AC
Arthur Carlson — 1930 US Census Record
Model Tree available1930 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this Arthur Carlson across the 1910, 1920 and 1930 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed), with identified parents Axel & Axel — first a son (b.~1904), then head of a 4-person household.
Age 26
b. ~1904
Male
Son
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Middlesex, Massachusetts |
| Surname | Carlson |
| Given Name | Arthur J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Additional Details | |
| Occupation | Accountant |
| Industry | Book Bindery |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Accountant |
| Township / Ward | Waltham City |
| Est. Birth Year | ~1904 |
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 Arthur | Age | Birth yr |
|---|---|---|---|---|
| Axel Carlson | Head | — | 53 | ~1877 |
| Arthur Carlson | Son | — | 26 | ~1904 |
| Ida Carlson | Spouse | — | 48 | ~1882 |
| Alfred Carlson | Son | — | 24 | ~1906 |
Census Appearances
1910
Middlesex, Massachusetts
Son, age 8
Middlesex, Massachusetts · implied b. ~1902 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carlson |
| Given Name | Arthur |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Middlesex, Massachusetts
Son, age 16
Middlesex, Massachusetts · implied b. ~1904 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carlson |
| Given Name | Arthur J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Son, age 26
Middlesex, Massachusetts · implied b. ~1904 — 4 household members
| Surname | Carlson |
| Given Name | Arthur J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Accountant |
| Industry | Book Bindery |
| 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 Arthur Carlson across 3 US Census years (1910, 1920 and 1930) in Middlesex, Massachusetts, using XGBoost record linkage. Identified parents: father Axel Carlson (~0.92 confidence) and father Axel Carlson (~0.92 confidence) and father Gustaf Carlson (~0.92 confidence) and mother Hilda Carlson (~0.92 confidence) and mother Ida Carlson (~0.92 confidence) and mother Lila Carlson (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Axel Carlson
b. ~1877
Source father
● Household
· direct · ~0.92
Father
Axel Carlson
b. ~1877
Source father
● Household
· direct · ~0.92
Father
Gustaf Carlson
b. ~1869
Source father
● Household
· direct · ~0.92
Mother
Hilda Carlson
b. ~1869
Source mother
● Household
· direct · ~0.92
Mother
Ida Carlson
b. ~1882
Source mother
● Household
· direct · ~0.92
Mother
Lila Carlson
b. ~1882
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Arthur Carlson
Son · 1930 · age 26 · b. ~1904 · Massachusetts
★ You are viewing this record
Sibling
Alfred Carlson
Sibling · 1930 · 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
1930 US Federal Census — Middlesex, Massachusetts
Open full size
1930 US Federal Census — Middlesex, Massachusetts
Page Contents
50 people indexed on this census page (ia:1930:massachusettscensus00reel930:0689)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Catharine R. | 48 | Wife | — | Massachusetts |
| 2 | Mary C. | 10 | Daughter | — | Massachusetts |
| 3 | Elizabeth G. | 8 | Daughter | — | Massachusetts |
| 4 | Charles L. | 6 | Son | — | Massachusetts |
| 5 | Lawrence F. White | 30 | Head | Pipe-Fitter | Massachusetts |
| 6 | Elva M. White | 23 | Wife | — | Massachusetts |
| 7 | Lawrence F. Jr. White | 5 | Son | — | Massachusetts |
| 8 | Frederick White | 2 | Son | — | Massachusetts |
| 9 | Mary E. White | 1 | Daughter | — | Massachusetts |
| 10 | Ann F. White | 0 | Daughter | — | Massachusetts |
| 11 | Arral R. Van Wart | 46 | Head | Coml Salesman | Canada-English |
| 12 | Annie G. Van Wart | 41 | Wife | — | Massachusetts |
| 13 | Harold W. Van Wart | 21 | Son | Machinist | Massachusetts |
| 14 | William J. Van Wart | 20 | Son | Truck Driver | Massachusetts |
| 15 | Wallis R. Van Wart | 17 | Son | — | Massachusetts |
| 16 | Roy Van Wart | 16 | Son | — | Massachusetts |
| 17 | Alice N. Van Wart | 11 | Daughter | — | Massachusetts |
| 18 | Hollis C. Memel | 45 | Head | Coml Traveler | Canada-English |
| 19 | Harriet D. Memel | 45 | Wife | — | Vermont |
| 20 | Dorothy V. Memel | 10 | Daughter | — | Massachusetts |
| 21 | Elinor Memel | 5 | Daughter | — | Massachusetts |
| 22 | Walter J. Kleinfelter | 54 | Head | Foreman | Ohio |
| 23 | Edith V. Kleinfelter | 50 | Wife | — | West Virginia |
| 24 | Frank Taylor | 37 | Head | Letter-Carrier | England |
| 25 | Agnes E. Taylor | 28 | Wife | — | Denmark |
| 26 | Irene F. Taylor | 3 | Daughter | — | Massachusetts |
| 27 | Phyllis A. Taylor | 1 | Daughter | — | Massachusetts |
| 28 | Axel Carlson | 53 | Head | Organ-Maker | Sweden |
| 29 | Ida C. Carlson | 48 | Wife | — | Sweden |
| 30 | Arthur J. Carlson THIS PERSON | 26 | Son | Accountant | Massachusetts |
| 31 | Alfred A. Carlson | 24 | Son | Parts Salesman | Massachusetts |
| 32 | George W. Schaffer | 46 | Head | Tool Maker | Connecticut |
| 33 | Daisy Schaffer | 46 | Wife | — | England |
| 34 | Dorothy L. Schaffer | 26 | Daughter | Office Clerk | Massachusetts |
| 35 | Muriel E. Schaffer | 16 | Daughter | — | Massachusetts |
| 36 | Walter L. Miller | 68 | Head | Jewel-Setter | New York |
| 37 | Carrie B. Miller | 67 | Wife | — | Massachusetts |
| 38 | Arthur Sullivan | 56 | Head | Proprietor | Canada-English |
| 39 | Alice K. Sullivan | 51 | Wife | — | Massachusetts |
| 40 | Robert W. Mcenaney | 20 | Step-son | — | Massachusetts |
| 41 | Percy N. Lawrence | 50 | Head | Merchant | Massachusetts |
| 42 | Jennie E. Lawrence | 50 | Wife | — | Massachusetts |
| 43 | Ralph C. Rollins | 49 | Head | Finisher | Massachusetts |
| 44 | Edith E. Rollins | 46 | Wife | — | Massachusetts |
| 45 | Lloyd D. Rollins | 20 | Son | Shipping Clerk | Massachusetts |
| 46 | Dorothy E. Rollins | 8 | Daughter | — | Massachusetts |
| 47 | George W. Brockway | 49 | Head | Proprietor | Massachusetts |
| 48 | Minnie E. Brockway | 50 | Wife | — | Massachusetts |
| 49 | Sarah J. Goodnow | 58 | Head | Undertaker | Maine |
| 50 | Robert R. White | 48 | Roomer | Helper | Massachusetts |
Pedigree Summary
Arthur + 1 sibling
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 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)