Clarence Thomas MackAge: 23 years1897–1921
- Name
- Clarence Thomas Mack
 Birth | 22 Jan 1897 30 25 |
| Birth of a brother | Edward Jeremiah Mack 15 Jul 1898 (Age 17 months) |
| Birth of a sister | Rose Ann Mack 12 Mar 1900 (Age 3 years) |
| Birth of a brother | William Mack 12 Apr 1901 (Age 4 years) |
| Death of a paternal grandmother | Catherine Mahoney 03 Jun 1902 (Age 5 years) |
| Birth of a brother | Archibald 'Archie' Mack 08 Jul 1902 (Age 5 years) |
| Birth of a brother | Leo Dennis Mack 27 Mar 1904 (Age 7 years) |
| Birth of a brother | Leonard George Mack 19 Feb 1906 (Age 9 years) |
| Death of a paternal grandfather | Jeremiah 'Jerry' Mack McGillicuddy 18 Jan 1907 (Age 9 years) |
| Birth of a brother | Mary Luella Mack 07 Oct 1908 (Age 11 years) |
| Birth of a sister | Catherine Anastacia Mack 06 Nov 1911 (Age 14 years) |
 Death | 1921 (Age 23 years) |
| Family with parents |
| father |
Dennis Mack Birth: Mar 1866 43 42 — Wisconsin, USA Death: 1932 — Ettrick, Trempealeau, Wisconsin, USA |
| mother |
Katherine Sheehy Birth: May 1871 — Wisconsin, USA Death: 1956 — Wisconsin, USA |
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Marriage: 1896 — |
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7 years younger brother |
Archibald 'Archie' Mack Birth: 08 Jul 1902 36 31 — Wisconsin, USA Death: 15 Apr 1936 |
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9 years younger sister |
Catherine Anastacia Mack Birth: 06 Nov 1911 45 40 — Wisconsin, USA Death: 22 Jan 1968 |
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-15 years himself |
Clarence Thomas Mack Birth: 22 Jan 1897 30 25 — Wisconsin, USA Death: 1921 |
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18 months younger brother |
Edward Jeremiah Mack Birth: 15 Jul 1898 32 27 — Wisconsin, USA Death: 1958 |
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6 years younger brother |
Leo Dennis Mack Birth: 27 Mar 1904 38 32 — Wisconsin, USA Death: 17 Dec 1990 |
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23 months younger brother |
Leonard George Mack Birth: 19 Feb 1906 39 34 — Wisconsin, USA Death: 31 Aug 1963 |
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3 years younger brother |
Mary Luella Mack Birth: 07 Oct 1908 42 37 — Ettrick, Trempealeau, Wisconsin, USA Death: 29 May 1986 — Ettrick, Trempealeau, Wisconsin, USA |
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-9 years younger sister |
Rose Ann Mack Birth: 12 Mar 1900 34 28 — Ettrick, Trempealeau, Wisconsin, USA Death: 1976 |
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13 months younger brother |
William Mack Birth: 12 Apr 1901 35 29 — Wisconsin, USA Death: 1948 |