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John Mann — 1920 US Census Record
Model Tree available1920 United States Federal Census · Norfolk, Massachusetts
Our Model Tree links this John Mann across the 1920, 1930 and 1940 US Censuses in Norfolk, Massachusetts (XGBoost, ~Confirmed), with identified parents John & Annie — first a son (b.~1906), then head of a 3-person household.
Age 14
b. ~1906
Male
Son
Born: Scotland
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Norfolk, Massachusetts |
| Surname | Mann |
| Given Name | John R |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Scotland |
| Year of Immigration | 1910 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Scotland |
| Mother's Birthplace | England |
| Additional Details | |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | Scotland |
| Year of Naturalization | 1916 |
| Birthplace (normalized) | scotland |
| Township / Ward | Milton Town |
| Est. Birth Year | ~1906 |
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 1920 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Mann | Son | — | 14 | ~1906 |
| Alice Mann | Spouse | — | 39 | ~1881 |
| John Mann | Head | — | 42 | ~1878 |
Census Appearances
1920
Norfolk, Massachusetts
Son, age 14
Norfolk, Massachusetts · implied b. ~1906 — 3 household members
| Surname | Mann |
| Given Name | John R |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Scotland |
| Year of Immigration | 1910 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Scotland |
| Mother's Birthplace | England |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | Scotland |
| Year of Naturalization | 1916 |
| Birthplace (normalized) | scotland |
1930
Norfolk, Massachusetts
Son, age 24
Norfolk, Massachusetts · implied b. ~1906 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Munn |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Scotland |
| Naturalization Status | First papers filed |
| Year of Immigration | 1925 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Plumber Ship |
| Industry | Ship Yard |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1940
Norfolk-County, Massachusetts
Head, age 34
Norfolk-County, Massachusetts · implied b. ~1906 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Munn |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Quincy |
| Naturalization Status | Naturalized |
| Occupation | Marine Plumber |
| Industry | Shipbuilding |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2000 |
| Highest Grade | No 8 |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
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 John Mann across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Munn (~0.92 confidence) and mother Annie Munn (~0.92 confidence) and father John Mann (~0.92 confidence) and mother Alice Mann (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Munn
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Annie Munn
b. ~1877
Source mother
● Household
· direct · ~0.92
Father
John Mann
b. ~1878
Source father
● Household
· direct · ~0.92
Mother
Alice Mann
b. ~1881
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Mann
Son · 1920 · age 14 · b. ~1906 · Massachusetts
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Norfolk, Massachusetts
Open full size
1920 US Federal Census — Norfolk, Massachusetts
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu722unit:0931)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | George F Stohl | 48 | Head | Stair Builder | Australia |
| 52 | Elizabeth Stohl | 44 | Wife | None | Scotland |
| 53 | George Stohl | 16 | Son | Clerk | Massachusetts |
| 54 | Grace Stohl | 12 | Daughter | None | Massachusetts |
| 55 | Alice A Pratt | 10 | Boarder | None | Maine |
| 56 | Edward Sullivan | 56 | Head | Clerk | Massachusetts |
| 57 | Lillian Sullivan | 25 | Wife | None | Canada |
| 58 | Francis Sullivan | 4 | Son | None | Massachusetts |
| 59 | William Sullivan | 2 | Son | None | Massachusetts |
| 60 | Margaret Sullivan | 1 | Daughter | None | Massachusetts |
| 61 | William Sullivan | 62 | Father | Laborer | Ireland |
| 62 | George H Fanner | 52 | Head | Foreman | Massachusetts |
| 63 | Edith Fanner | 42 | Wife | None | Connecticut |
| 64 | Hazel Fanner | 20 | Daughter | Clerk | Massachusetts |
| 65 | George S Fanner | 14 | Son | None | Massachusetts |
| 66 | Gladys Fanner | 11 | Daughter | None | Massachusetts |
| 67 | Francis J Barry | 42 | Head | None | Ireland |
| 68 | Alice A Barry | 21 | Daughter | Operator | Massachusetts |
| 69 | John W Barry | 20 | Son | Shipper | Massachusetts |
| 70 | Raymond Barry | 17 | Son | Stock Boy | Massachusetts |
| 71 | Mildred Barry | 12 | Daughter | None | Massachusetts |
| 72 | Robert Barry | 11 | Son | None | Massachusetts |
| 73 | Eileen Barry | 10 | Daughter | None | Massachusetts |
| 74 | John E Murphy | 31 | Son in law | Timekeeper | Ireland |
| 75 | Anna M Murphy | 22 | Daughter | None | Massachusetts |
| 76 | Mary Murphy | 1 | Granddaughter | None | Massachusetts |
| 77 | William Johnstone | 63 | Head | Laborer | New Hampshire |
| 78 | Lucy A Johnstone | 73 | Wife | None | Massachusetts |
| 79 | Walter L Geddes | 36 | Daughter | None | Massachusetts |
| 80 | Frank M Geddes | 12 | Grandson | None | Canada |
| 81 | Marion Geddes | 8 | Granddaughter | None | Canada |
| 82 | Bruce M Geddes | 5 | Grandson | None | Canada |
| 83 | Thelma A Geddes | 4 | Granddaughter | None | New Hampshire |
| 84 | Emma Johnson | 50 | Sister | Servant | New Hampshire |
| 85 | John Bryden | 69 | Head | Crossing Tender | Scotland |
| 86 | Mary Bryden | 64 | Wife | None | Scotland |
| 87 | Isabel E Bryden | 16 | Grandson | Stock Boy | Massachusetts |
| 88 | George Nixon | 46 | Head | Bolter | Ireland |
| 89 | Ellen Nixon | 36 | Wife | None | England |
| 90 | Joseph S Crocker | 26 | Head | Accountant | Massachusetts |
| 91 | Margaret Crocker | 24 | Wife | None | Massachusetts |
| 92 | Dorothy Crocker | 4 | Daughter | None | Massachusetts |
| 93 | Priscilla Crocker | 2 | Daughter | None | Massachusetts |
| 94 | Oscar Peterson | 36 | Head | Machinist | Sweden |
| 95 | Gerda Peterson | 35 | Wife | None | Sweden |
| 96 | Edith Peterson | 10 | Daughter | None | Massachusetts |
| 97 | John R Mann | 42 | Head | Joiner | Scotland |
| 98 | Alice M Mann | 39 | Wife | None | England |
| 99 | John R Mann THIS PERSON | 14 | Son | None | Scotland |
| 100 | Charles J Walton | 48 | Head | Machinist | Scotland |
Pedigree Summary
John
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 1920 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)