JF
John Fitzgerald — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cuyahoga-County, Ohio
Our Model Tree links this John Fitzgerald across the 1910, 1920, 1930 and 1940 US Censuses in Cuyahoga-County, Ohio (XGBoost, ~Confirmed), with identified parents John & John — first a head (b.~1905), then head of a 4-person household.
Age 35
b. ~1905
Male
Head
Born: Ohio
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cuyahoga-County, Ohio |
| Surname | Fitzgerald |
| Given Name | John J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Garfield Hts |
| 1935 Residence (County) | Cuyahoga |
| Additional Details | |
| Occupation | foreman |
| Industry | utility gas co. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2160 |
| Highest Grade | C 2 |
| 1935 Residence | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Foreman |
| Township / Ward | Newburgh Heights |
| Est. Birth Year | ~1905 |
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 |
|---|---|---|---|---|
| Joyce Fitzgerald | Daughter | — | 8 | ~1932 |
| John Fitzgerald | Head | — | 35 | ~1905 |
| John Fitzgerald | Son | — | 2 | ~1938 |
| Myrtle Fitzgerald | Spouse | — | 34 | ~1906 |
Census Appearances
1910
Cuyahoga, Ohio
Son, age 5
Cuyahoga, Ohio · implied b. ~1905 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Fitzgerald |
| Given Name | John J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | none |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1920
Cuyahoga, Ohio
Son, age 15
Cuyahoga, Ohio · implied b. ~1905 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Fitzgerald |
| Given Name | John |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Cuyahoga, Ohio
Son, age 25
Cuyahoga, Ohio · implied b. ~1905 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Fitzgerald |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | Clerk |
| Industry | Post Office |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Cuyahoga-County, Ohio
Head, age 35
Cuyahoga-County, Ohio · implied b. ~1905 — 4 household members
| Surname | Fitzgerald |
| Given Name | John J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Garfield Hts |
| 1935 Residence (County) | Cuyahoga |
| Occupation | foreman |
| Industry | utility gas co. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2160 |
| Highest Grade | C 2 |
| 1935 Residence | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 Fitzgerald across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Fitzgerald (~0.92 confidence) and father John Fitzgerald (~0.92 confidence) and father John Fitzgerald (~0.92 confidence) and mother Regina Fitzgerald (~0.92 confidence) and mother Alice Fitzgerald (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Fitzgerald
b. ~1872
Source father
● Household
· direct · ~0.92
Father
John Fitzgerald
b. ~1872
Source father
● Household
· direct · ~0.92
Father
John Fitzgerald
b. ~1872
Source father
● Household
· direct · ~0.92
Mother
Regina Fitzgerald
b. ~1872
Source mother
● Household
· direct · ~0.92
Mother
Alice Fitzgerald
b. ~1876
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Fitzgerald
Head · 1940 · age 35 · b. ~1905 · Ohio
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Cuyahoga-County, Ohio
Open full size
1940 US Federal Census — Cuyahoga-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03056-00870)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Helen Makowski | 10 | Boarder | — | Ohio |
| 42 | Robert Makowski | 9 | Boarder | — | Ohio |
| 43 | Caroline Kohut | 42 | Head | Winder | Pennsylvania |
| 44 | Joseph F. Kohut | 22 | Son | Machine Operator | Pennsylvania |
| 45 | Stella H. Kohut | 20 | Daughter-in-law | Machine Operator | Pennsylvania |
| 46 | Pauline P. Green | 35 | Sister | Machine Operator | Poland |
| 47 | Ernest Green | 8 | Nephew | — | Ohio |
| 48 | Mary M. Zick | 50 | Head | Machine Operator | Poland |
| 49 | Leona D. Zick | 28 | Daughter | Sewer | Pennsylvania |
| 50 | Henry R. Zick | 26 | Son | Attendant | Pennsylvania |
| 51 | Jean G. Zick | 23 | Daughter | Cashier | Pennsylvania |
| 52 | Stanley S. Zick | 21 | Son | Attendant | Pennsylvania |
| 53 | Cecelia D. Zick | 17 | Daughter | — | Pennsylvania |
| 54 | Bert F. Tinski | 52 | Head | Boiler Maker | Ohio |
| 55 | Helen D. Tinski | 48 | Wife | — | Ohio |
| 56 | Eugene B. Tinski | 6 | Son | — | Ohio |
| 57 | John F. Ciemnoczolowski | 58 | Brother-in-law | Machinist | Germany |
| 58 | Jacob Buszkiewicz | 76 | Head | — | Poland |
| 59 | Casaphin Buszkiewicz | 69 | Wife | — | Poland |
| 60 | Boleslaus Buszkiewicz | 42 | Son | Inspector | Ohio |
| 61 | Anna B. Mrozinski | 56 | Head | Cleaning Woman | Ohio |
| 62 | Eleanor Mrozinski | 18 | Daughter | 2Nd Assembler | Ohio |
| 63 | George J. Dorley | 45 | Nephew | Pressman | Ohio |
| 64 | Helen M. Dorley | 45 | Niece | Machine Operator | Ohio |
| 65 | Wrong Information From Neighbor | None | — | — | — |
| 66 | John Szydlowski | 44 | Head | Machinist | Ohio |
| 67 | Stella Szydlowski | 42 | Wife | Labeler | Indiana |
| 68 | Irene Szydlowski | 21 | Daughter | Machine Operator | Ohio |
| 69 | Joseph Trec | 32 | Head | Machinist | Czechoslovakia |
| 70 | Jennie S. Trec | 34 | Wife | — | Ohio |
| 71 | Joseph Trec | 15 | Son | — | Ohio |
| 72 | Joan Trec | 1 | Daughter | — | Ohio |
| 73 | Stanley J. Jakubowski | 55 | Head | Laborer | Poland |
| 74 | Hattie B. Jakubowski | 55 | Wife | — | Ohio |
| 75 | John J. Fitzgerald THIS PERSON | 35 | Head | Foreman | Ohio |
| 76 | Myrtle M. Fitzgerald | 34 | Wife | — | Ohio |
| 77 | Joyce M. Fitzgerald | 8 | Daughter | — | Ohio |
| 78 | John M. Fitzgerald | 2 | Son | — | Ohio |
| 79 | John Gorezyk | 57 | Head | Wire Drawer | Poland |
| 80 | Anna S. Gorezyk | 46 | Wife | — | Ohio |
Related Census Records
Pedigree Summary
John
Gen 1 · 5 parents
~0.92
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)