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Carl Nelson — 1930 US Census Record
Model Tree available1930 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this Carl Nelson across the 1910, 1920 and 1930 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed), with identified parents Elizabeth & Hilda — first a son (b.~1907), then head of a 6-person household.
Age 23
b. ~1907
Male
Son
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Middlesex, Massachusetts |
| Surname | Nelson |
| Given Name | Carl |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Additional Details | |
| Occupation | Bookkeeper |
| Industry | Office |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Bookkeeper |
| Township / Ward | Cambridge City |
| Est. Birth Year | ~1907 |
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 1930 census.
| Name | Relation to head | Relative to Carl | Age | Birth yr |
|---|---|---|---|---|
| Eleanor Ferola | Daughter | — | 6 | ~1924 |
| Alvera Ferola | Daughter | — | 30 | ~1900 |
| Hilda Nelson | Head | — | 59 | ~1871 |
| Michael Ferola | Other | — | 33 | ~1897 |
| Carl Nelson | Son | — | 23 | ~1907 |
| Francis Ferola | Son | — | 9 | ~1921 |
Census Appearances
1910
Middlesex, Massachusetts
Son, age 3
Middlesex, Massachusetts · implied b. ~1907 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Carl A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Middlesex, Massachusetts
Son, age 12
Middlesex, Massachusetts · implied b. ~1908 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Carl |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Son, age 23
Middlesex, Massachusetts · implied b. ~1907 — 6 household members
| Surname | Nelson |
| Given Name | Carl |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Bookkeeper |
| Industry | Office |
| Class of Worker | W |
| Can Read/Write | Yes |
| 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 Carl Nelson across 3 US Census years (1910, 1920 and 1930) in Middlesex, Massachusetts, using XGBoost record linkage. Identified parents: mother Elizabeth Nelson (~0.92 confidence) and mother Hilda Nelson (~0.92 confidence) and mother Hilda Nelson (~0.92 confidence) and father Carl Nelson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Elizabeth Nelson
b. ~1870
Source mother
● Household
· direct · ~0.92
Mother
Hilda Nelson
b. ~1871
Source mother
● Household
· direct · ~0.92
Mother
Hilda Nelson
b. ~1874
Source mother
● Household
· direct · ~0.92
Father
Carl Nelson
b. ~1875
Source father
● Household
· direct · ~0.92
This person
Anchor record
Carl Nelson
Son · 1930 · age 23 · b. ~1907 · Massachusetts
★ You are viewing this record
Sibling
Alvera Ferola
Sibling · 1930 · age 30
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Ferola
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eleanor Ferola
Sibling · 1930 · age 6
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 — Middlesex, Massachusetts
Open full size
1930 US Federal Census — Middlesex, Massachusetts
Page Contents
46 people indexed on this census page (ia:1930:massachusettscensus00reel915:0695)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | James Davis | 23 | Son | Porter | Massachusetts |
| 2 | Susan Brown | 27 | Daughter | Day Worker | Massachusetts |
| 3 | Florence Brown | 27 | Lodger | — | Massachusetts |
| 4 | Josephine Maynard | 53 | Lodger | Day Worker | Massachusetts |
| 5 | James Maynard | 19 | Lodger | Teamster | Massachusetts |
| 6 | Chauncy Shelburne | 70 | Head | — | No. Carolina |
| 7 | Ella Shelburne | 60 | Wife | — | No. Carolina |
| 8 | James Shelburne | 30 | Son | Longshoreman | No. Carolina |
| 9 | Arthur Shelburne | 28 | Son | Longshoreman | Massachusetts |
| 10 | Irene Shelburne | 21 | Daughter | Domestic | Massachusetts |
| 11 | Wm Russell Eaton | 30 | Head | Salesman | Massachusetts |
| 12 | Ida Eaton | 32 | Wife | — | Canada Eng |
| 13 | Doris Eaton | 3 | Daughter | — | Massachusetts |
| 14 | Wm J. Jr. Eaton | 1 | Son | — | Massachusetts |
| 15 | Buddy Eaton | 0 | Son | — | Massachusetts |
| 16 | Ida Powell | 52 | Head | Forelady | Canada Eng |
| 17 | Earle Powell | 21 | Son | Salesman | Canada Eng |
| 18 | Irene Noble | 27 | Daughter | — | Canada Eng |
| 19 | Warren Noble | 10 | Son | — | Illinois |
| 20 | Norma Noble | 9 | Daughter | — | Canada Eng |
| 21 | Ruth Noble | 7 | Daughter | — | Massachusetts |
| 22 | Peter Jesingis | 55 | Head | Trimmer | Lithuania |
| 23 | Patricia Jesingis | 50 | Wife | — | Lithuania |
| 24 | Patricia Jesingis | 19 | Daughter | — | Massachusetts |
| 25 | Anthony Jesingis | 17 | Son | — | Massachusetts |
| 26 | Peter Riemer | 5 | Grandson | — | Massachusetts |
| 27 | Hilda Nelson | 59 | Head | Day Work | Sweden |
| 28 | Alvera Ferola | 30 | Daughter | — | Massachusetts |
| 29 | Michael Ferola | 33 | Son-in-law | Shipper | Massachusetts |
| 30 | Francis Ferola | 9 | Son | — | Massachusetts |
| 31 | Eleanor Ferola | 6 | Daughter | — | Massachusetts |
| 32 | Carl Nelson THIS PERSON | 23 | Son | Bookkeeper | Massachusetts |
| 33 | John H. Walsh | 34 | Head | Stock Clerk | Massachusetts |
| 34 | Esther Walsh | 33 | Wife | — | Massachusetts |
| 35 | Joan Walsh | 6 | Daughter | — | Massachusetts |
| 36 | Edward J. Walsh | 2 | Son | — | Massachusetts |
| 37 | Adolphus Leanitto | 27 | Head | Chauffeur | Massachusetts |
| 38 | Helen Leanitto | 26 | Wife | — | Massachusetts |
| 39 | Jakubowski Leanitto | 7 | Son | — | Massachusetts |
| 40 | Marion Leanitto | 2 | Daughter | — | Massachusetts |
| 41 | Major St. Peter | 38 | Head | Boxmaker | Maine |
| 42 | H. Aurora St. Peter | 12 | Sister | — | Maine |
| 44 | John Bianchi | 38 | Head | Owner Of Foods | Italy |
| 45 | Annie Bianchi | 27 | Wife | — | Italy |
| 46 | Edmond Bianchi | 5 | Son | — | Massachusetts |
| 47 | Mary Bianchi | 2 | Daughter | — | Massachusetts |
Pedigree Summary
Carl + 3 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 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)