FS
Francis Sullivan — 1940 US Census Record
Model Tree available1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this Francis Sullivan across the 1910, 1920, 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Anne & Charles — first a son (b.~1905), then head of a 3-person household.
Age 35
b. ~1905
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Sullivan |
| Given Name | Francis H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Dorchester |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Occupation | Salesman |
| Industry | Petroleum Co. |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 900 |
| Highest Grade | H-4 |
| 1935 Residence | Mass |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Salesman |
| Township / Ward | Boston |
| Est. Birth Year | ~1905 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Francis | Age | Birth yr |
|---|---|---|---|---|
| Howard Sullivan | Son | — | 33 | ~1907 |
| Francis Sullivan | Son | — | 35 | ~1905 |
| Anne Sullivan | Head | — | 63 | ~1877 |
Census Appearances
1910
Suffolk, Massachusetts
Son, age 3
Suffolk, Massachusetts · implied b. ~1907 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Francis |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Suffolk, Massachusetts
Other, age 13
Suffolk, Massachusetts · implied b. ~1907 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Francis |
| Relationship to Head | Step-son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Suffolk, Massachusetts
Other, age 25
Suffolk, Massachusetts · implied b. ~1905 — 14 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Francis |
| Relationship to Head | Lodger |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Salesman |
| Industry | Meat |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Son, age 35
Suffolk-County, Massachusetts · implied b. ~1905 — 3 household members
| Surname | Sullivan |
| Given Name | Francis H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Dorchester |
| 1935 Residence (County) | Suffolk |
| Occupation | Salesman |
| Industry | Petroleum Co. |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 900 |
| Highest Grade | H-4 |
| 1935 Residence | Mass |
| 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 Francis Sullivan across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Anne Sullivan (~0.92 confidence) and father Charles Sullivan (~0.92 confidence) and mother Catherine Sullivan (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Anne Sullivan
b. ~1877
Source mother
● Household
· direct · ~0.92
Father
Charles Sullivan
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Catherine Sullivan
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Francis Sullivan
Son · 1940 · age 35 · b. ~1905 · Massachusetts
★ You are viewing this record
Sibling
Howard Sullivan
Sibling · 1940 · age 33
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-t0627-01675-00158)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | James L. Jones | 22 | Son | Stock Boy | Mass |
| 2 | Robert F. Jones | 20 | Son | Chauffeur | Mass |
| 3 | Jeremiah Mahoney | 68 | Head | Shipper | Ireland |
| 4 | Katherine Mahoney | 67 | Wife | — | Mass |
| 5 | Mary A. Mahoney | 45 | Daughter | Dress Maker | Mass |
| 6 | Ellen Mahoney | 38 | Daughter | Salesgirl | Mass |
| 7 | John Mahoney | 37 | Son | Laborer | Mass |
| 8 | Marion Rae Mahoney | 31 | Daughter | Clerk | Mass |
| 9 | Gertrude Mahoney | 27 | Daughter | Stenographer | Mass |
| 10 | Katherine Haggerty | 72 | Sister | — | Mass |
| 11 | Herbert E. Stevens | 69 | Head | Police Officer | Mass |
| 12 | Lillian Stevens | 64 | Wife | — | Mass |
| 13 | Charles Warren Stevens | 35 | Son | Salesman | Mass |
| 14 | Leona Stevens | 36 | Wife | — | Mass |
| 15 | Bertha Ingersoll | 63 | Sister | — | Mass |
| 16 | Charles Jr. Stevens | 10 | Son | — | Florida |
| 17 | Priscilla E. Stevens | 6 | Son | — | Mass |
| 18 | Edith P. Kaye | 76 | Head | — | Nova Scotia |
| 19 | Lorne W. Kaye | 45 | Son | District Manager | Mass |
| 20 | Jesse M. Kaye | 43 | Wife | — | Mass |
| 21 | Ellen Mcdonald | 76 | Head | — | Ireland |
| 22 | Margaret Mcdonald | 73 | Sister | — | Ireland |
| 23 | Elizabeth Mcdonald | 65 | Sister | — | Ireland |
| 24 | Joseph P. Brooke | 65 | Head | Salesman | Ontario, Canada |
| 25 | Emma F. Brooke | 46 | Wife | — | Newfoundland |
| 26 | Michael Keighley | 38 | Head | Bar Tender | Ireland |
| 27 | Mary A. Keighley | 32 | Wife | — | Ireland |
| 28 | John Murphy | 45 | Head | Medical Clerk | Ireland |
| 29 | Mary Murphy | 35 | Wife | — | Mass |
| 30 | Mary E. Murphy | 8 | Daughter | — | Mass |
| 31 | Ann Murphy | 3 | Daughter | — | Mass |
| 32 | Mary E. Murphy | 82 | Mother | — | Mass |
| 33 | Katherine Cullen | 54 | Maid | Maid | England |
| 34 | Maybell Hunter | 39 | Cook | Cook | Mass |
| 35 | Ellen V. Byrne | 55 | Head | — | Mass |
| 36 | Ellen R. Byrne | 29 | Daughter | Stenographer | Mass |
| 37 | Thomas F. Byrne | 23 | Son | Clerk | Mass |
| 38 | Anne G. Sullivan | 63 | Head | — | Mass |
| 39 | Francis H. Sullivan THIS PERSON | 35 | Son | Salesman | Massachusetts |
| 40 | Howard P. Sullivan | 33 | Son | Laborer | Massachusetts |
Pedigree Summary
Francis + 1 sibling
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)