Difficult to find 'William Jones' in Wales, with no pob

Freebmd - Births registered Dec Q 1877 in Glamorgan (excluding middle names)
JONES William Pontardawe 11a 636
JONES William Llanelly 11a 778
JONES William Swansea 11a 654
JONES William Llanelly 11a 792
JONES William Swansea 11a 655
JONES William Pontardawe 11a 639
Births registered Mar Q 1878 in Glamorgan (excluding middle names)
Jones William Merthyr T. 11a 473
Jones William Pontardawe 11a 601
Jones William Merthyr T. 11a 435
Jones William Bridgend 11a 519
Jones William Newport, M. 11a 216
Jones William Pontypridd 11a 365
Jones William Merthyr T. 11a 413
Jones William Merthyr T. 11a 447
Jones William Pontardawe 11a 587
Jones William Merthyr T. 11a 459
Jones William Merthyr T. 11a 442
Possible going through the 1881 and excluding each one may help narrow down

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