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John Ryan — 1940 US Census Record
Model Tree available1940 United States Federal Census · Hamilton-County, Ohio
Our Model Tree links this John Ryan across the 1920, 1930 and 1940 US Censuses in Hamilton-County, Ohio (XGBoost, ~Confirmed), with identified parents M & Catherine — first a son (b.~1899), then head of a 6-person household.
Age 41
b. ~1899
Male
Son
Born: Ohio
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Hamilton-County, Ohio |
| Surname | Ryan |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Cincinnati |
| 1935 Residence (County) | Hamilton |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Cincinnati |
| Est. Birth Year | ~1899 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Catherine Ryan | Daughter | — | 19 | ~1921 |
| Catherine Ryan | Head | — | 65 | ~1875 |
| John Ryan | Son | — | 41 | ~1899 |
| Robert Ryan | Son | — | 41 | ~1899 |
| William Ryan | Son | — | 40 | ~1900 |
| Catherine Ryan | Spouse | — | 61 | ~1879 |
Census Appearances
1920
Hamilton, Ohio
Other, age 20
Hamilton, Ohio · implied b. ~1900 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ryan |
| Given Name | John |
| Relationship to Head | Brother Law |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Michigan |
| Occupation | Traveling salesman |
| Industry | Books |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Hamilton, Ohio
Son, age 30
Hamilton, Ohio · implied b. ~1900 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ryan |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | Special Delivery |
| Industry | Post Office |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Hamilton-County, Ohio
Son, age 41
Hamilton-County, Ohio · implied b. ~1899 — 6 household members
| Surname | Ryan |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Cincinnati |
| 1935 Residence (County) | Hamilton |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| 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 Ryan across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father M Ryan (~0.92 confidence) and mother Catherine Ryan (~0.92 confidence) and mother Catherine Ryan (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
M Ryan
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Catherine Ryan
b. ~1875
Source mother
● Household
· direct · ~0.92
Mother
Catherine Ryan
b. ~1879
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Ryan
Son · 1940 · age 41 · b. ~1899 · Ohio
★ You are viewing this record
Sibling
Robert Ryan
Sibling · 1940 · age 41
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Ryan
Sibling · 1940 · age 40
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Ryan
Sibling · 1940 · age 19
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 — Hamilton-County, Ohio
Open full size
1940 US Federal Census — Hamilton-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03190-00017)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Maude Gray | 60 | Sister | — | Indiana |
| 42 | Albert Gray | 88 | Brother | — | Indiana |
| 43 | Sena Bradley | 61 | Head | — | Missouri |
| 44 | Mary Hawkins | 59 | Head | — | Ohio |
| 45 | Ella Lehan | 73 | Head | — | Canada-Eng |
| 46 | Agnes Fuchs | 64 | Head | — | Iowa |
| 47 | Leo Fuchs | 46 | Son | — | Iowa |
| 48 | Harriet Clucker | 63 | Head | — | Ohio |
| 49 | John Long | 58 | Lodger | Laborer | Ohio |
| 50 | Margaret Burns | 53 | Head | — | Tennessee |
| 51 | Mattie Sawyers | 75 | Head | Laborer | Kentucky |
| 52 | Elizabeth Tibbs | 57 | Head | Pastry Cook | Ohio |
| 53 | Eleanor Cannon | 35 | Head | Ironer | Ohio |
| 54 | John Campbell | 5 | Son | — | Ohio |
| 55 | Mary Campbell | 34 | Head | Cooking | Ohio |
| 56 | William Wayman | 17 | Son | Seamstress | Ohio |
| 57 | Audrey Wayman | 13 | Daughter | — | Ohio |
| 58 | James Cooper | 21 | Brother | Cellophane | Ohio |
| 59 | Robert Cooper | 19 | Brother | — | Ohio |
| 60 | James Casper | 43 | Uncle | Clerk | Ohio |
| 61 | Verna Stephens | 56 | Head | New-Worker | Kentucky |
| 62 | Chester Stephens | 33 | Son | Sub Foreman | Kentucky |
| 63 | Herman Stephens | 27 | Son | — | Kentucky |
| 64 | Winnie Stephens | 20 | Daughter-in-law | Packer | Kentucky |
| 65 | Jackie Stephens | 10 | Grandson | Packer | Ohio |
| 66 | Norman Stephens | 9 | Grandson | — | Ohio |
| 67 | Shirley Stephens | 6 | Granddaughter | — | Ohio |
| 68 | Donald Stephens | 4 | Grandson | — | Ohio |
| 69 | Catherine Ryan | 65 | Head | — | Tennessee |
| 70 | John Ryan THIS PERSON | 41 | Son | — | Ohio |
| 71 | Catherine Ryan | 61 | Wife | Porter | Ohio |
| 72 | Catherine Ryan | 19 | Daughter | — | Ohio |
| 73 | Robert Ryan | 41 | Son | — | Ohio |
| 74 | William Ryan | 40 | Son | — | Ohio |
| 75 | Dennis Conway | 64 | Head | Advertising | Ohio |
| 76 | Leona Conway | 62 | Wife | Truck Driver | Ohio |
| 77 | John Conway | 26 | Son | — | Ohio |
| 78 | Edwin Biltz | 41 | Son | Usher | Kentucky |
| 79 | Block Hue Ends | 14 | 9 and | Public Bldg. | — |
| 80 | May Farrell | 46 | Head | Seamstress | Ohio |
Pedigree Summary
John + 3 siblings
Gen 1 · 3 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)