JH
John Hennessey — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Blue Earth, Minnesota
Our Model Tree links this John Hennessey across the 1900, 1910 and 1920 US Censuses in Blue Earth, Minnesota (XGBoost, ~Confirmed) — first a head (b.~1852), then head of a 4-person household.
Age 68
b. ~1852
Male
Head
Born: Pennsylvania
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Blue Earth, Minnesota |
| Surname | Hennessey |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 68 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | Tailor |
| Industry | Shop |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Tailor |
| Township / Ward | Mankato City |
| Est. Birth Year | ~1852 |
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.
4 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Mary Hennessey | Daughter | — | 24 | ~1896 |
| Bernhard Hennessey | Son | — | 22 | ~1898 |
| Elnora Hennessey | Spouse | — | 60 | ~1860 |
| John Hennessey | Head | — | 68 | ~1852 |
Census Appearances
1900
Blue Earth, …
Head, age 49
Blue Earth, Minnesota · implied b. ~1851 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hennessy |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Birth Month | July |
| Birth Year | 1851 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Write | Farmer |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1910
Blue Earth, …
Head, age 58
Blue Earth, Minnesota · implied b. ~1852 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hennessey |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 58 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Years Married | 30 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Tinner |
| Industry | hardware store |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Blue Earth, …
Head, age 68
Blue Earth, Minnesota · implied b. ~1852 — 4 household members
| Surname | Hennessey |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 68 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Tailor |
| Industry | Shop |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 Hennessey across 3 US Census years (1900, 1910 and 1920) in Blue Earth, Minnesota, using XGBoost record linkage.
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This person
Anchor record
John Hennessey
Head · 1920 · age 68 · b. ~1852 · Minnesota
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Blue Earth, Minnesota
Open full size
1920 US Federal Census — Blue Earth, Minnesota
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu825unit:0296)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Walter Augusta | 19 | Daughter | Saleslady | Minnesota |
| 52 | Keeding Rubella | 1 | Grand-daughter | — | Minnesota |
| 53 | Joel Bergstrom | 37 | Head | Contractor | Sweden |
| 54 | Ines Bergstrom | 38 | Wife | — | Sweden |
| 55 | Knut Helgren | 31 | Brother-in-law | Carpenter | Sweden |
| 56 | Eugene Fitzgerald | 27 | Head | Butcher | Minnesota |
| 57 | Esther Fitzgerald | 25 | Wife | — | Minnesota |
| 58 | Marie Lortz | 45 | Mother-in-law | — | Minnesota |
| 59 | John Miller | 52 | Head | — | Minnesota |
| 60 | Ida Miller | 43 | Wife | — | Minnesota |
| 61 | Lottie Miller | 20 | Daughter | — | Minnesota |
| 62 | Ardella Miller | 17 | Daughter | — | Minnesota |
| 63 | Lloyd Miller | 16 | Son | — | Minnesota |
| 64 | Doris Miller | 6 | Daughter | — | Minnesota |
| 65 | Hans C. George | 33 | Head | Mechanic | Berlin |
| 66 | Rose George | 21 | Wife | — | Minnesota |
| 67 | Otto Wettershick | 31 | Head | Fireman | Minnesota |
| 68 | Martha Wettershick | 26 | Wife | — | Minnesota |
| 69 | Florence Wettershick | 2 | Daughter | — | Minnesota |
| 70 | Frances Wettershick | 0 | Daughter | — | Minnesota |
| 71 | Charles Westermeyer | 46 | Head | Lithographer | Missouri |
| 72 | Agnes Westermeyer | 45 | Wife | — | Missouri |
| 73 | Lucile Westermeyer | 19 | Daughter | Stenographer | Missouri |
| 74 | Ray Westermeyer | 16 | Son | — | Missouri |
| 75 | Vernon Westermeyer | 4 | Son | — | Minnesota |
| 76 | John Hennessey THIS PERSON | 68 | Head | Tailor | Pennsylvania |
| 77 | Elnora Hennessey | 60 | Wife | — | Minnesota |
| 78 | Mary Hennessey | 24 | Daughter | Bookkeeper | Minnesota |
| 79 | Bernhard Hennessey | 22 | Son | Clerk | Minnesota |
| 80 | Anton Standfest | 46 | Head | Cement Mason | Bohemia |
| 81 | Annie Standfest | 45 | Wife | — | Austria |
| 82 | Hedwig Standfest | 16 | Daughter | — | Minnesota |
| 83 | George Standfest | 13 | Son | — | Minnesota |
| 84 | Edward Standfest | 10 | Son | — | Minnesota |
| 85 | Hubert Standfest | 8 | Son | — | Minnesota |
| 86 | August Langhoff | 85 | Head | — | Magburg |
| 87 | Wilhelmina Langhoff | 69 | Wife | — | Magburg |
| 88 | Benjamin Deike | 39 | Head | Drayman | Minnesota |
| 89 | Alvina Deike | 38 | Wife | — | Minnesota |
| 90 | Violet Deike | 12 | Daughter | — | Minnesota |
| 91 | Joseph Smith | 28 | Head | Auditor | Illinois |
| 92 | Maud Smith | 26 | Wife | — | Iowa |
| 93 | Marjorie Smith | 5 | Daughter | — | Minnesota |
| 94 | Marie Smith | 1 | Daughter | — | Minnesota |
| 95 | Ellen Wandereen | 58 | Head | Nurse | Minnesota |
| 96 | Charles Schmidt | 29 | Head | Meter Reader | Minnesota |
| 97 | Katherine Schmidt | 26 | Wife | — | Minnesota |
| 98 | Robert Schmidt | 1 | Son | — | Minnesota |
| 99 | Jeremiah Welch | 65 | Head | Yard Foreman | New York |
| 100 | Helen Welch | 58 | Wife | — | Minnesota |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)