There are 25 -lly names for baby boys. Displayed on this page are -lly names 1 to 20. Billy was the most popular among these names in 2008. The name is primarily used in English, and it was followed in popularity by Reilly, which is also used in English. The unusual -lly names are Cally (English and Scottish), Connelly (English), Cully (English), Dolly (Scottish), Donnelly (English), Gilly (English), Holly (English), Kelly (English and Irish), Killy (English), Olly (English), Philly (English), Rally (English), Rolly (English), Shelly (English), Skelly (English), Solly (English and Hebrew), Sully (English), and Tally (English). -lly names are somewhat popular baby names for boys. The names rose in popularity from the 1900s up to the 1930s. At the height of their usage in 1934, 0.920% of baby boys were given -lly names. There were 3 -lly names ranked within the top 1000 baby names then. -lly names have since experienced a steep decline in frequency. In 2008, 2 -lly names listed among the top 1000, with a combined usage of only 0.031%. Within all -lly names, the English Billy was the most commonly used, with a ranking of #564 and a usage of 0.0211%.
Billy  564 | will, desire; helmet, ... largely used in the English language and ... form of William ... a classic favorite ... |
| Cally | the son of Alexander; ... an English and Scottish name of Irish ... variant of Callister ... |
| Connelly | prudent fire ... an English name of Irish Gaelic ... variant of Conley ... a baby boy name of irregular use ... |
| Cully | largely used in the English language and ... variant form of Cullen ... rare as a baby boy name ... |
| Dolly | world ruler, world-mighty ... largely used in the Scottish language ... form of Donald ... |
| Donnelly | dark courage; brave, ... of Celtic origin and it is used ... not often used as a baby boy name ... |
| Gilly | bright pledge ... an English name of Germanic origin ... form of Gilbert ... |
| Holly | like a dove, one who ... used predominantly in the English ... variant of Holleb ... |
Kelly  | church, monastery ... used predominantly in the English and ... first name is from the Irish Gaelic surname ... |
| Killy | war, strife ... an English name of Celtic origin ... variant form of Cillian ... not in the top 1000 names ... |
| Olly | elf warrior; olive tree ... used predominantly in the English ... variant of Oliver ... |
| Philly | lover of horses, friend ... an English name of Old Greek origin ... form of Philip ... |
| Rally | from the deer meadow ... language of origin is Old English and it is ... variant of Raleigh ... |
Reilly  951 | outgoing people; rye ... used chiefly in the English language, ... variant of Riley ... |
| Rolly | famous landowner ... used predominantly in the English ... variant of Roland ... |
Shelly  | plateau, steep valley ... used chiefly in the English language ... variant of Sheldon ... |
| Skelly | a story-teller ... language of origin is Irish Gaelic and it is ... an uncommon baby boy name ... |
| Solly | peace; asked for, prayed ... of Hebrew origin, and it is used mainly ... form of Solomon ... |
| Sully | black-eyed ... of Celtic origin and it is predominantly ... variant form of Sullivan ... |
| Tally | to injure, to oppress; ... an English name of Germanic and Aramaic ... variant of Talman ... |
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