Sir William Hillary | |
|---|---|
 Sir William Hillary | |
| Born | 4 January 1771 |
| Died | 5 January 1847 (aged 76) |
| Nationality | English |
| Occupations |
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| Known for | Founder of the Royal National Lifeboat Institution |
| Spouse(s) | Frances Elizabeth Disney Fytche (1st wife) Emma Tobin (2nd wife) |
| Children | 2 |
| Relatives | Mary Rolls (sister) |
Sir William Hillary, 1st Baronet (4 January 1771 – 5 January 1847) was a British militia officer, author and philanthropist, best known as the founder, in 1824, of the Royal National Lifeboat Institution.