JC
John Clancy — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Wayne-County, Michigan
Our Model Tree links this John Clancy across the 1930 and 1940 US Censuses in Wayne-County, Michigan (XGBoost, ~Confirmed) — first a son (b.~1917), then head of a 12-person household.
Age 23
b. ~1917
Male
Son
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Wayne-County, Michigan |
| Surname | Clancy |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Detroit |
| 1935 Residence (County) | Wayne |
| Additional Details | |
| Occupation | maintenance |
| Industry | Parks-Boulevard |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 1202 |
| Highest Grade | No 4 |
| 1935 Residence | Same house |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Maintenance |
| Township / Ward | Detroit |
| Est. Birth Year | ~1917 |
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.
12 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Eileen Clancy | Daughter | — | 22 | ~1918 |
| John Clancy | Son | — | 23 | ~1917 |
| Elizabeth Clancy | Other | — | 58 | ~1882 |
| Edward Clancy | Son | — | 14 | ~1926 |
| Ann Clancy | Spouse | — | 56 | ~1884 |
| Mary Clancy | Daughter | — | 18 | ~1922 |
| Robert Clancy | Son | — | 16 | ~1924 |
| John Clancy | Other | — | 2 | ~1938 |
| William Clancy | Son | — | 26 | ~1914 |
| Frank Clancy | Head | — | 60 | ~1880 |
| William Clancy | Other | — | 3 | ~1937 |
| Marian Clancy | Daughter | — | 31 | ~1909 |
Census Appearances
1930
Wayne, Michigan
Son, age 13
Wayne, Michigan · implied b. ~1917 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clancy |
| Given Name | John J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Wayne-County, Michigan
Son, age 23
Wayne-County, Michigan · implied b. ~1917 — 12 household members
| Surname | Clancy |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Detroit |
| 1935 Residence (County) | Wayne |
| Occupation | maintenance |
| Industry | Parks-Boulevard |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 1202 |
| Highest Grade | No 4 |
| 1935 Residence | Same house |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
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 Clancy across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Clancy
Son · 1940 · age 23 · b. ~1917 · Michigan
★ You are viewing this record
Sibling
Eileen Clancy
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Clancy
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Clancy
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Clancy
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Clancy
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marian Clancy
Sibling · 1940 · age 31
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 — Wayne-County, Michigan
Open full size
1940 US Federal Census — Wayne-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01856-00384)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Lucius R Willett | 57 | Head | Machine Operator | Michigan |
| 42 | Evelyn M Willett | 47 | Wife | — | Michigan |
| 43 | Nickolas Becker | 51 | Brother-in-law | Night-Watchman | Michigan |
| 44 | Estella D Becker | 52 | Sister | — | Michigan |
| 45 | Aldridge Schultz | 36 | Head | Glass-Fitter | Michigan |
| 46 | Theresa Schultz | 35 | Wife | — | Michigan |
| 47 | Mary L Schultz | 7 | Daughter | — | Michigan |
| 48 | Doris M Schultz | 5 | Daughter | — | Michigan |
| 49 | Dora M Schultz | 58 | Mother | Punch Press | Ohio |
| 50 | Edward Suvynack | 50 | Lodger | Barber | Finland |
| 51 | Oren A O'Briene | 33 | Head | Truck-Driver | Ohio |
| 52 | Martha O'Briene | 35 | Wife | — | England |
| 53 | Evelyn O'Briene | 10 | Daughter | — | Michigan |
| 54 | Geraldine O'Briene | 1 | Daughter | — | Michigan |
| 55 | George Woods | 35 | Head | Machinist | Kentucky |
| 56 | Bernice Woods | 29 | Wife | — | Michigan |
| 57 | Patricia A Woods | 10 | Daughter | — | Michigan |
| 58 | Jean M Woods | 9 | Daughter | — | Michigan |
| 59 | James D Woods | 8 | Son | — | Michigan |
| 60 | Charles D Woods | 5 | Son | — | Michigan |
| 61 | Raymond Gage | 57 | Father-in-law | Driver | Michigan |
| 62 | Frank G Clancy | 60 | Head | — | Michigan |
| 63 | Ann M Clancy | 56 | Wife | — | Michigan |
| 64 | Marian Clancy | 31 | Daughter | — | Michigan |
| 65 | Eileen Clancy | 22 | Daughter | Book-Keeper | Michigan |
| 66 | Mary R Clancy | 18 | Daughter | — | Michigan |
| 67 | Robert Clancy | 16 | Son | — | Michigan |
| 68 | Edward Clancy | 14 | Son | — | Michigan |
| 69 | William Clancy | 26 | Son | Stock Man | Michigan |
| 70 | Elizabeth A Clancy | 58 | Daughter-in-law | — | Michigan |
| 71 | William Clancy | 3 | Grandson | — | Michigan |
| 72 | John Clancy THIS PERSON | 23 | Son | Maintenance | Michigan |
| 73 | John J Clancy | 2 | Grandson | — | Michigan |
| 74 | Maurice Gillespie | 31 | Head | Stock-Clerk | Pennsylvania |
| 75 | Ann M Gillespie | 26 | Wife | — | New York |
| 76 | Barbara A Gillespie | 8 | Daughter | — | Pennsylvania |
| 77 | Doris A Gillespie | 5 | Daughter | — | Pennsylvania |
| 78 | Matthew J Daly | 24 | Head | Proprietor | Michigan |
| 79 | Hazel R Daly | 21 | Wife | — | Michigan |
| 80 | Josephine Daly | 58 | Mother | — | Michigan |
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)