MC
Mary Connor — 1930 US Census Record
Model Tree available1930 United States Federal Census · Suffolk, Massachusetts
Our Model Tree links this Mary Connor across the 1920, 1930 and 1940 US Censuses in Suffolk, Massachusetts (XGBoost, ~Confirmed), with identified parents John & Ellen — first a daughter (b.~1899), then head of a 4-person household.
Age 31
b. ~1899
Female
Daughter
Born: Mass
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Suffolk, Massachusetts |
| Surname | Connor |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Mass |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | Clerk |
| Industry | State House |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | mass |
| Occupation | Clerk |
| Township / Ward | City Of Boston |
| Est. Birth Year | ~1899 |
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.
4 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Connor | Daughter | — | 31 | ~1899 |
| John Connor | Head | — | 72 | ~1858 |
| John Connor | Son | — | 36 | ~1894 |
| Ellen Connor | Spouse | — | 71 | ~1859 |
Census Appearances
1920
Suffolk, Massachusetts
Daughter, age 23
Suffolk, Massachusetts · implied b. ~1897 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Connors |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Mass |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Saleslady |
| Industry | Factory |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | mass |
1930
Suffolk, Massachusetts
Daughter, age 31
Suffolk, Massachusetts · implied b. ~1899 — 4 household members
| Surname | Connor |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Mass |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Clerk |
| Industry | State House |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | mass |
1940
Suffolk-County, Massachusetts
Spouse, age 41
Suffolk-County, Massachusetts · implied b. ~1899 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Connors |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Mass |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | mass |
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 Mary Connor across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Connor (~0.92 confidence) and mother Ellen Connor (~0.92 confidence) and mother Mary Connors (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Connor
b. ~1858
Source father
● Household
· direct · ~0.92
Mother
Ellen Connor
b. ~1859
Source mother
● Household
· direct · ~0.92
Mother
Mary Connors
b. ~1867
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Connor
Daughter · 1930 · age 31 · b. ~1899 · Massachusetts
★ You are viewing this record
Sibling
John Connor
Sibling · 1930 · age 36
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
1930 US Federal Census — Suffolk, Massachusetts
Open full size
1930 US Federal Census — Suffolk, Massachusetts
Page Contents
49 people indexed on this census page (ia:1930:massachusettscensus00reel954:0078)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Fred Reed | 40 | Head | Clerk | Mass |
| 52 | Emily Reed | 14 | Daughter | Counterlady | Mass |
| 53 | Emily Reed | 38 | — | — | Mass |
| 54 | Richard Doyle | 35 | Head | Clerk | Mass |
| 55 | Alice Doyle | 35 | Wife | Saleslady | Mass |
| 56 | Almar Swanson | 35 | Head | Builder | Sweden |
| 57 | Almar Swanson | 37 | Wife | — | Sweden |
| 58 | Ruth Swanson | 15 | Daughter | — | Mass |
| 59 | Linnea Swanson | 13 | Daughter | — | Mass |
| 60 | Arnold Swanson | 10 | Son | — | Mass |
| 61 | Andrew Anderson | 33 | Boarder | Carpenter | Sweden |
| 62 | Guy Day | 45 | Head | Manager | Maine |
| 63 | Alice Day | 48 | Wife | — | Maine |
| 64 | Thomas Day | 20 | Son | Clerk | Maine |
| 65 | Thelma Day | 23 | Daughter | — | Mass |
| 66 | Minnie Day | 0 | — | — | Mass |
| 67 | Paul Rasmussen | 41 | Head | Painter | Denmark |
| 68 | Inger Rasmussen | 42 | Wife | — | Denmark |
| 69 | Ingrid Rasmussen | 15 | Daughter | — | Denmark |
| 70 | Knud Rasmussen | 23 | Brother | Seaman | Denmark |
| 71 | Andrew Graham | 46 | Head | Machinist | Ireland |
| 72 | Sadie Graham | 44 | Wife | — | Ireland |
| 73 | Margaret Graham | 23 | Daughter | Clerk | Mass |
| 74 | John Graham | 14 | Son | — | Rhode Island |
| 75 | Mary Mccarthy | 25 | Roomer | Clerk | Ireland |
| 76 | John Emanuelsson | 45 | Head | Mechanic | Sweden |
| 77 | Catherine Emanuelsson | 43 | Wife | — | Sweden |
| 78 | Nils Emanuelsson | 12 | Daughter | Clerk | Mass |
| 79 | Ethel Emanuelsson | 10 | Daughter | Secretary | Mass |
| 80 | Arthur Emanuelsson | 8 | Son | Handyman | Mass |
| 81 | Clara Emanuelsson | 25 | — | — | Mass |
| 82 | Robert Emanuelsson | 2 | Son | — | Mass |
| 83 | Harold Leavitt | 58 | Head | Pressman | Maine |
| 84 | Alice Leavitt | 54 | Wife | — | Maine |
| 85 | Henry Murray | 48 | Head | Druggist | Mass |
| 86 | Thelma Murray | 43 | Wife | — | Mass |
| 87 | Muriel Murray | 23 | Daughter | Teacher | Mass |
| 89 | Alexander Silverman | 44 | Head | Carpenter | Canada |
| 90 | Margaret Silverman | 32 | Wife | — | Mass |
| 91 | John Silverman | 8 | Son | — | Mass |
| 92 | Frances Silverman | 6 | Daughter | — | Mass |
| 93 | Joseph Silverman | 4 | Son | — | Mass |
| 94 | John Connor | 72 | Head | Master | Ireland |
| 95 | Ellen Connor | 71 | Wife | — | Ireland |
| 96 | John Connor | 36 | Son | Druggist | Mass |
| 97 | Mary Connor THIS PERSON | 31 | Daughter | Clerk | Mass |
| 98 | Peter Rogers | 34 | Head | Proprietor | Mass |
| 99 | Katherine Rogers | 44 | Wife | — | Mass |
| 100 | Peter Rogers | 4 | Son | — | Mass |
Pedigree Summary
Mary + 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 1930 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)