DR
Daniel Ryan — 1940 US Census Record
Model Tree available1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this Daniel Ryan across the 1920, 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Patrick & Patrick — first a son (b.~1911), then head of a 8-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 | Daniel J |
| 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 | Inspector |
| Industry | Gasoline Co |
| Class of Worker | PW |
| Hours Worked | 24 |
| Income (1939) | 840 |
| Highest Grade | C 3 |
| 1935 Residence | Same house |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Inspector |
| 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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Daniel | Age | Birth yr |
|---|---|---|---|---|
| William Ryan | Son | — | 25 | ~1915 |
| Alice Ryan | Daughter | — | 21 | ~1919 |
| John Ryan | Son | — | 31 | ~1909 |
| Louise Ryan | Daughter | — | 30 | ~1910 |
| Julia Ryan | Spouse | — | 65 | ~1875 |
| Eugene Ryan | Son | — | 24 | ~1916 |
| Daniel Ryan | Son | — | 29 | ~1911 |
| Patrick Ryan | Head | — | 65 | ~1875 |
Census Appearances
1920
Suffolk, Massachusetts
Son, age 9
Suffolk, Massachusetts · implied b. ~1911 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ryan |
| Given Name | Dennis |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Suffolk, Massachusetts
Son, age 19
Suffolk, Massachusetts · implied b. ~1911 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ryan |
| Given Name | Daniel J. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Agent |
| Industry | Advertising |
| 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 — 8 household members
| Surname | Ryan |
| Given Name | Daniel J |
| 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 | Inspector |
| Industry | Gasoline Co |
| Class of Worker | PW |
| Hours Worked | 24 |
| Income (1939) | 840 |
| Highest Grade | C 3 |
| 1935 Residence | Same house |
| 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 Daniel Ryan across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Patrick Ryan (~0.92 confidence) and father Patrick Ryan (~0.92 confidence) and mother Julia Ryan (~0.92 confidence) and mother Mary Ryan (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Patrick Ryan
b. ~1874
Source father
● Household
· direct · ~0.92
Father
Patrick Ryan
b. ~1876
Source father
● Household
· direct · ~0.92
Mother
Julia Ryan
b. ~1875
Source mother
● Household
· direct · ~0.92
Mother
Mary Ryan
b. ~1877
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Daniel Ryan
Son · 1940 · age 29 · b. ~1911 · Massachusetts
★ You are viewing this record
Sibling
John Ryan
Sibling · 1940 · age 31
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Ryan
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Ryan
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Louise Ryan
Sibling · 1940 · age 30
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eugene Ryan
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 — 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-t0627-01665-00407)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | James A Griffin | 44 | Lodger | — | Massachusetts |
| 42 | Mark Lundberg | 34 | Lodger | Mail Man | Massachusetts |
| 43 | Joseph Gates | 32 | Head | Chauffeur | Massachusetts |
| 44 | Anna R Gates | 32 | Wife | — | Massachusetts |
| 45 | Jean Gates | 8 | Daughter | — | Massachusetts |
| 46 | Francis Gates | 3 | Son | — | Massachusetts |
| 47 | Robert Gates | 1 | Son | — | Massachusetts |
| 48 | Francis Cavanaugh | 39 | Head | Chauffeur | Newfoundland |
| 49 | Catherine Cavanaugh | 39 | Wife | — | Newfoundland |
| 50 | Leah Maher | 72 | Mother in law | — | Newfoundland |
| 51 | Barbara Maher | 31 | Sister in law | Summoner | Newfoundland |
| 52 | Martin J Kane | 62 | Head | Grinder | Ireland |
| 53 | Catherine A Kane | 58 | Wife | — | Ireland |
| 54 | Helen Kane | 25 | Daughter | Clerk | Massachusetts |
| 55 | Katherine Kane | 23 | Daughter | Waitress | Massachusetts |
| 56 | Michael Kane | 21 | Son | Drug Clerk | Massachusetts |
| 57 | James J Tracy | 75 | Head | — | Ireland |
| 58 | Mary Tracy | 48 | Daughter | Bookkeeper | Massachusetts |
| 59 | Barbara A Tracy | 43 | Daughter | — | Massachusetts |
| 60 | George Tracy | 38 | Son | Roofer | Massachusetts |
| 61 | Anna Tracy | 30 | Daughter | Musician | Massachusetts |
| 62 | Patrick J Ryan | 65 | Head | Foreman | Ireland |
| 63 | Julia M Ryan | 65 | Wife | — | Ireland |
| 64 | John L Ryan | 31 | Son | Civil Engineer | Massachusetts |
| 65 | Louise M Ryan | 30 | Daughter | Bookkeeper | Massachusetts |
| 66 | Daniel J Ryan THIS PERSON | 29 | Son | Inspector | Massachusetts |
| 67 | William H Ryan | 25 | Son | Laborer | Massachusetts |
| 68 | Eugene E Ryan | 24 | Son | Constructor | Massachusetts |
| 69 | Alice C Ryan | 21 | Daughter | Stenographer | Massachusetts |
| 70 | Edward Legue | 38 | Head | Driver | Nova Scotia |
| 71 | Effie A Legue | 35 | Wife | — | Nova Scotia |
| 72 | Lorraine Legue | 15 | Daughter | — | Maine |
| 73 | Chellier Legue | None | William | 0 | No 8 |
| 74 | Patrick H Sumner | 42 | Head | Postal Clerk | Massachusetts |
| 75 | Hattie E Sumner | 40 | Wife | — | Nova Scotia |
| 76 | John Sumner | 18 | Son | — | Massachusetts |
| 77 | Carl Sumner | 17 | Son | — | Massachusetts |
| 78 | James Sumner | 16 | Son | — | Massachusetts |
| 79 | Lawrence Sumner | 13 | Son | — | Massachusetts |
| 80 | Herbert Sumner | 11 | Son | — | Massachusetts |
Related Census Records
Pedigree Summary
Daniel + 5 siblings
Gen 1 · 4 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)