The Bolger Family was a Hobbit family of Fallohidish origin associated with the village of Budgeford, on The Water in the Eastfarthing of the Shire. In common with the Brandybucks and the Tooks, the Bolgers had a penchant for heroic names, and so as well as Fredegar, we find such noble names as Fastolph, Gundabald and Odovacar.
The name Bolger is a reference to the "bulged" size of the average Hobbit belly, referring to their fatness and tubbiness and presumably begun as a nickname.
Both Bolger and Bulger are real-life English surnames although not necessarily of the same etymology.
It was a translation of Westron Bolgra of similar meaning.
Family Tree of the Bolgers of Budgeford
Showing the prominent members of the Bolger clan. The figures after the names are those of birth (and death where that is recorded). A dashed line indicates marriage, or when extended vertically, indicates a line of descent with one or more generations not shown. Names in italics signify those who attended Bilbo's Farewell Party on 22 September S.R. 1401.
- J.R.R. Tolkien, The Lord of the Rings, Appendix F, "On Translation"
- J.R.R. Tolkien, The Lord of the Rings, The Fellowship of the Ring, "A Conspiracy Unmasked"
- J.R.R. Tolkien, "Nomenclature of The Lord of the Rings" in Wayne G. Hammond and Christina Scull (eds), The Lord of the Rings: A Reader's Companion
- J.R.R. Tolkien, The Lord of the Rings, Appendix C, "Bolger of Budgeford"
- J.R.R. Tolkien, Christopher Tolkien (ed.), The Peoples of Middle-earth, "III. The Family Trees", Note 1