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Thomas Lyons — 1940 US Census Record
Model Tree available1940 United States Federal Census · Essex-County, Massachusetts
Our Model Tree links this Thomas Lyons across the 1920, 1930 and 1940 US Censuses in Essex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Richard & Mary — first a son (b.~1919), then head of a 6-person household.
Age 21
b. ~1919
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Essex-County, Massachusetts |
| Surname | Lyons |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Lawrence City |
| 1935 Residence (County) | ESSEX |
| Additional Details | |
| Occupation | Comber |
| Industry | Woolen Mill |
| Class of Worker | PW |
| Hours Worked | 5 |
| Income (1939) | 350 |
| Highest Grade | H 4 |
| 1935 Residence | Same Place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Comber |
| Township / Ward | Lawrence City |
| Est. Birth Year | ~1919 |
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 Thomas | Age | Birth yr |
|---|---|---|---|---|
| Thomas Lyons | Son | — | 21 | ~1919 |
| Catherine Lyons | Daughter | — | 29 | ~1911 |
| Joan Lyons | Son | — | 24 | ~1916 |
| Agnes Lyons | Daughter | — | 16 | ~1924 |
| Mary Lyons | Spouse | — | 50 | ~1890 |
| Richard Lyons | Head | — | 52 | ~1888 |
Census Appearances
1920
Essex, Massachusetts
Son, age 1
Essex, Massachusetts · implied b. ~1919 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lyons |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Essex, Massachusetts
Son, age 11
Essex, Massachusetts · implied b. ~1919 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lyons |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Essex-County, Massachusetts
Son, age 21
Essex-County, Massachusetts · implied b. ~1919 — 6 household members
| Surname | Lyons |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Lawrence City |
| 1935 Residence (County) | ESSEX |
| Occupation | Comber |
| Industry | Woolen Mill |
| Class of Worker | PW |
| Hours Worked | 5 |
| Income (1939) | 350 |
| Highest Grade | H 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 Thomas Lyons across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Richard Lyons (~0.92 confidence) and mother Mary Lyons (~0.92 confidence) and mother Mary Lyons (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Richard Lyons
b. ~1888
Source father
● Household
· direct · ~0.92
Mother
Mary Lyons
b. ~1890
Source mother
● Household
· direct · ~0.92
Mother
Mary Lyons
b. ~1890
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thomas Lyons
Son · 1940 · age 21 · b. ~1919 · Massachusetts
★ You are viewing this record
Sibling
Catherine Lyons
Sibling · 1940 · age 29
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Agnes Lyons
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joan Lyons
Sibling · 1940 · age 24
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-t0627-01582-00680)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mary Kavanagh | 7 | Daughter | — | Massachusetts |
| 42 | Thomas Kavanagh | 4 | Son | — | Massachusetts |
| 43 | Helen Kavanagh | 2 | Daughter | — | Massachusetts |
| 44 | John Cotter | 35 | Roomer | Shoeworker | Massachusetts |
| 45 | Helen Cotter | 34 | Roomer | Mender | Massachusetts |
| 46 | Anne Connors | 67 | Head | — | Irish Free St |
| 47 | Elizabeth Connors | 37 | Daughter | Mender | Massachusetts |
| 48 | John W. Connors | 36 | Son | — | Massachusetts |
| 49 | Robert Motyka | 52 | Head | Weaver | Poland |
| 50 | Mary Motyka | 50 | Wife | Weaver | Poland |
| 51 | Eugene W. Motyka | 26 | Son | The Laster | Massachusetts |
| 52 | Napoleon Lanclais | 42 | Head | Sheet Metal | Massachusetts |
| 53 | Sarah Lanclais | 41 | Wife | Burler | Massachusetts |
| 54 | Mary Daley | 55 | Aunt In-Law | Houseworker | Massachusetts |
| 55 | Peter Kurgan | 33 | Head | Cloth Winder | Massachusetts |
| 56 | Mary Kurgan | 29 | Wife | — | Massachusetts |
| 57 | Peter Jr. Kurgan | 9 | Son | — | Massachusetts |
| 58 | William R. Kurgan | 7 | Son | — | Massachusetts |
| 59 | Mary Ann Kurgan | 1 | Daughter | — | Massachusetts |
| 60 | Edward Kurgan | 31 | Brother | Percher | Massachusetts |
| 61 | Felix Viti | 58 | Head | Operative | Italy |
| 62 | Erichetta Viti | 30 | Daughter | Gill Boxer | Massachusetts |
| 63 | Vincenza Viti | 23 | Daughter | Celluloid Coverer | Massachusetts |
| 64 | Tillie Viti | 21 | Daughter | Cementer | Massachusetts |
| 65 | Albert Viti | 20 | Son | Clerk | Massachusetts |
| 66 | Eva Viti | 17 | Daughter | Cementer | Massachusetts |
| 67 | Esther Viti | 16 | Daughter | Cementer | Massachusetts |
| 68 | Charlie Chin | 56 | Head | Laundryman | China |
| 69 | Richard Lyons | 52 | Head | Janitor | England |
| 70 | Mary Lyons | 50 | Wife | — | England |
| 71 | Catherine Lyons | 29 | Daughter | Clerk | Massachusetts |
| 72 | Joan Lyons | 24 | Son | Operative | Massachusetts |
| 73 | Thomas Lyons THIS PERSON | 21 | Son | Comber | Massachusetts |
| 74 | Agnes Lyons | 16 | Daughter | — | Massachusetts |
| 75 | Esther Whetstone | 41 | Head | Jackspooler | Massachusetts |
| 76 | Dalton Wendell Whetstone | 23 | Brother | Carder | Massachusetts |
| 77 | Samuel Dalton | 66 | Father | — | England |
| 78 | Mary Dalton | 65 | Mother | — | Massachusetts |
| 79 | George F. Doyle | 61 | Head | Machinist Blacksmith | Massachusetts |
| 80 | Mary Doyle | 58 | Wife | — | Vermont |
Pedigree Summary
Thomas + 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)