JF
John Flaherty — 1940 US Census Record
Model Tree available1940 United States Federal Census · Marquette-County, Michigan
Our Model Tree links this John Flaherty across the 1920, 1930 and 1940 US Censuses in Marquette-County, Michigan (XGBoost, ~Confirmed), with identified parents John & John — first a son (b.~1903), then head of a 4-person household.
Age 37
b. ~1903
Male
Son
Born: Louisiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Marquette-County, Michigan |
| Surname | Flaherty |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | Little Lake |
| 1935 Residence (County) | Marquette |
| Additional Details | |
| Occupation | Merchant |
| Industry | Retail Business |
| Class of Worker | OA |
| Hours Worked | 84 |
| Income (1939) | 614 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Occupation | Merchant |
| Township / Ward | Little Lake |
| Est. Birth Year | ~1903 |
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 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Flaherty | Son | — | 2 | ~1938 |
| Marian Flaherty | Spouse | — | 33 | ~1907 |
| Julia Flaherty | Head | — | 58 | ~1882 |
| John Flaherty | Son | — | 37 | ~1903 |
Census Appearances
1920
Marquette, Michigan
Son, age 16
Marquette, Michigan · implied b. ~1904 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Flaherty |
| Given Name | John A. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Texas |
| Mother's Birthplace | Missouri |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1930
Marquette, Michigan
Son, age 27
Marquette, Michigan · implied b. ~1903 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Flaherty |
| Given Name | John Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Texas |
| Mother's Birthplace | Missouri |
| Occupation | Garage Mechanic |
| Industry | Garage |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1940
Marquette-County, Michigan
Son, age 37
Marquette-County, Michigan · implied b. ~1903 — 4 household members
| Surname | Flaherty |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | Little Lake |
| 1935 Residence (County) | Marquette |
| Occupation | Merchant |
| Industry | Retail Business |
| Class of Worker | OA |
| Hours Worked | 84 |
| Income (1939) | 614 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
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 Flaherty across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Flaherty (~0.92 confidence) and father John Flaherty (~0.92 confidence) and mother Julia Flaherty (~0.92 confidence) and mother Julia Flaherty (~0.92 confidence) and mother Marian Flaherty (~0.50 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.84
Father
John Flaherty
b. ~1868
Source father
● Household
· direct · ~0.92
Father
John Flaherty
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Julia Flaherty
b. ~1882
Source mother
● Household
· direct · ~0.92
Mother
Julia Flaherty
b. ~1883
Source mother
● Household
· direct · ~0.92
Mother
Marian Flaherty
b. ~1907
Source mother
● Household
· direct · ~0.5
This person
Anchor record
John Flaherty
Son · 1940 · age 37 · b. ~1903 · Michigan
★ You are viewing this record
Sibling
John Flaherty
Sibling · 1940 · age 2
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
1940 US Federal Census — Marquette-County, Michigan
Open full size
1940 US Federal Census — Marquette-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01786-00111)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Joseph Peterson | 56 | Head | Pulpwood Cutter | Michigan |
| 2 | Alfred W Peterson | 24 | Son | Peeling Pulp | Michigan |
| 3 | Oscar H Peterson | 20 | Son | Pulpwood Cutter | Michigan |
| 4 | William A Peterson | 19 | Son | Pulpwood Cutter | Michigan |
| 5 | Benjamin Gauthier | 26 | Head | Pulpwood Cutter | Michigan |
| 6 | Lucille Gauthier | 30 | Wife | — | Michigan |
| 7 | Alden J Gauthier | 4 | Son | — | Michigan |
| 8 | Shirley A Gauthier | 0 | Daughter | — | Michigan |
| 9 | Julia Flaherty | 58 | Head | Saleslady | Missouri |
| 10 | John Flaherty THIS PERSON | 37 | Son | Merchant | Louisiana |
| 11 | Marian Flaherty | 33 | Wife | — | Wisconsin |
| 12 | John A Flaherty | 2 | Son | — | Michigan |
| 13 | Leo Brown | 45 | Head | Merchant | Wisconsin |
| 14 | Thora Brown | 44 | Wife | Teaching | Michigan |
| 15 | Marie Brown | 15 | Daughter | — | Michigan |
| 16 | Phyllis Brown | 13 | Daughter | — | Michigan |
| 17 | Howard Setter | 28 | Head | Laborer | Michigan |
| 18 | Agnes Setter | 21 | Wife | — | Michigan |
| 19 | Beverley Setter | 0 | Daughter | — | Michigan |
| 20 | Michael Mrs. Coham | 48 | Head | Laborer | Wisconsin |
| 21 | Myrtle Coham | 48 | Wife | — | Michigan |
| 22 | Michael Jr Coham | 11 | Son | — | Wisconsin |
| 23 | Edith Samuelson | 51 | Head | — | Wisconsin |
| 24 | Jack Samuelson | 24 | Son | Section Hand | Michigan |
| 25 | Earl Coham | 23 | Son-in-law | Laborer | Michigan |
| 26 | Bernice Coham | 22 | Daughter | — | Michigan |
| 27 | Carol Coham | 3 | Daughter | — | Michigan |
| 28 | Thomas Neville | 55 | Lodger | Section Hand | Michigan |
| 29 | Howard Kellstrom | 22 | Lodger | Mailman | Michigan |
| 30 | Richard Vekely | 44 | Head | Pulpwood Cutter | Michigan |
| 31 | Antionette Vekely | 39 | Wife | — | Michigan |
| 32 | Richard J Vekely | 16 | Son | — | Wisconsin |
| 33 | Jean Vekely | 10 | Daughter | — | Michigan |
| 34 | Edward Kaboch | 31 | Head | Trucking | Michigan |
| 35 | Erma Kaboch | 26 | Wife | — | Minnesota |
| 36 | Vivian Kaboch | 10 | Daughter | — | Minnesota |
| 37 | Edward F Kaboch | 7 | Son | — | Minnesota |
| 38 | Richard Kaboch | 6 | Son | — | Michigan |
| 39 | Daniel Kaboch | 5 | Son | — | Michigan |
| 40 | Keith Kaboch | 4 | Son | — | Michigan |
Pedigree Summary
John + 1 sibling
Gen 1 · 5 parents
~0.84
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 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)