Kiribati

masc. proper name, from Old French Guillebert (from Old High German Williberht, literally "a bright will") or Old French Gilebert, from Gisilbert, literally "a bright pledge," from Old High German gisil "pledge," a Celtic loan-word (compare Old Irish giall "pledge") + beorht "bright" (from PIE root *bhereg- "to shine; bright, white."). It was the common name for a male cat (especially in short form Gib) from c. 1400 (see Tom). As a unit of magneto-motive force, it honors English physicist William Gilbert (1544-1603). For the Gilbert Islands, see Kiribati.

surname, from marshal (n.). The city in Texas, U.S., was named in 1841 for U.S. Supreme Court Chief Justice John Marshall (1755-1835). The Marshall Plan, "U.S. assistance to aid certain Western European nations recovering from World War II," is from 1947, named for its initiator, George C. Marshall (1880-1959), who was U.S. Secretary of State 1947-49. The Marshall Islands in the western Pacific were explored in 1788 by British naval captains John Marshall (1748-1819) and Thomas Gilbert, and named for the former (for the latter, see Kiribati). Related: Marshallese.