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John Coughlin — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Cook, Illinois
Our Model Tree links this John Coughlin across the 1930 and 1940 US Censuses in Cook, Illinois (XGBoost, ~Confirmed) — first a head (b.~1877), then head of a 8-person household.
Age 53
b. ~1877
Male
Head
Born: Missouri
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | Coughlin |
| Given Name | John E Jr |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Missouri |
| Age at First Marriage | 21 |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | England |
| Additional Details | |
| Occupation | Violin maker |
| Industry | Factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | $55 |
| Radio Set | R |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Occupation | Violin Maker |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1877 |
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 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Coughlin | Son | — | 29 | ~1901 |
| Ivar Tengren | Other | — | 20 | ~1910 |
| Mamie Coughlin | Spouse | — | 52 | ~1878 |
| Martha Coughlin | Daughter | — | 13 | ~1917 |
| John Coughlin | Head | — | 53 | ~1877 |
| Roy Coughlin | Son | — | 27 | ~1903 |
| Catherine Coughlin | Daughter | — | 17 | ~1913 |
| Russell Coughlin | Son | — | 20 | ~1910 |
Census Appearances
1930
Cook, Illinois
Head, age 53
Cook, Illinois · implied b. ~1877 — 8 household members
| Surname | Coughlin |
| Given Name | John E Jr |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Missouri |
| Age at First Marriage | 21 |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | England |
| Occupation | Violin maker |
| Industry | Factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | $55 |
| Radio Set | R |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Cook-County, Illinois
Head, age 63
Cook-County, Illinois · implied b. ~1877 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Caughlin |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 63 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Occupation | Violin Repair |
| Industry | Musical Instruments |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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 Coughlin across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Coughlin
Head · 1930 · age 53 · b. ~1877 · Illinois
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Cook, Illinois
Open full size
1930 US Federal Census — Cook, Illinois
Page Contents
50 people indexed on this census page (ia:1930:illinoiscensus00reel428:0290)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Mary E Miller | 17 | Daughter | — | Illinois |
| 52 | Charlotte Miller | 15 | Daughter | — | Illinois |
| 53 | Ellen M Reynolds | 18 | Daughter | — | Illinois |
| 54 | William V Becker | 60 | Head | Machinist | Germany |
| 55 | Arthur H Guergens | 48 | Head | Draftsman | Illinois |
| 56 | Mabelle E Guergens | 33 | Wife | — | Minnesota |
| 57 | Lois W Guergens | 12 | Daughter | — | Illinois |
| 58 | Henry E Hille | 62 | Head | Painter | New York |
| 59 | Minnie E Hille | 60 | Wife | — | Ohio |
| 60 | Anthony Duffy | 46 | Head | Laborer | Irish Free State |
| 61 | Julia Duffy | 42 | Wife | — | Irish Free State |
| 62 | James F Duffy | 14 | Son | — | Illinois |
| 63 | Helen M Duffy | 13 | Daughter | — | Illinois |
| 64 | John F Duffy | 10 | Son | — | Illinois |
| 65 | Edward Duffy | 8 | Son | — | Illinois |
| 66 | Arthur Duffy | 7 | Son | — | Illinois |
| 67 | Margaret Duffy | 4 | Daughter | — | Illinois |
| 68 | Belle Hunter | 52 | Head | — | Pennsylvania |
| 69 | Arvilla H Hunter | 26 | Daughter | Seamstress | Pennsylvania |
| 70 | Elizabeth E Stump | 24 | Sister | Stenographer | Ohio |
| 71 | Virginia M Stump | 7 | Granddaughter | — | Illinois |
| 72 | Shirley L Stump | 6 | Granddaughter | — | Illinois |
| 73 | Donald J Hughes | 7 | Grandson | — | Illinois |
| 74 | Orval E Hughes | 5 | Grandson | — | Illinois |
| 75 | John E Jr Coughlin THIS PERSON | 53 | Head | Violin Maker | Missouri |
| 76 | Mamie J Coughlin | 52 | Wife | — | Illinois |
| 77 | John E Jr Coughlin | 29 | Son | Third Man | Missouri |
| 78 | Roy Coughlin | 27 | Son | Stock Boy | Missouri |
| 79 | Russell Coughlin | 20 | Son | Stock Boy | Missouri |
| 80 | Catherine Coughlin | 17 | Daughter | Saleslady | Missouri |
| 81 | Martha Coughlin | 13 | Daughter | — | Illinois |
| 82 | Ivar Tengren | 20 | Boarder | Machinist | Finland |
| 83 | Cornelius H Callaghan | 72 | Head | Porter | Kentucky |
| 84 | Margaret M Callaghan | 71 | Wife | — | England |
| 85 | Cornelius J Callaghan | 47 | Son | Shoecutter | Missouri |
| 86 | Ethel A Burke | 46 | Head | Dressmaker | Indiana |
| 87 | Emma Widman | 37 | Head | Trained Nurse | Illinois |
| 88 | Rufus R Harmon | 33 | Head | Physician Surgeon | Wisconsin |
| 89 | Esther A Harmon | 33 | Wife | — | Denmark |
| 90 | Mary Harmon | 2 | Daughter | — | Wisconsin |
| 91 | Thomas Stewart | 33 | Head | Painter | Scotland |
| 92 | Agnes Stewart | 34 | Wife | — | Scotland |
| 93 | Georgina Stewart | 14 | Daughter | — | Scotland |
| 94 | Elizabeth Stewart | 29 | Sister | Clerk | Scotland |
| 95 | Thomas E Haggitt | 48 | Head | Clerk | England |
| 96 | Elsie M Haggitt | 36 | Wife | Hairdresser | Kansas |
| 97 | Dorothy V Haggitt | 15 | Daughter | — | Colorado |
| 98 | Jepthe D Russell | 43 | Head | Accountant | Indiana |
| 99 | Louise E Russell | 39 | Wife | — | Indiana |
| 100 | Donald S Russell | 17 | Son | — | Illinois |
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)