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William Curran — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Essex-County, Massachusetts
Our Model Tree links this William Curran across the 1930 and 1940 US Censuses in Essex-County, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1923), then head of a 8-person household.
Age 17
b. ~1923
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Essex-County, Massachusetts |
| Surname | Curran |
| Given Name | William |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Lawrence City |
| 1935 Residence (County) | Essex |
| Additional Details | |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | H-3 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Lawrence City |
| Est. Birth Year | ~1923 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| William Curran | Head | — | 44 | ~1896 |
| William Curran | Son | — | 17 | ~1923 |
| Patricia Curran | Daughter | — | 6 | ~1934 |
| Mary Curran | Daughter | — | 16 | ~1924 |
| Edwin Curran | Son | — | 14 | ~1926 |
| Sheila Curran | Daughter | — | 2 | ~1938 |
| Helen Curran | Daughter | — | 19 | ~1921 |
| Helen Curran | Spouse | — | 36 | ~1904 |
Census Appearances
1930
Essex, Massachusetts
Son, age 6
Essex, Massachusetts · implied b. ~1924 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Curren |
| Given Name | William C Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | England |
| Can Read/Write | No |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Essex-County, Massachusetts
Son, age 17
Essex-County, Massachusetts · implied b. ~1923 — 8 household members
| Surname | Curran |
| Given Name | William |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Lawrence City |
| 1935 Residence (County) | Essex |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | H-3 |
| 1935 Residence | Same place |
| 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 William Curran across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Curran
Son · 1940 · age 17 · b. ~1923 · Massachusetts
★ You are viewing this record
Sibling
Sheila Curran
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patricia Curran
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edwin Curran
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Curran
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Curran
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 — 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-t0627-01583-01018)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William P. Curran | 44 | head | Fireman | Massachusetts |
| 2 | Helen J. Curran | 36 | wife | — | New York |
| 3 | William Curran THIS PERSON | 17 | son | — | Massachusetts |
| 4 | Edwin Curran | 14 | son | — | New Hampshire |
| 5 | Helen Curran | 19 | daughter | Waitress | Massachusetts |
| 6 | Mary Curran | 16 | daughter | — | Massachusetts |
| 7 | Patricia Curran | 6 | daughter | — | Massachusetts |
| 8 | Sheila Curran | 2 | daughter | — | Massachusetts |
| 9 | George Moore | 30 | head | Fireman | Kentucky |
| 10 | Helen Moore | 33 | wife | — | Massachusetts |
| 11 | Jacqueline Moore | 1 | daughter | — | Massachusetts |
| 12 | Charles Saider | 56 | head | Weaving | Canada |
| 13 | Blanche Saider | 47 | wife | Doffing | Canada |
| 14 | Chenille Saider | 18 | son | — | Massachusetts |
| 15 | Marianne Saider | 17 | daughter | — | Massachusetts |
| 16 | Colomb Saider | 13 | daughter | — | Massachusetts |
| 17 | Fred Bistany | 45 | head | Proprietor | Syria |
| 18 | Emaline Bistany | 29 | wife | — | Massachusetts |
| 19 | Alfred Bistany | 11 | son | — | Massachusetts |
| 20 | Fuad Bistany | 8 | son | — | Massachusetts |
| 21 | George Bistany | 3 | son | — | Massachusetts |
| 22 | Rashid Bistany | 52 | brother | Partner | Syria |
| 23 | Hattar Andrew | 43 | head | Printing | Syria |
| 24 | Rose Andrew | 34 | wife | — | Massachusetts |
| 25 | Joseph Andrew | 7 | son | — | Massachusetts |
| 26 | Mary Andrew | 3 | daughter | — | Massachusetts |
| 27 | Emmanuel Mason | 54 | head | Dyeing | Syria |
| 28 | Mary Mason | 54 | wife | Mending | Syria |
| 29 | Mabel Mason | 26 | daughter | — | Massachusetts |
| 30 | Richard Mason | 23 | son | Trucking | Vermont |
| 31 | James Assid | 31 | son | — | Massachusetts |
| 32 | Leona Assid | 20 | wife | — | Massachusetts |
| 33 | James G. Dalan | 39 | head | Fireman | Massachusetts |
| 34 | Lillian E. Dalan | 37 | wife | Spinner | Ireland |
| 35 | Daniel F. Mccarthy | 18 | son | — | Massachusetts |
| 36 | Lillian E. Mccarthy | 15 | daughter | — | Massachusetts |
| 37 | Catherine Brannigan | 27 | niece | Senior Clerk | Northern Ireland |
| 38 | Joseph Markey | 59 | head | Finishing | Ireland |
| 39 | Bridget Markey | 57 | wife | — | Ireland |
| 40 | Joseph L. Markey | 24 | son | Press Room | Massachusetts |
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)