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William Irwin — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Caroline, Maryland
Our Model Tree links this William Irwin across the 1920 and 1930 US Censuses in Caroline, Maryland (XGBoost, ~Confirmed) — first a head (b.~1891), then head of a 8-person household.
Age 39
b. ~1891
Male
Head
Born: Maryland
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Caroline, Maryland |
| Surname | Irwin |
| Given Name | William J. |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 23 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Occupation | agent |
| Industry | Life Insurance |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 3000 |
| Radio Set | R |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Agent |
| Township / Ward | Denton Town |
| Est. Birth Year | ~1891 |
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.
8 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Nelson Irwin | Son | — | 9 | ~1921 |
| Powers Irwin | Other | — | 21 | ~1909 |
| William Irwin | Head | — | 39 | ~1891 |
| Inez Irwin | Spouse | — | 34 | ~1896 |
| Norman Irwin | Son | — | 11 | ~1919 |
| William Irwin | Other | — | 65 | ~1865 |
| William Irwin | Son | — | 15 | ~1915 |
| Robert Irwin | Son | — | 12 | ~1918 |
Census Appearances
1920
Caroline, Maryland
Head, age 28
Caroline, Maryland · implied b. ~1892 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Irwin |
| Given Name | William G. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Agent |
| Industry | R. R. Station |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Caroline, Maryland
Head, age 39
Caroline, Maryland · implied b. ~1891 — 8 household members
| Surname | Irwin |
| Given Name | William J. |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 23 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | agent |
| Industry | Life Insurance |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 3000 |
| Radio Set | R |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
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 William Irwin across 2 US Census years (1920 and 1930) in Caroline, Maryland, using XGBoost record linkage.
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This person
Anchor record
William Irwin
Head · 1930 · age 39 · b. ~1891 · Maryland
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Caroline, Maryland
Open full size
1930 US Federal Census — Caroline, Maryland
Page Contents
50 people indexed on this census page (ia:1930:15thcensus871unit:0921)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Myra Druce | 51 | wife | None | Maryland |
| 52 | Theodore Druce | 23 | son | Bookkeeper | Maryland |
| 53 | Frances Druce | 21 | daughter | Nurse | Maryland |
| 54 | Russell Druce | 18 | son | None | Maryland |
| 55 | Mary Druce | 14 | daughter | None | Maryland |
| 56 | Roslyn Druce | 12 | son | None | Maryland |
| 57 | C. Shannon York | 57 | head | None | Maryland |
| 58 | Alice York | 45 | wife | None | New Jersey |
| 59 | D. Frank Cole | 73 | father-in-law | None | New Jersey |
| 60 | Albert Goodie | 35 | head | Preacher | North Carolina |
| 61 | Mabel Goodie | 35 | wife | None | North Carolina |
| 62 | Fred Goodie | 13 | son | None | North Carolina |
| 63 | Doris Goodie | 11 | daughter | None | North Carolina |
| 64 | Frances Goodie | 7 | daughter | None | North Carolina |
| 65 | Jennie Porterfield | 49 | head | None | Maryland |
| 66 | Elizabeth Porterfield | 29 | daughter | None | Maryland |
| 67 | Charlotte L. Porterfield | 12 | daughter | None | Maryland |
| 68 | Dora Short | 68 | head | None | Maryland |
| 69 | June Short | 25 | daughter | Saleslady | Maryland |
| 70 | Leland Short | 35 | head | Salesman | Maryland |
| 71 | Ivy Short | 32 | wife | None | Maryland |
| 72 | Dale Short | 6 | daughter | None | Maryland |
| 73 | J. Edward Wyatt | 61 | head | None | Maryland |
| 74 | Jennie Wyatt | 55 | sister | None | Maryland |
| 75 | Christ P. Hollinger | 64 | head | Laborer | Pennsylvania |
| 76 | Elizabeth Hollinger | 64 | wife | None | Pennsylvania |
| 77 | Monroe Rouse | 46 | head | Manager | Maryland |
| 78 | Ella Rouse | 15 | daughter | None | Maryland |
| 79 | Mabel Duffey | 47 | head | None | Maryland |
| 80 | Linden Duffey | 22 | son | Teacher | Maryland |
| 81 | Alvert Duffey | 21 | son | None | Maryland |
| 82 | James Duffey | 17 | son | None | Maryland |
| 83 | James Temple | 57 | head | Auctioneer | Maryland |
| 84 | Linnie May Temple | 34 | wife | None | Maryland |
| 85 | James J. Temple | 14 | son | None | Maryland |
| 86 | Charlotte Temple | 13 | daughter | None | Maryland |
| 87 | Jean Temple | 10 | daughter | None | Maryland |
| 88 | Laura Parker | 72 | mother-in-law | None | Delaware |
| 89 | William J. Irwin THIS PERSON | 39 | head | Agent | Maryland |
| 90 | Inez Irwin | 34 | wife | None | Virginia |
| 91 | William Irwin | 15 | son | None | Maryland |
| 92 | Robert Irwin | 12 | son | None | Maryland |
| 93 | Norman Irwin | 11 | son | None | Delaware |
| 94 | Nelson Irwin | 9 | son | None | Maryland |
| 95 | William Sr. Irwin | 65 | father | Carpenter | Maryland |
| 96 | Powers Irwin | 21 | brother | Salesman | Maryland |
| 97 | Irwood Andrew | 26 | head | Agent | Maryland |
| 98 | Elizabeth H. Andrew | 23 | wife | None | Maryland |
| 99 | Harry J. Pickering | 27 | head | Truck Driver | New York |
| 100 | Pearl Pickering | 22 | wife | None | Virginia |
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)