Their journey to Dublin began with a train to Fishguard, followed by a ferry to Rosslare.
They are in Crymych, Clarbeston, Milford Haven, Clynderwen, Goodwick and Fishguard, Newport, Narberth and Haverfordwest.
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But there are now mounting fears for the jobs of 300 people at the company's Fishguard factory.
The search for a new Jemima took place at the Royal Oak pub in Fishguard on Wednesday night.
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Pembrokeshire was badly affected with areas hit including Crymych, Clarbeston, Milford Haven, Clynderwen, Goodwick, Fishguard, Newport, Narberth and Haverfordwest.
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Dewhirst's two other factories in Cardigan and Fishguard, which employ around 250 workers, will not be affected by the announcement.
Dyfed-Powys police officers boarded the ferry when it docked at Fishguard ferry port to question passengers and crew about the incident.
Passengers hoping to travel on the early Friday morning sailing from Fishguard were also disappointed when they were asked to rebook.
The decision should provide a boost to the main shopping centres of Fishguard, Haverfordwest, Milford Haven, Narberth, Pembroke, Pembroke Dock, and Tenby.
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By September last year, around 900 people had lost their jobs after the firm's factories in Swansea, Cardigan and Fishguard ceased production.
The Fishguard-bound ferry turned around on Sunday when the emergency was reported and coastguards from Dublin and Swansea launched a major rescue operation.
Speaking before Ms Scarr's appointment, Fishguard and Goodwick town council said there was "huge support" for their efforts to find a new Jemima Nicholas.
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The man fell overboard from the Stena Line ferry Koningin Beatrix which sails between Rosslare in the Irish Republic and Fishguard in west Wales.
An assembly government spokesperson said plans to improve train services to Fishguard and north Pembrokeshire were included in a report submitted to it last week.
County councillor Lyn Jenkins in Solva said she had driven back from Fishguard in the worst conditions on the road she had seen in 43 years.
Stena Line had earlier cancelled its 0315GMT sailing on Friday from Fishguard, west Wales, to Rosslare, but was still undecided whether the 1430GMT sailing would go ahead.
Irish Ferries' sailings from south west Wales between Pembroke and Rosslare have been cancelled for Friday, while Stena Line said its afternoon sailing from Fishguard was looking unlikely.
The charity conducts monthly surveys from the Stena Europe ferry, and on Wednesday morning, about 10 miles off the Irish coast heading towards Fishguard, they spotted the superpod.
The North Pembrokeshire Transport Forum said five or more shuttle services a day between Carmarthen and Fishguard were among the top rail priorities in the regional transport plan submitted to the assembly government.
About 1, 000 workers lost their jobs at the ITV Digital call centre in Pembroke Dock while almost 1, 000 people are being laid off by the Dewhirst clothing company at their factories in Swansea, Cardigan and Fishguard.
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