. Riley | 18 | Daughter | Bookkeeper | Nebraska |
| 72 | James W. Riley THIS PERSON | 15 | Son | None | Iowa |
| 73 | Geneva M. Riley | 9 | Daughter | None | Iowa |
| 74 | Eric Nygren | 24 | Lodger | Laborer | Sweden |
| 75 | George Pinkerton | 49 | Head | Machinist | Iowa |
| 76 | Leah Pinkerton | 41 | Wife | None | Iowa |
| 77 | Harriet Pinkerton | 21 | Daughter | Bookkeeper | Iowa |
| 78 | Elmer Crooks | 23 | Lodger | Machinist | Iowa |
| 79 | Harry Cashweiler | 29 | Lodger | Truck Driver | Iowa |
| 80 | Fred G. Nugent | 57 | Head | Cashier | Wisconsin |
| 81 | Louise Nugent | 55 | Wife | None | Germany |
| 82 | Alice Nugent | 21 | Daughter | Stenographer | Iowa |
| 83 | Gertrude Nugent | 19 | Daughter | Stenographer | Iowa |
| 84 | John A. Swift | 69 | Head | Salesman | Wisconsin |
| 85 | Susan J. Swift | 67 | Wife | None | Prussia |
| 86 | Thomas E. Wood | 35 | Head | Laborer | Iowa |
| 87 | Jeanette Wood | 30 | Wife | None | Iowa |
| 88 | Robert Wood | 9 | Son | None | Iowa |
| 89 | George Zelinger | 45 | Lodger | Salesman | Kentucky |
| 90 | Harry E. Hill | 24 | Head | Electrician | Illinois |
| 91 | Hazel Hill | 22 | Wife | None | Kansas |
| 92 | Robert H. Hill | 5 | Son | None | Iowa |
| 93 | Harold Beecher | 26 | Lodger | Machinist | Iowa |
| 94 | James G. Smith | 49 | Head | Carpenter | Scotland |
| 95 | Jessie Smith | 44 | Wife | None | Scotland |
| 96 | Janet Smith | 18 | Daughter | None | Iowa |
| 97 | Donald Smith | 16 | Son | None | Iowa |
| 98 | Alice Smith | 10 | Daughter | None | Iowa |
| 99 | Erastus S. Comfort | 71 | Head | None | Illinois |
| 100 | Anna Comfort | 63 | Wife | None | Iowa |
Pedigree Summary
James + 2 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)