JL
Joseph Lynch — 1940 US Census Record
Model Tree available1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Joseph Lynch across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Thomas & Elizabeth — first a son (b.~1912), then head of a 6-person household.
Age 28
b. ~1912
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Lynch |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Somerville City |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Occupation | Foreman |
| Industry | Fishing |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1925 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same Place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Foreman |
| Township / Ward | Somerville City |
| Est. Birth Year | ~1912 |
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 Joseph | Age | Birth yr |
|---|---|---|---|---|
| Robert Lynch | Head | — | 53 | ~1887 |
| Peter Lynch | Son | — | 19 | ~1921 |
| Robert Lynch | Son | — | 17 | ~1923 |
| John Lynch | Son | — | 12 | ~1928 |
| Joseph Lynch | Son | — | 28 | ~1912 |
| Annie Lynch | Spouse | — | 49 | ~1891 |
Census Appearances
1920
Middlesex, Massachusetts
Son, age 8
Middlesex, Massachusetts · implied b. ~1912 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lynch |
| Given Name | Joseph |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Ireland |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Son, age 18
Middlesex, Massachusetts · implied b. ~1912 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lynch |
| Given Name | Joseph E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Student |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Son, age 28
Middlesex-County, Massachusetts · implied b. ~1912 — 6 household members
| Surname | Lynch |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Somerville City |
| 1935 Residence (County) | Middlesex |
| Occupation | Foreman |
| Industry | Fishing |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1925 |
| Highest Grade | Hs 4 |
| 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 Joseph Lynch across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Thomas Lynch (~0.92 confidence) and mother Elizabeth Lynch (~0.92 confidence) and father Jerry Lynch (~0.92 confidence) and mother Sadie Lynch (~0.92 confidence) and father Robert Lynch (~0.92 confidence) and mother Annie Lynch (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Thomas Lynch
b. ~1874
Source father
● Household
· direct · ~0.92
Mother
Elizabeth Lynch
b. ~1877
Source mother
● Household
· direct · ~0.92
Father
Jerry Lynch
b. ~1877
Source father
● Household
· direct · ~0.92
Mother
Sadie Lynch
b. ~1879
Source mother
● Household
· direct · ~0.92
Father
Robert Lynch
b. ~1887
Source father
● Household
· direct · ~0.92
Mother
Annie Lynch
b. ~1891
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Joseph Lynch
Son · 1940 · age 28 · b. ~1912 · Massachusetts
★ You are viewing this record
Sibling
John Lynch
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Peter Lynch
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Lynch
Sibling · 1940 · age 17
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 — Middlesex-County, Massachusetts
Open full size
1940 US Federal Census — Middlesex-County, Massachusetts
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01704-00082)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William Grant | 26 | Son | Clerk | Massachusetts |
| 2 | Debora Grant | 24 | Daughter | Twister | Massachusetts |
| 3 | Mary D. Carroll | 78 | Head | — | Massachusetts |
| 4 | William Carroll | 42 | Son | Police Officer | Massachusetts |
| 5 | George Carroll | 34 | Son | Chauffeur | Massachusetts |
| 6 | Michael Caputo | 47 | Head | Carpenter | Italy |
| 7 | Edna Caputo | 30 | Wife | — | Massachusetts |
| 8 | Rose Marie Caputo | 7 | Daughter | — | Massachusetts |
| 9 | Henry Melke | 29 | Head | Slitter Man | Massachusetts |
| 10 | Elva Melke | 25 | Wife | — | Massachusetts |
| 11 | Carol Melke | 1 | Daughter | — | Massachusetts |
| 12 | Elizabeth Woodburn | 39 | Head | Bookkeeper | Massachusetts |
| 13 | Muriel Woodburn | 18 | Daughter | — | Massachusetts |
| 14 | John Kane | 55 | Head | Mail Carrier | Massachusetts |
| 15 | Esther Kane | 44 | Wife | — | Massachusetts |
| 16 | Collett Kane | 20 | Daughter | Salesgirl | Massachusetts |
| 17 | John E. Kane | 19 | Son | Bus Boy | Massachusetts |
| 18 | Althea Kane | 15 | Daughter | — | Massachusetts |
| 19 | Richard F. Kane | 11 | Son | — | Massachusetts |
| 20 | Vincent D. Kane | 9 | Son | — | Massachusetts |
| 21 | Robert Lynch | 53 | Head | Shipper | Canada-English |
| 22 | Annie Lynch | 49 | Wife | — | Canada-English |
| 23 | Joseph Lynch THIS PERSON | 28 | Son | Foreman | Massachusetts |
| 24 | Peter Lynch | 19 | Son | Wrapper | Massachusetts |
| 25 | Robert Jr. Lynch | 17 | Son | — | Massachusetts |
| 26 | John Lynch | 12 | Son | — | Massachusetts |
| 27 | Fortunato Grosa | 22 | Head | Library Clerk | Massachusetts |
| 28 | Edna Grosa | 24 | Wife | — | Massachusetts |
| 29 | Vassilio Bertolaccini | 53 | Head | Clerk | Italy |
| 30 | Bruna Bertolaccini | 50 | Wife | — | Italy |
| 31 | Olga Bertolaccini | 23 | Daughter | — | Massachusetts |
| 32 | James Miraglia | 32 | Head | Presser | Italy |
| 33 | Lillian Miraglia | 27 | Wife | Barber | Massachusetts |
| 34 | Robert Miraglia | 5 | Son | — | Massachusetts |
| 35 | Mary Flanagan | 69 | Head | — | England |
| 36 | William Flanagan | 27 | Son | Laborer | Massachusetts |
| 37 | George Kennedy | 44 | Head | Milkman | Massachusetts |
| 38 | George Jr. Kennedy | 23 | Son | Laborer | Massachusetts |
| 39 | Paul Kennedy | 21 | Son | Milkman | Massachusetts |
Related Census Records
Pedigree Summary
Joseph + 3 siblings
Gen 1 · 6 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)