JC
John Clancy — 1940 US Census Record
Model Tree available1940 United States Federal Census · Essex-County, Massachusetts
Our Model Tree links this John Clancy across the 1920, 1930 and 1940 US Censuses in Essex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Luella & Nellie — first a head (b.~1911), then head of a 5-person household.
Age 29
b. ~1911
Male
Head
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Essex-County, Massachusetts |
| Surname | Clancy |
| Given Name | John F |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | East Hampton |
| Additional Details | |
| Occupation | WPA Laborer |
| Industry | Water Dept |
| Class of Worker | GW |
| Hours Worked | 30 |
| Income (1939) | 580 |
| Highest Grade | No 8 |
| 1935 Residence | New York |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Wpa Laborer |
| Township / Ward | Ipswich |
| Est. Birth Year | ~1911 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Ruth Clancy | Spouse | — | 26 | ~1914 |
| Ruth Clancy | Daughter | — | 6 | ~1934 |
| Jacqueline Clancy | Daughter | — | 5 | ~1935 |
| John Clancy | Head | — | 29 | ~1911 |
| John Clancy | Son | — | 3 | ~1937 |
Census Appearances
1920
Essex, Massachusetts
Son, age 7
Essex, Massachusetts · implied b. ~1913 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clancy |
| Given Name | John H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Maine |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Essex, Massachusetts
Son, age 18
Essex, Massachusetts · implied b. ~1912 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clancy |
| Given Name | John H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Maine |
| Occupation | Fisherman |
| Industry | Clam Digger |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Essex-County, Massachusetts
Head, age 29
Essex-County, Massachusetts · implied b. ~1911 — 5 household members
| Surname | Clancy |
| Given Name | John F |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | East Hampton |
| Occupation | WPA Laborer |
| Industry | Water Dept |
| Class of Worker | GW |
| Hours Worked | 30 |
| Income (1939) | 580 |
| Highest Grade | No 8 |
| 1935 Residence | New York |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
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 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Luella Clancy (~0.92 confidence) and mother Nellie Clancy (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Luella Clancy
b. ~1877
Source mother
● Household
· direct · ~0.92
Mother
Nellie Clancy
b. ~1875
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Clancy
Head · 1940 · age 29 · b. ~1911 · Massachusetts
★ 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 — Essex-County, Massachusetts
Open full size
1940 US Federal Census — Essex-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01582-00008)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | File Patrick William D Murray | 57 | Boarder | Electrician | English Canada |
| 2 | George H Chadwell | 52 | Head | Trucker-Helper | Massachusetts |
| 3 | Elsie M Chadwell | 51 | Wife | — | Massachusetts |
| 4 | Sara A Worcester | 72 | Mother | — | Maine |
| 5 | Wilber E Dupray | 57 | Head | Farmer | Massachusetts |
| 6 | Philomena Dupray | 47 | Wife | — | Massachusetts |
| 7 | Joseph W Dupray | 25 | Son | Truck Driver | Massachusetts |
| 8 | E Chester Lord | 67 | Head | Farmer | Massachusetts |
| 9 | Annie L Lord | 64 | Wife | — | Massachusetts |
| 10 | Hester M Maitel | 39 | Daughter | — | Massachusetts |
| 11 | Wilfred J Maitel | 39 | Son-in-law | Farmer | Massachusetts |
| 12 | Wilfred Jr Maitel | 15 | Son | — | Massachusetts |
| 13 | Edward H Smith | 63 | Head | Carpenter | Massachusetts |
| 14 | Mary A Smith | 65 | Wife | — | Massachusetts |
| 15 | Elizabeth H Smith | 92 | Mother | — | Massachusetts |
| 16 | Thomas G Gould | 66 | Head | Court Officer | Massachusetts |
| 17 | Grace A Gould | 60 | Wife | — | Massachusetts |
| 18 | Thomas G Jr Gould | 22 | Son | Mailing Clerk | Massachusetts |
| 19 | Harold B Roper | 38 | Head | Gardner | Massachusetts |
| 20 | Beatrice E Roper | 35 | Wife | — | Massachusetts |
| 21 | Maude E Choinard | 54 | Head | — | English Canada |
| 22 | Sophia F Witham | 30 | Daughter | Covering Heels | Massachusetts |
| 23 | Evelyn Wallace | 24 | Daughter | Sewing | New Hampshire |
| 24 | Alfred Choinard | 5 | Son | — | Massachusetts |
| 25 | Claudette Wallace | 2 | Granddaughter | — | Massachusetts |
| 26 | John F Clancy THIS PERSON | 29 | Head | Wpa Laborer | Massachusetts |
| 27 | Ruth K Clancy | 26 | Wife | — | New York |
| 28 | Ruth B Clancy | 6 | Daughter | — | New York |
| 29 | Jacqueline L Clancy | 5 | Daughter | — | New York |
| 30 | John J Clancy | 3 | Son | — | Massachusetts |
| 31 | — | None | — | — | — |
| 32 | Jennie K Holmes | 75 | Head | — | New Hampshire |
| 33 | Margaret Holmes | 87 | Sister-in-law | — | Massachusetts |
| 34 | Benjamin W Norman | 45 | Head | Supt. Cemetery | Massachusetts |
| 35 | Gladys M Norman | 41 | Wife | — | Massachusetts |
| 36 | Bruce W Norman | 16 | Son | — | Massachusetts |
| 37 | Terrie M Norman | 12 | Daughter | — | Massachusetts |
| 38 | Austin L Lunt | 82 | Head | — | Massachusetts |
| 39 | Arthur S Lunt | 54 | Son | Official | Massachusetts |
| 40 | Annie Crowell | 68 | Housekeeper | Housekeeper | England |
Pedigree Summary
John
Gen 1 · 2 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)