Jack has held the top spot every bar one since 2007, while there were 452 girls named Emily.
50 years ago, parents of baby boys opted for John, Patrick, Michael, James and Thomas.
While those who had a girl, went for Mary, Catherine, Margaret, Ann and Elizabeth.
Times are changing and names are changing too, and Carol Anne Hennessy from the CSO outlines the top choices in 2019:
Jack has retained the top spot as the most popular baby boys name in 2019, a position it has held since 2007 except for 2016.
There were 452 girls named Emily last year.
In The Midlands the most popular boys names were Jack and Conor in Westmeath, James, Jack, Conor and Daniel in Offaly and Jack In Laois.
For girls Grace is the most popular girls name in Westmeath and Laois while Anna is the top girls name in Offaly.
Doireann and Méabh have broken into the top 100 names for girls, while Odhrán and Joey were new entrants for boys in 2019.
Less popular names for boys include Teidí, Saul and Dexter, while the less popular girls' names included Féile, Kyrah and Constance.
Heritage Council Launches Community Heritage Grant Scheme
New Midlands Seed Library To Open Next Month
Contracts Signed For Redevelopment Midlands Courthouse
‘String And Hope’ Transit Van Seized In Laois
Westmeath Hotelier Elected 41st President Of Irish Hotels Federation
Offaly's Oldest Man Taking Centre Stage For St Patrick’s Day
Search Operation In Murder Probes Ends
Oireachtas Infrastructure Chair Questions ESRI On Pension Pressures
Further Five Reviews Into Portiuncula Maternity Care Due In March
Offaly Town Project Enters Next Phase
Laois TD Urges HSE To Take Over Nursing Home
€10m Funding Under EU Just Transition Fund For Midlands Bioeconomy
Construction Progresses At Site Of Former Laois Factory
Offaly TD Slams Costs Of 'Latte Levy'
Westmeath School's Enoch Burke Legal Costs Referred To Adjudicator
Public Consultation On Shannon Pipeline Closes
Midlanders Living In US Describe Impact Of Historic New York Blizzard
Planning Appeal Rejected For 38 Westmeath Apartments
Laois Senator Adds To Government Criticism On Backtracked SNA Cuts
Midlands County launches Affordable Homes Purchase Scheme