TR
Thomas Ryan — 1940 US Census Record
Model Tree available1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this Thomas Ryan across the 1920, 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Mary & John — first a son (b.~1911), then head of a 6-person household.
Age 29
b. ~1911
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Ryan |
| Given Name | Thomas G |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Occupation | Laborer |
| Industry | Navy Yard |
| Class of Worker | PW |
| Hours Worked | 40 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Laborer |
| Township / Ward | Boston |
| 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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Thomas | Age | Birth yr |
|---|---|---|---|---|
| Catherine Ryan | Daughter | — | 31 | ~1909 |
| Loretta Ryan | Daughter | — | 23 | ~1917 |
| Thomas Ryan | Head | — | 65 | ~1875 |
| John Ryan | Son | — | 15 | ~1925 |
| Thomas Ryan | Son | — | 29 | ~1911 |
| Catherine Ryan | Spouse | — | 57 | ~1883 |
Census Appearances
1920
Suffolk, Massachusetts
Son, age 9
Suffolk, Massachusetts · implied b. ~1911 — 15 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ryan |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Suffolk, Massachusetts
Son, age 18
Suffolk, Massachusetts · implied b. ~1912 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ryan |
| Given Name | Thomas W. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Messenger |
| Industry | Navy yard |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | No |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Son, age 29
Suffolk-County, Massachusetts · implied b. ~1911 — 6 household members
| Surname | Ryan |
| Given Name | Thomas G |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Occupation | Laborer |
| Industry | Navy Yard |
| Class of Worker | PW |
| Hours Worked | 40 |
| 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 Ryan across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Mary Ryan (~0.92 confidence) and father John Ryan (~0.92 confidence) and father Patrick Ryan (~0.92 confidence) and father Thomas Ryan (~0.92 confidence) and mother Julia Ryan (~0.92 confidence) and mother Catherine Ryan (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Mary Ryan
b. ~1871
Source mother
● Household
· direct · ~0.92
Father
John Ryan
b. ~1874
Source father
● Household
· direct · ~0.92
Father
Patrick Ryan
b. ~1874
Source father
● Household
· direct · ~0.92
Father
Thomas Ryan
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Julia Ryan
b. ~1875
Source mother
● Household
· direct · ~0.92
Mother
Catherine Ryan
b. ~1883
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thomas Ryan
Son · 1940 · age 29 · b. ~1911 · Massachusetts
★ You are viewing this record
Sibling
Catherine Ryan
Sibling · 1940 · age 31
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Loretta Ryan
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Ryan
Sibling · 1940 · age 15
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 — Suffolk-County, Massachusetts
Open full size
1940 US Federal Census — Suffolk-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01665-00062)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Helen F Mahoney | 29 | Daughter | Bookkeeper | Massachusetts |
| 42 | Anna Mahoney | 27 | Daughter | Secretary | Massachusetts |
| 43 | Theresa Mahoney | 26 | Daughter | Bookkeeper | Massachusetts |
| 44 | Dennis Mahoney | 20 | Son | Painter | Massachusetts |
| 45 | James Cummings | 55 | Head | Salesman | Massachusetts |
| 46 | Mary E Cummings | 48 | Wife | — | Massachusetts |
| 47 | John F Barry | 77 | Head | Janitor | Massachusetts |
| 48 | Frances F Barry | 62 | Wife | — | Massachusetts |
| 49 | Thomas Ryan | 65 | Head | Wood Finisher | Eire |
| 50 | Catherine Ryan | 57 | Wife | — | Massachusetts |
| 51 | Catherine M Ryan | 31 | Daughter | Stenographer | Massachusetts |
| 52 | Thomas G Ryan THIS PERSON | 29 | Son | Laborer | Massachusetts |
| 53 | Loretta F Ryan | 23 | Daughter | Stenographer | Massachusetts |
| 54 | John W Ryan | 15 | Son | — | Massachusetts |
| 55 | Henry Ludkin | 53 | Head | Machinist | England |
| 56 | Phyllis Ludkin | 44 | Wife | — | England |
| 57 | Margaret Ludkin | 24 | Daughter | Artist | England |
| 58 | — | None | — | — | — |
| 59 | Daniel J Corcoran | 50 | Head | Chauffeur | Massachusetts |
| 60 | Mary E Corcoran | 45 | Wife | — | Massachusetts |
| 61 | Mary Conly | 68 | Mother in law | — | Eire |
| 62 | Margaret Higgins | 41 | Sister in law | Salesgirl | Massachusetts |
| 63 | Agnes W Shea | 38 | Head | Secretary | Massachusetts |
| 64 | Margaret Shea | 70 | Mother | — | Eire |
| 65 | Walter Shea | 32 | Son | Clerk | Massachusetts |
| 66 | Joseph Shea | 26 | Son | Clerk | Massachusetts |
| 67 | Cornelius Curtin | 44 | Head | Clerk | Massachusetts |
| 68 | Ronald Curtin | 5 | Nephew | — | Massachusetts |
| 69 | John Graham | 50 | Head | Custodian | Eire |
| 70 | Julia Graham | 50 | Wife | — | Eire |
| 71 | John J Graham | 22 | Son | Clerk | Massachusetts |
| 72 | Thomas O'Connor | 44 | Head | Lawyer | Massachusetts |
| 73 | Margaret E O'Connor | 42 | Wife | — | Virginia |
| 74 | Thomas Jr O'Connor | 19 | Son | Clerk | Massachusetts |
| 75 | Margaret M O'Connor | 17 | Daughter | — | Massachusetts |
| 76 | Virginia O'Connor | 13 | Daughter | — | Massachusetts |
| 77 | Mary Lou O'Connor | 9 | Daughter | — | Massachusetts |
| 78 | Cosmos Lazar | 55 | Head | Restaurant Mgr. | Albania |
| 79 | Tania Lazar | 48 | Wife | — | Albania |
| 80 | William Skudris | 39 | Head | Manager | Massachusetts |
Pedigree Summary
Thomas + 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)