JC
John Curran — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cuyahoga-County, Ohio
Our Model Tree links this John Curran across the 1930 and 1940 US Censuses in Cuyahoga-County, Ohio (XGBoost, ~Confirmed) — first a son (b.~1927), then head of a 11-person household.
Age 13
b. ~1927
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cuyahoga-County, Ohio |
| Surname | Curran |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Cleveland |
| 1935 Residence (County) | Cuyahoga |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Cleveland |
| Est. Birth Year | ~1927 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Genevieve Curran | Daughter | — | 11 | ~1929 |
| Robert Curran | Son | — | 10 | ~1930 |
| Lenora Curran | Daughter | — | 6 | ~1934 |
| Genevieve Curran | Spouse | — | 43 | ~1897 |
| Thomas Curran | Son | — | 4 | ~1936 |
| Mary Curran | Daughter | — | 8 | ~1932 |
| John Curran | Son | — | 13 | ~1927 |
| Joseph Curran | Son | — | 7 | ~1933 |
| James Curran | Son | — | 7 | ~1933 |
| James Curran | Head | — | 43 | ~1897 |
| Paul Curran | Son | — | 14 | ~1926 |
Census Appearances
1930
Cuyahoga, Ohio
Son, age 3
Cuyahoga, Ohio · implied b. ~1927 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Curran |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Illinois |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Cuyahoga-County, Ohio
Son, age 13
Cuyahoga-County, Ohio · implied b. ~1927 — 11 household members
| Surname | Curran |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Cleveland |
| 1935 Residence (County) | Cuyahoga |
| Class of Worker | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| 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 Curran across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Curran
Son · 1940 · age 13 · b. ~1927 · Ohio
★ You are viewing this record
Sibling
Mary Curran
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Curran
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Curran
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Curran
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lenora Curran
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Genevieve Curran
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Curran
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Curran
Sibling · 1940 · age 10
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 — Cuyahoga-County, Ohio
Open full size
1940 US Federal Census — Cuyahoga-County, Ohio
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-03228-00413)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | William H. Mayer | 25 | Son-in-law | Tool Maker | Ohio |
| 42 | Margaret Osborn | 34 | Lodger | Landscape Gardener | Ohio |
| 43 | Albert Williams | 30 | Lodger | Landscape Gardener | Ohio |
| 44 | Harriet Williams | 47 | Servant | Housekeeper | Ohio |
| 45 | Elizabeth Cogswell | 70 | Head | — | England |
| 46 | Catherine Young | 30 | Daughter | Maid | Scotland |
| 47 | Grell Mcfadyen | 49 | Servant | Cook | Scotland |
| 48 | Jean Sister | 36 | Mother | — | Ohio |
| 49 | Feldgarde Vista | 46 | Sister | — | Austria |
| 50 | Sister Agnes | 30 | Sister | — | Ohio |
| 51 | Sister Pauline | 29 | Sister | — | Pennsylvania |
| 52 | Sister Marie | 28 | Sister | — | Pennsylvania |
| 53 | Sister Teresa | 20 | Sister | — | Ohio |
| 54 | Mary A. Donovan | 95 | Sister | — | Massachusetts |
| 55 | Alice Anisfield | 70 | Head | — | New York |
| 56 | Edith Wolf | 45 | Daughter | — | Ohio |
| 57 | Eugene Wolf | 52 | Son-in-law | Lawyer | Ohio |
| 58 | Herman Maas | 35 | Head | — | Hungary |
| 59 | Malvina Kaplan | 72 | Sister | — | Hungary |
| 60 | Elizabeth Young | 30 | Servant | Housekeeper | Jugo-Slavia |
| 61 | James Curran | 43 | Head | Physician | Ohio |
| 62 | Genevieve Curran | 43 | Wife | — | Illinois |
| 63 | Paul Curran | 14 | Son | — | Ohio |
| 64 | John Curran THIS PERSON | 13 | Son | — | Ohio |
| 65 | Genevieve Curran | 11 | Daughter | — | Ohio |
| 66 | Robert Curran | 10 | Son | — | Ohio |
| 67 | Mary Curran | 8 | Daughter | — | Ohio |
| 68 | James Curran | 7 | Son | — | Ohio |
| 69 | Joseph Curran | 7 | Son | — | Ohio |
| 70 | Lenora Curran | 6 | Daughter | — | Ohio |
| 71 | Thomas Curran | 4 | Son | — | Ohio |
| 73 | Robert D. Jr. Quincy | 25 | Head | Inspector | Washington |
| 74 | Mary J. Quincy | 21 | Wife | — | Ohio |
| 75 | Patricia Quincy | 0 | Daughter | — | Ohio |
| 76 | Harry Jr. Rarr | 31 | Brother-in-law | Attorney | Ohio |
| 77 | Sarah E. Rarr | 40 | Sister-in-law | — | Ohio |
| 78 | Martha Denser | 50 | Servant | Maid | Maryland |
| 79 | George Denser | 62 | Servant | Helper | Maryland |
| 80 | Helen Wagner | 31 | Lodger | Housekeeper | Pennsylvania |
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)