JL
John Laughlin — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Black Hawk, Iowa
Our Model Tree links this John Laughlin across the 1920 and 1930 US Censuses in Black Hawk, Iowa (XGBoost, ~Confirmed) — first a son (b.~1912), then head of a 10-person household.
Age 18
b. ~1912
Male
Son
Born: Iowa
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Black Hawk, Iowa |
| Surname | Laughlin |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Iowa |
| Age at First Marriage | 18 |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Additional Details | |
| Occupation | Laborer |
| Industry | Cabinet Factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Laborer |
| Township / Ward | Waterloo City |
| Est. Birth Year | ~1912 |
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.
10 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Frezenia Laughlin | Daughter | — | 8 | ~1922 |
| Dorothy Laughlin | Daughter | — | 16 | ~1914 |
| John Laughlin | Son | — | 18 | ~1912 |
| Edward Laughlin | Head | — | 41 | ~1889 |
| Audrey Laughlin | Daughter | — | 12 | ~1918 |
| Pearle Laughlin | Other | — | 41 | ~1889 |
| Jacqueline Laughlin | Daughter | — | 6 | ~1924 |
| Loris Laughlin | Son | — | 10 | ~1920 |
| Robert Laughlin | Son | — | 4 | ~1926 |
| Don Laughlin | Son | — | 14 | ~1916 |
Census Appearances
1920
Black Hawk, …
Son, age 9
Black Hawk, Iowa · implied b. ~1911 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Laughlin |
| Given Name | John F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| 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
Black Hawk, …
Son, age 18
Black Hawk, Iowa · implied b. ~1912 — 10 household members
| Surname | Laughlin |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Iowa |
| Age at First Marriage | 18 |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | Laborer |
| Industry | Cabinet Factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| 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 John Laughlin across 2 US Census years (1920 and 1930) in Black Hawk, Iowa, using XGBoost record linkage.
Show:
This person
Anchor record
John Laughlin
Son · 1930 · age 18 · b. ~1912 · Iowa
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Sibling
Don Laughlin
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Laughlin
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Loris Laughlin
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Laughlin
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frezenia Laughlin
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Audrey Laughlin
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jacqueline Laughlin
Sibling · 1930 · age 6
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:iowacensus00reel642:0647)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Priscilla Schroeder | 12 | Daughter | — | Iowa |
| 52 | Goldie Thurber | 27 | Step-dau | Instructor | Nebraska |
| 53 | Axel Held | 27 | Head | Truck Driver | Illinois |
| 54 | Nora N Held | 30 | Wife-H | — | Iowa |
| 55 | Richard Held | 2 | Son | — | Iowa |
| 56 | Charles Graham | 79 | Head | — | Canada-English |
| 57 | Lenora M Graham | 72 | Wife-H | — | Iowa |
| 58 | Blanche Morton | 39 | Daughter | — | Iowa |
| 59 | Arthur Morton | 44 | Son-in-law | Manager | Nebraska |
| 60 | Violet Morton | 14 | Daughter | — | Iowa |
| 61 | Doris Morton | 12 | Daughter | — | Iowa |
| 62 | Bethine Morton | 9 | Daughter | — | Iowa |
| 63 | Frederick Morton | 5 | Son | — | Iowa |
| 64 | Clyde Sommers | 24 | Head | Laborer | Iowa |
| 65 | Jessie Sommers | 23 | Wife-H | — | Minnesota |
| 66 | Larry Sommers | 2 | Son | — | Minnesota |
| 67 | Patsy Sommers | 0 | Daughter | — | Minnesota |
| 68 | Edward Laughlin | 41 | Head | Operator | Iowa |
| 69 | Pearle H Laughlin | 41 | Wife-H | — | Iowa |
| 70 | John Laughlin THIS PERSON | 18 | Son | Laborer | Iowa |
| 71 | Dorothy Laughlin | 16 | Daughter | — | Iowa |
| 72 | Don Laughlin | 14 | Son | — | Iowa |
| 73 | Audrey Laughlin | 12 | Daughter | — | Iowa |
| 74 | Loris Laughlin | 10 | Son | — | Iowa |
| 75 | Frezenia Laughlin | 8 | Daughter | — | Iowa |
| 76 | Jacqueline Laughlin | 6 | Daughter | — | Iowa |
| 77 | Robert Laughlin | 4 | Son | — | Iowa |
| 78 | Edward Elliott | 65 | Head | Printer | Iowa |
| 79 | Alice H Elliott | 56 | Wife-H | — | Iowa |
| 80 | Nannie Snider | 52 | Head | — | Iowa |
| 81 | Jessie Snider | 24 | Daughter | Operator | Iowa |
| 82 | Naomi Snider | 21 | Daughter | Operator | Oklahoma |
| 83 | Cora Snider | 17 | Daughter | Operator | Oklahoma |
| 84 | Robert Snider | 16 | Son | — | Oklahoma |
| 85 | William Snider | 14 | Son | — | Oklahoma |
| 86 | Edgar Snider | 11 | Son | — | Iowa |
| 87 | Betty Jane Snider | 2 | Daughter | — | Iowa |
| 88 | Richard Snider | 26 | Son | Baker | Iowa |
| 89 | Edna Snider | 24 | Daughter-in-law | Maid | Iowa |
| 90 | Richard Snider | 3 | Grandson | — | Iowa |
| 91 | Madeline Adam | 22 | Lodger | Stenographer | Iowa |
| 92 | Frank Wright | 22 | Lodger | — | New York |
| 93 | Anna Wright | 67 | Lodger | — | Iowa |
| 94 | Maurice Kirby | 49 | Head | Carpenter | Iowa |
| 95 | Gertrude H Kirby | 37 | Wife-H | — | Iowa |
| 96 | Stella Christensen | 28 | Sister-in-law | Saleslady | Iowa |
| 97 | Virginia A Kirby | 1 | Daughter | — | Iowa |
| 98 | Fred Joyner | 38 | Head | Conductor | Iowa |
| 99 | Ilene H Joyner | 37 | Wife-H | — | Iowa |
| 100 | Fred Joyner | 6 | Son | — | Iowa |
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)